Constant

Buy Constant Current Automatic Voltage Regulator 5A Step Up Step Down Module Boost Buck DC 6-35V for R230.77

This digital pocket scale is built solid to ensure its 0.01g/0.001oz/0.2gn/0.05ct accuracy when weighing up to 100g. Product features Measures in 0.01g increments up to 100g Small & portable Uses AAA batteries (one set included) Tare function (zero out scale) Calibration function

Module parameters: Scope: High-power LED constant current driver, rechargeable lithium batteries (including ferroelectric), 4V, 6V, 12V, 14V, 24V battery charging, nickel-cadmium nickel-metal hydride batteries (battery) charging, solar panels, wind generators Input voltage: 7-40V Output voltage: continuously adjustable (1.25-35V) (applied to the input voltage is higher than the output voltage applications can boost) Output Current: 8A, 10A maximum time within the (power tube temperature exceeds 65 degrees, please add cooling fan, 24V 12V 5A turn within generally be used at room temperature without a fan) Constant Range: 0.3-10A (adjustable) module over 65 degrees, please add fan. Turn lights Current: current value * (0.1), turn the lamp current and constant value linkage, such as constant value of 3A, turn the lamp current is set to a constant current of 0.1 times (0.1 x 3A = 0.3A), when the constant 2A, when adjusted to the current value, then turn the lamp current constant current of 0.1 times (0.1 x 2A = 0.2A). This version is a fixed 0.1 times (actually turn the lamp current value is probably not very accurate) is full of instructions for charging. Minimum pressure: 1V Conversion efficiency: up to about 95% (output voltage, the higher the efficiency) Operating frequency: 300KHZ Output Ripple: about the ripple 50mV (without noise) 20M bandwidth (for reference) Input 24V Output 12V 5A measured Operating temperature: Industrial grade (-40 ??to + 85 ?? (please note the actual use of the power tube temperature, the temperature is too high, please enhance heat dissipation) No-load current: Typical 20mA (24V switch 12V) Load regulation: ± 1% (constant) Voltage Regulation: ± 1% Constant accuracy and temperature: the actual test, the module temperature changes from 25 degrees to 60 degrees, the change is less than 5% of the current value (current value 5A) Dynamic response speed: 5% 200uS Potentiometer adjustment direction: clockwise (increase), counterclockwise (decrease) Indicator: color indicator, charging indicator light red, fully charged light green (no load is green) Output short circuit protection: Yes, constant current (constant current setting values) Input reverse polarity protection: None, Output anti-anti-perfusion: no, for charging the battery needs additional two diodes! Connection: Terminals Package included: 3 x DC-DC Step Down Adjustable Power Supply Module

LED Driver Charging Constant Current Voltage Step Down Buck Module Feature: This module uses the LM2596 chip, high efficiency (up to 92%), low heat, can be very easily used to above 3A current, in conjunction with the original TI op amp control output current, so the overall output is very stable. This module uses the original Sanyo low ESR filter capacitor, you can make low ripple voltage to 50mV! This module uses machine placement, reflow soldering. This module is an adjustable buck module, the module can be adjusted from the blue adjustable resistor to change the output voltage. Input and output differential pressure is 2V, the minimum can be output 1.23V. Module indicated IN - (negative input), IN + (positive input), OUT - (negative output), OUT + (positive output), please note must be correct connected, otherwise may cause damage to the module. Description: Nature of the module: Non-isolated step-down module Rectification: Non-synchronous rectification Input voltage: 7V - 35V Output voltage: 1.25V - 30V Output current: Adjustable, 3A (maximum) Transfer efficiency: 92% (maximum) Switching frequency: 150KHz output ripple: 50mV (maximum) 20M Kbps Load regulation: ±0.5% Voltage regulation: ±2.5% Operating temperature: -40°C to +85°C Dimension: 48 x 23 x 14mm (L x W x H) Battery charging method: 1. Make sure the battery float voltage and charging current, the module input voltage; 2. Adjustment constant potentiometer, the output voltage is adjusted to about 5V. 3. Use the multimeter (10A current) measuring the output short-circuit current, meanwhile adjust the constant current potentiometer make the output current reaches a predetermined charge current value; 4. Turn lamp current default is 0.1 times charging current (constant current value), if you need to adjust please adjust the turn lamp current potentiometer; (generally doesn't need adjustment) 5. Adjustment constant potentiometer allows the output voltage reaches the float voltage; 6. Connected to the battery and try to charge. (1,2,3,4,5 steps are for the module input connected to the power supply, output-load battery is not connected.) LED constant current driver using method: 1. Make sure that the drive LED operating current and maximum working voltage; 2. Adjustment constant potentiometer, output voltage adjusted to about 5V. 3. Use the multimeter (10A current) measuring the output short-circuit current, meanwhile adjusting the constant current potentiometer allows the output current reaches a predetermined LED working current; 4. Adjustment constant potentiometer allows the output voltage reaches the maximum operating voltage LED; 5. Connect LED, test machine. (1,2,3,4 steps are module input connect to the power supply, output-load is not connected LED lights.) Package included: 1 x Buck module

RUIDENG DPS5015 Communication Constant Voltage Current Step-down Digital Power Supply Module General Information:The constant voltage and constant current programmable control power supply module put the collection of analog integration and digital control functions in one. Its adjustable output voltage range is 0-50.00V, step by 0.01V. Its adjustable output current range is 0-15.00A, step by 0.01A. This module has power-down stored function and can store 10 groups preset value. And it also has the function of extracting quickly two groups stored value. Compared with the traditional analog power supply, it is more convenient to quickly extract the voltage or current required. LCD display on the module has the function digital voltmeter and ammeter. You can view the preset voltage, input voltage, output voltage, the preset current, output current, output power, etc. on the output state remind area, you can see that output opens or not, the state of constant voltage and constant current, output is normal or not, the key is locked or not, and the current data groups that is being used. On the setting data interface, you can adjust overvoltage value, overcurrent value, over-power value, data set and LCD brightness. This module has many advantages, small size, advanced function, good visual effect, high operability, high-precision, being used independently, being inset into the device and been widely applied.DPS5015 host computer information download address:httpss://www.mediafire.com/folder/3iogirsx1s0vp/DPS_communication_upper_computerTechnical parameters:Input voltage range: 6.00-60.00V Output voltage range: 0V-50.00VOutput current: 0-15.00A Output power range: 0-750W Product Weight: about 222g Display module size: 79*43*41(mm) (L*W*H)Open size: 71mm*39mm Power module size: 93*71*41(mm) (L*W*H) Length of connecting line: 200mm Fixed hole center distance: 86mm, 64mmOutput voltage resolution: 0.01V Output current resolution: 0.01A Output Voltage accuracy: ﾱ (0.5% 1 digit) Output Current accuracy: ﾱ (0.5% 2 digits)NOTE: 1.You must make sure that the input voltage is 1.1 times higher than output voltage. Under large current circumstances, pay attention to heat elimination.2. Connection between display part and power part should be according to the corresponding words. Otherwise it will not work by wrong connection Connection description:IN: Input positive IN-: Input negative:OUT: Output positive: OUT-: Output negativeNote: Input voltage range is DC 6-60V and 60v is the limit voltage; please leave a room to use. Or else it will be burnt. The input must be DC power supply, not AC 220V, or else it will be burnt too. Though this module has reverse connection protection and output short circuit protection, you can muse be in strict accordance with connection description to connect. If you connect the supply power with output, the module will be burnt.Panel description:1-Voltage setting/Page up to choose/Shortcut extract M1 data group2-Data setting/ Extract value of the specified data group/Store value into the specified data group3-Current setting/Page Down to choose/Shortcut extract M2 data group4-1.44 inch color LCD screen5-Coding potentiometer/Data adjustment/Lock all buttons6-Open or close outputDisplay interface description:7-The preset value of output voltage8- The actual value of output voltage9-The actual value of output current10-The actual value of output power11-The actual value of input voltage12-The preset value of output current13-Key lock or unlock prompt14-Output normal or not prompt15-Constant voltage and constant current status prompt 16-Data set prompt17-Open or close output prompt18-Preset output voltage19-Preset output current20-Preset over- voltage21-Preset over-current22-Preset over-power23-Preset screen brightness24-Preset data set25-The actual value of output voltage and output currentOperating instructions:When connect the power supply, the screen shows welcome window firstly and then comes into main interface. On the main interface, the output set voltage value and the output set current value is on the top of the screen. The big font value on the left are the current real output voltage, the current real output current and the current real output power. Input voltage is on the bottom of the screen. There are some running status icons on the right of the screen, key lock icon, abnormal output status icon, constant voltage and constant current icon, data set tip icon and opening or closing output icon.Set the output voltage and output current on the main interface. Press V/?key shortly, you can enter into voltage setting status. Then press the coding potentiometer, and then enter to adjust the numerical value. Press coding potentiometer to enter into the status of adjusting the numerical value you want to adjust. Turn coding potentiometer to adjust the numerical value. Turn by clockwise rotation to increase the numerical value; Turn by counterclockwise to decrease the numerical value. If you want to exit adjusting the numerical value, press shortly V/?. In the same time the preset value will be stored. Or you can do nothing in one minute, the status will be automatically existed and the preset will be stored too. You can press A/?to set the output current by the same way.Set the data on the data setting interface On the main interface, you can press SET key shortly to enter into data setting interface. On the data setting interface, press shortly V/?or A/? to page up or page down to U-SET or I-SET, and then set the output voltage and output current by same way used in the main interface.Set the protection value. Page up or page down to S-OVP, S-OCP or S-OPP place to set over-voltage value, over-current value and over-power value correspondingly; when the value is up to the setting value, output will be closed. And then press shortly the coding potentiometer to enter into the status of adjusting the numerical value you want to adjust. Turn coding potentiometer to adjust the numerical value. If you want to exit adjusting the numerical value, press shortly SET key.Adjust the brightness of screen. Page up or page down to B-LED, and then press shortly the coding potentiometer to enter into the status of adjusting the brightness of screen. Turn coding potentiometer to adjust the numerical value you need. If you want to exit adjusting the numerical value, press shortly SET key. There are six brightness levels of LCD screen, 0-5 level. Rank 0 is the darkest; rank 5 is the brightest. You can choose what you like. Data setting and store the specified data group. Page up or page down to M-PRE, and then press shortly the coding potentiometer to enter into the status of choosing the data groups. Turn coding potentiometer to choose the da

Specifications: Input: IN + input positive, IN- input negative Output way: OUT + output positive, OUT- output negative Input voltage: 4-38V Output voltage: 1.25-36V continuously adjustable Output current: adjustable, maximum 5A Output Power: 75W maximum Working temperature: -40 to + 85 ??br />Operating frequency: 180KHz Conversion efficiency: up to 96% Short circuit protection: Yes (limit current 8A) Overtemperature protection: (automatically shut off the output after overtemperature) Input reverse polarity protection: None, (if necessary, please enter the string into the high current diode) Installation: four 3mm screws Module dimensions: 51 x 26 x 15mm (L x W x H) Features: 1. High power, high efficiency, 5A, low ripple; 2. Triple: (1) Use as a normal blood pressure modules with overcurrent protection capability; (2) As the various voltage lithium batteries, batteries, nickel-cadmium nickel-metal hydride batteries (battery) charger for solar panels, wind turbines and other occasions; (3) Used as a high-power LED constant current drive module; 3. With constant pressure and constant current modes, there are light indicates which mode is currently in module; 4. When used as a lithium battery charger, you can set the float voltage and the charge current size, there is light indicates is being charged or has been filled; 5. Has the current limit protection, output short circuit even if it will not burn module. 6. This module uses machine placement, reflow soldering, and each module shipments have been two hours before the aging tests to ensure high reliability. Note: When you use this product, the module inputs and outputs to the ground and do not co-together, this will cause the board power current sense resistor is bypassed, so that the module can not adjust the output current size, the case then load easy to burn power chip module. Package included: 5 x 5A constant current constant voltage LED driver module

B3606 NC Digital DC-DC Step Down Buck Module Constant Voltage Current Feature: 1. Uses advanced microprocessor, can precisely regulate the output voltage and current 2. With memory save function, can store 10 groups parameters, and can freely store, recall 3. Fully digital display, easy to use 4. Has a constant voltage, constant current status 5. Uses four high-brightness LED, can display the output voltage, current, power and capacity and other parameters in real time 6. Auto / manual switch display voltage, current, power, capacity and other parameters 7. Has an output (OUT), constant voltage (CV), constant current (CC) indicator, you can view real-time working status 8. You can set whether to automatically output after power 9. Can be a key to save the current values you set Parameter: Module Properties: Non-isolated step-down (BUCK) Input voltage: 6V-40V Output current: 0-6A Output voltage: 0-36V Conversion efficiency: up to 92% Operating frequency: 150KHz Short circuit protection: Constant Operating temperature: -40 ° C to + 85 ° C Control: Digital control + Digital display Voltage regulator / Display resolution: 0.01V Power display minimum resolution: 0.001W Current regulation / Display resolution: 0.001A Capacity display minimum resolution: 0.001AH Output ripple: ≤50mV Weight: 116g Dimensions: 80 x 66 x 33 mm Note: No input reverse polarity protection, if you need please add install diode. Properly connected input and output, non-reverse, reverse will burn the module. This module is a step-down module, input is higher than output 1.5V or more. Output under 5A just need natural cooling, output 5A above shall enhance heat dissipation. Manual download: Package included: 1 x B3606 CNC Digital DC-DC Step Down Module

D3806 NC DC Constant Current Power Supply Step Down Module Voltage Ammeter Instruction: Click to open Introduce: This module has two operating modes: simple mode and full function. The factory setting is the simple mode, if you need to use the full functionality, you can open it. Feature: 1, Can precisely regulated output voltage and current 2, Support either buck voltage and boost voltage 3, All-digital display, easy to use 4, With a constant voltage, constant current 5, Using 4 high brightness LED, can display the output voltage, current, power and capacity and other parameters in real time 6, Automatic / manual switching display voltage, current, power, capacity and other parameters 7, Having an output-OUT, constant voltage-CV, constant current-CC indicator, you can view real-time working status 8, You can set whether to automatically output after power-on 9, Can be one key to save the current set of voltage and current value 10, With memory storage function, can store 10 groups of parameters, and can free memory, recall 11, Boost mode input current up to 8A, so if the output voltage is higher than a lot of input, output current at this time may not be able to reach 6A, specific calculation examples, see below: Example: The input current up to 8A, when the input voltage is 24V, the input power is 192W; Output power = input power * conversion efficiency = 192W * 0.85 = 163W, if the output voltage is set at 38V, by the maximum input current limit, the maximum output current can reach about 4.289A, and continuously adjustable. Item Parameter Module type Non-isolated buck module Input voltage 10V-40V Output current 0-6A Output voltage 0-38V Conversion efficiency Up to 92% Operating frequency 150KHz Short circuit protection Constant current Operating temperature -40°C to + 85°C Control method Digital control + digital display Voltage regulator / Display resolution 0.01V Minimum power display resolution 0.001W Current regulation / Display resolution 0.001A Minimum capacity display resolution 0.001AH Output ripple ≤50mV Weight 116g Dimensions 100 x 80 x 21mm (L x W x H) Package includes: 1 x Step Down Module (The test tools does not includes)

D3806 NC DC Constant Current Power Supply Step Down Module Voltage Ammeter Introduce: This module has two operating modes: simple mode and full function. The factory setting is the simple mode, if you need to use the full functionality, you can open it. Feature: 1, Can precisely regulated output voltage and current 2, Support either buck voltage and boost voltage 3, All-digital display, easy to use 4, With a constant voltage, constant current 5, Using 4 high brightness LED, can display the output voltage, current, power and capacity and other parameters in real time 6, Automatic / manual switching display voltage, current, power, capacity and other parameters 7, Having an output-OUT, constant voltage-CV, constant current-CC indicator, you can view real-time working status 8, You can set whether to automatically output after power-on 9, Can be one key to save the current set of voltage and current value 10, With memory storage function, can store 10 groups of parameters, and can free memory, recall 11, Boost mode input current up to 8A, so if the output voltage is higher than a lot of input, output current at this time may not be able to reach 6A, specific calculation examples, see below: Example: The input current up to 8A, when the input voltage is 24V, the input power is 192W; Output power = input power * conversion efficiency = 192W * 0.85 = 163W, if the output voltage is set at 38V, by the maximum input current limit, the maximum output current can reach about 4.289A, and continuously adjustable. Item Parameter Module type Non-isolated buck module Input voltage 10V-40V Output current 0-6A Output voltage 0-38V Conversion efficiency Up to 92% Operating frequency 150KHz Short circuit protection Constant current Operating temperature -40°C to + 85°C Control method Digital control + digital display Voltage regulator / Display resolution 0.01V Minimum power display resolution 0.001W Current regulation / Display resolution 0.001A Minimum capacity display resolution 0.001AH Output ripple ≤50mV Weight 116g Dimensions 100 x 80 x 21mm (L x W x H) Package includes: 1 x Step Down Module (The test tools does not includes)

Optional: Type 1: CNC power supply version Type 2: CNC power supply Modbus version Feature: Input voltage: 6V-32V Output voltage: 0-32V continuously adjustable (can only be used as step-down module, the input must be greater than the output 1V or more) Output current: Adjustable, the maximum 5A (if temperature over 60 degrees, please strengthen the cooling, there are reserved fan installation location and terminal blocks!) Output power: Up to 160W (recommended in the use of 120W, large pressure difference, please reduce the power) Operating temperature: -10 to +75 degrees (Note the use of power tube temperature, exceed the temperature please strengthen the cooling, there are reserved fan installation location and terminal) Resolution accuracy: Voltage 0.01V, Current 0.01A Conversion efficiency: up to 95% Short circuit protection: Yes, constant current the current setting of constant current value Input Anti-Reversed: Yes Output reverse flow: None, for charging please add a diode! Wiring method: Terminal VI + for the input positive, VO + for the output positive Module size: 79mm x 43mm x 46mm (L*W*H) Hole size: 76mm x 39mm (L*W) Weight: 75g Package includes: 1 x Adjustable CNC Step-down Power Supply Setting description: Output voltage setting: short press "CV" key, enter the voltage setting mode, turn the potentiometer to adjust the current voltage, press the potentiometer can switch to adjust voltage value, after adjust short press CV "key to save and exit. Output current setting: short press "CV" key, enter the current setting mode, turn the potentiometer to adjust the current value, press the potentiometer can switch to adjust voltage value, after adjust short press CV "key to save and exit. (note that when constant current, indicator will be turned to red, constant current adjustable current, the actual load output current must be greater than the set current to the constant current mode, otherwise is working as constant voltage state.) Display mode setting: short press "MODE" to switch the display mode, IN is the input voltage, OUT is the output voltage Switch output setting: directly short press the potentiometer key, can open or close the output voltage, turn off the current position display OFF words Modbus address setting (Type 2): short press "SET" key, enter the address setting mode -Id, the default is 1, turn the potentiometer to adjust the current address, range is 1-255, after adjustment and then press the "SET" key to save and exit, you can also set the address through the host computer software.

Module parameters: Input voltage: 6V-32V Output voltage: 1.5-32V continuously adjustable (can only be used step-down module, the input must be greater than the output 1.5V or more) Output current: adjustable, the maximum 5A (recommended in the use of 4.5A, when exceed 3A or 35W the best to strengthen the cooling! Suggest using a small fan at the input terminal! Constant current requires an output voltage of 2V or more to be adjusted, the current regulation, only in the constant current state will work, constant current is mainly directly used to the low resistance battery charge or LED working current limit and other use, please make sure about this before you order it. Output power: up to 75W (recommended in the use of 50W, if uses large pressure difference, please reduce the power) Operating temperature: -20 to +70 degrees (pay attention to the power tube temperature, when exceed please strengthen the cooling) Operating frequency: 180KHz Conversion efficiency: up to 96% Short circuit protection: Yes, constant current Current set constant current value Over-temperature protection: Yes (over-temperature automatically turn off the output) Input reverse protection: Yes Output reverse flow: None, for charging please add a diode! Installation: 8pcs pillars, 8pcs 3mm screws Wiring method: wiring terminal or soldering terminal, VIN for the input, VOUT for the output Module size: 65.6mm x 40mm x 25mm (L*W*H) Weight: 77g Calibration method: The module has a calibration function, don't worry about measuring inaccurate problems, if you find the measurment is not inaccurate you can use the following methods calibration. Just need to calibration once for the first time! Voltage calibration: In the case of power down, press and hold the "SET" button, power on, enter the voltage calibration mode, the LCD screen starts to flash, release the set button, press the "Set" key to add, "OK" to reduce, calibrate correct input voltage, such as: the input voltage is 12.65V, then adjust the current voltage to 12.65V, after 2 seconds it automatic save, power off and exit to complete the calibration! Current calibration: For no-load current display, or current is too large! In the case of power off, press and hold the "OK" button, power on, enter the current calibration mode, the LCD screen starts to flash, release the "OK" button, press the "Set" button to add, "OK" button to reduce, calibrate correct current, such as: no load display 0.02A, then adjust to 0.00A, after 2 seconds it automatic save, power off and exit to complete the calibration! Special Note: Some customers feedback that the output voltage can not be adjusted, this is due to the factory default voltage is 20V. When you encounter this problem, please counterclockwise rotation ADJ-V potentiometer 10 laps above, until the voltage value changes, and then the module can be normal adjustment of the voltage. Note: USB output voltage and the module output voltage needs to be consistent, when the USB indicator does not light, means USB has no output, when the USB light is set, it is not fixed 5V output, when charging USB device please make sure the voltage is 5V, if higher than 5.5V screen will flash, it will be reminded to adjust the voltage, otherwise it may damage your device, USB output power is turned off by default, to ensure that mistakenly plug USB will not damage the device. Setting Description: Setting key can be set to four kinds of display mode: 1. F-0 mode: display output voltage; 2. F-1 mode: display input voltage; 3. F-2 mode: alternately display input and output voltage; 4. USB mode: display USB output voltage and turn on or off the USB output; Instructions: press the "set" button, the cycle shows four kinds of display mode, the corresponding indicator light will on/off, press the "OK" key to save and exit, press the "OK" button to switch the LCD backlight. Package includes: 1 x 5A DC-DC Adjustable Step Down Power Supply Module (Board color will send in random)

General Information: The constant voltage and constant current programmable control power supply module put the collection of analog integration and digital control functions in one. Its adjustable output voltage range is 0-50.00V, step by 0.01V. Its adjustable output current range is 0-15.00A, step by 0.01A. This module has power-down stored function and can store 10 groups preset value. And it also has the function of extracting quickly two groups stored value. Compared with the traditional analog power supply, it is more convenient to quickly extract the voltage or current required. LCD display on the module has the function digital voltmeter and ammeter. You can view the preset voltage, input voltage, output voltage, the preset current, output current, output power, etc. on the output state remind area, you can see that output opens or not, the state of constant voltage and constant current, output is normal or not, the key is locked or not, and the current data groups that is being used. On the setting data interface, you can adjust overvoltage value, overcurrent value, over-power value, data set and LCD brightness. This module has many advantages, small size, advanced function, good visual effect, high operability, high-precision, being used independently, being inset into the device and been widely applied. DPS5015 host computer information download address: https://www.mediafire.com/folder/3iogirsx1s0vp/DPS_communication_upper_computer Technical parameters: Input voltage range: 6.00-60.00V Output voltage range: 0V-50.00V Output current: 0-15.00A Output power range: 0-750W Product Weight: about 222g Display module size: 79*43*41(mm) (L*W*H) Open size: 71mm*39mm Power module size: 93*71*41(mm) (L*W*H) Length of connecting line: 200mm Fixed hole center distance: 86mm, 64mm Output voltage resolution: 0.01V Output current resolution: 0.01A Output Voltage accuracy: ± (0.5% + 1 digit) Output Current accuracy: ± (0.5% + 2 digits) NOTE: 1.You must make sure that the input voltage is 1.1 times higher than output voltage. Under large current circumstances, pay attention to heat elimination. 2. Connection between display part and power part should be according to the corresponding words. Otherwise it will not work by wrong connection Connection description: IN+: Input positive IN-: Input negative: OUT+: Output positive: OUT-: Output negative Note: Input voltage range is DC 6-60V and 60v is the limit voltage; please leave a room to use. Or else it will be burnt. The input must be DC power supply, not AC 220V, or else it will be burnt too. Though this module has reverse connection protection and output short circuit protection, you can muse be in strict accordance with connection description to connect. If you connect the supply power with output, the module will be burnt. Panel description: 1-Voltage setting/Page up to choose/Shortcut extract M1 data group 2-Data setting/ Extract value of the specified data group/Store value into the specified data group 3-Current setting/Page Down to choose/Shortcut extract M2 data group 4-1.44 inch color LCD screen 5-Coding potentiometer/Data adjustment/Lock all buttons 6-Open or close output Display interface description: 7-The preset value of output voltage 8- The actual value of output voltage 9-The actual value of output current 10-The actual value of output power 11-The actual value of input voltage 12-The preset value of output current 13-Key lock or unlock prompt 14-Output normal or not prompt 15-Constant voltage and constant current status prompt

General Information: The constant voltage and constant current programmable control power supply module put the collection of analog integration and digital control functions in one. Its adjustable output voltage range is 0-50.00V, step by 0.01V. Its adjustable output current range is 0-20.00A, step by 0.01A. This module has power-down stored function and can store 10 groups preset value. And it also has the function of extracting quickly two groups stored value. Compared with the traditional analog power supply, it is more convenient to quickly extract the voltage or current required. LCD display on the module has the function digital voltmeter and ammeter. You can view the preset voltage, input voltage, output voltage, the preset current, output current, output power, etc. on the output state remind area, you can see that output opens or not, the state of constant voltage and constant current, output is normal or not, the key is locked or not, and the current data groups that is being used. On the setting data interface, you can adjust overvoltage value, overcurrent value, over-power value, data set and LCD brightness. This module has many advantages, small size, advanced function, good visual effect, high operability, high-precision, being used independently, being inset into the device and been widely applied. Two version can select: Type A: DPS5020 No Communication Version Type B: DPS5020 Communication Version USB Board+Bluetooth Board Type C: DPS5020 Communication + USB version Very important: 1. Before buying this product, please download the upper computer software and test, if it fits your computer, you can buy 2. The upper computer only support For Win7 and above. 3. This is file for upper computer installation and software, you can download: https://www.mediafire.com/folder/3iogirsx1s0vp/DPS_communication_upper_computer Technical parameters: Input voltage range: 6.00-60.00V Output voltage range: 0V-50.00V Output current: 0-20.00A Output power range: 0-1000W Product Weight: about 222g Display module size: 79*43*41(mm) (L*W*H) Open size: 71mm*39mm Power module size: 93*71*41(mm) (L*W*H) Length of connecting line: 200mm Fixed hole center distance: 86mm, 64mm Output voltage resolution: 0.01V Output current resolution: 0.01A Output Voltage accuracy: ± (0.5% + 1 digit) Output Current accuracy: ± (0.5% + 2 digits) NOTE: 1.You must make sure that the input voltage is 1.1 times higher than output voltage. Under large current circumstances, pay attention to heat elimination. 2. Connection between display part and power part should be according to the corresponding words. Otherwise it will not work by wrong connection Connection description: IN+: Input positive IN-: Input negative: OUT+: Output positive: OUT-: Output negative Note: Input voltage range is DC 6-60V and 60v is the limit voltage; please leave a room to use. Or else it will be burnt. The input must be DC power supply, not AC 220V, or else it will be burnt too. Though this module has reverse connection protection and output short circuit protection, you can muse be in strict accordance with connection description to connect. If you connect the supply power with output, the module will be burnt. Panel description:

4A 25w Electronic Load Adjustable Constant Current Aging Resistor Battery Volta Package weight: 0.11 kg Features: The current a voltage V power W capacity ah and discharge time can be displayed; Have a sound protection mechanism; Automatic statistics of discharge capacity and discharge time; Set maximum discharge Capacity (OAH) and maximum discharge time (OHP); (Realization of unattended aging experiments) Intelligent temperature-controlled fan, when the power is greater than 10W or the temperature is greater than 40 ￢ﾄﾃ fan start automatically; The use of rotary coding potentiometer, can accurately adjust the current, accurate to 0.01A, the current can be locked to prevent misoperation; Data group function: You can choose whether to add up the capacity value and running time of the previous stage; Has a powerful serial communication function. Specification: Rated supply voltage: DC5~30V Rated load voltage: DC1.5~25V Rated load current: 0~4A Discharge power: 25W Constant current accuracy: ±(1%+3) Voltage accuracy: ±(0.5%+1) Package included: 1 x Battery Tester Details pictures: Click here for more deals 4A 25w Electronic Load Adjustable Constant Current Aging Resistor Battery Volta 4A 25w Electronic Load Adjustable Constant Current Aging Resistor Battery Volta

Buy XH-M248 Constant Voltage Constant Current Buck Module with Voltage Current Power Display for R286.86

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Description: 5A Constant LED Driver Battery Charging Module Voltmeter Ammeter Adjustable step-down module Specifications: Module Properties: non-isolated constant current and voltage module Rectification: non-synchronous rectification Conversion efficiency: 95% (the highest) Switching frequency: 300KHz Output ripple: 50mV (max) 20M bandwidth Load Regulation: ± 0.5% Voltage Regulation: ± 2.5% Operating Temperature: -40?ﾃto +85??br />Voltmeter Ammeter Measurement accuracy: 0.1% Refresh rate: about 200ms / times Display: 0.28"digital tube Current Range: 0A-5A Voltage range: 5V-30V Please connect right as the printed:"IN-,IN+,OUT-, OUT+", or the Module will be burned. Package included: 1 x Constant Current/Voltage Battery Charging Module Details pictures:

AC-DC Isolated AC 110V / 220V To DC 5V 600mA Constant Voltage Switch Power Supply Converter Module With Shell Descriptions: The power supply is isolated industrial grade built-in power module with temperature protection, overcurrent and short circuit full protection. Features: AC85 - 264V or DC110 - 370V wide voltage input DC 5V(+/ -0.2V) 600mA isolated output Input Current: 0.0273A/115VAC 0.014A/230VAC Input surge current: 20A (230VAC) Frequency range: 50/60 Hz Operating Temperature: -30 - 70 ??br />Relative humidity: 20%- 90% Rated power: 3W Output efficiency: 80% Module size: 4.0*2.3*2.3cm Package included: 1 x AC-DC Isolated AC 110V / 220V To DC 5V 600mA Constant Voltage Switch Power Supply Converter Module With Shell

The VRX928LA is a lightweight (28 lb / 13 kg) compact 8' two-way linearray speaker system designed for use in arrays of up to six units. Constant Curvature Array - The waveguide mounts two compression drivers on a continuous arc enabling them to work together acoustically as if they were a single driver. Amplitude Shading- Convenient series of switches on each enclosures that controls the output of each high frequency section in the array. Suspension and Rigging. Dual Angle Pole Socket - JBL's dual angle pole sockets allow great flexibility in aiming the enclosure (not on - WH version) Differential Drive Woofer.

Product Description:   - Input: 11-30V DC - Output: 15-75V(automatically adapt according to the LED strips) - Design for 10 inch -48 inch LED TV monitor - Output Current: 10MA-1000MA - Size: 85mm x 45mm When 24V input: Vout=75V  Iout=720mA or Max 60W   When 12V input: Vout=75V  Iout=400mA or Max 30W Before you buy that you need to understand the following important information:   - Can support strips 15V- 75V LED strips - This product voltage will automatically adjust to the appropriate voltage according to the needs of the lamp voltage, so you do not need to tangle in a no-load voltage is measured when the number of volts. - Since it is universal board, parameters are unknown, so in this statement: We sold the product quality, performance, no problem, but can not guarantee that the goods will certainly fit for your strips. There are many possible causes can not match, voltage, power, connection, structure, etc.   may cause a mismatch Problems you may encounter when you use this board: Not bright enough than the original plate: 1, Connected to the adj pin trying to use the remote control to adjust the brightness light can try to solve. (Note:  this product is 0V the maximum brightness, high voltage darkest brightness.) 2, Adjusting the resistance of the board, the current increases to meet the requirements. Package included: 1 x 10-48 Inch LED Universal TV Backlight Constant Current Boost Driver Board

Descriptions: The power supply is isolated industrial grade built-in power module with temperature protection, overcurrent and short circuit full protection. Features: AC85 - 264V or DC110 - 370V wide voltage input DC 3.3V(+/ -0.2V) 800mA isolated output Input Current: 0.0273A/115VAC 0.014A/230VAC Input surge current: 10A (230VAC) Frequency range: 50/60 Hz Operating Temperature: -30 - 70 ??/span> Relative humidity: 20%- 90% Rated power: 2.6W Module size: 4.0*2.3*2.3cm Package included: 3 x AC-DC Isolated AC 110V / 220V To DC 3.3V 800mA Constant Voltage Switch Power Supply Converter Module

Descriptions: The power supply is isolated industrial grade built-in power module with temperature protection, overcurrent and short circuit full protection. Features: AC85 - 264V or DC110 - 370V wide voltage input DC 3.3V(+/ -0.2V) 800mA isolated output Input Current: 0.0273A/115VAC 0.014A/230VAC Input surge current: 10A (230VAC) Frequency range: 50/60 Hz Operating Temperature: -30 - 70 ??/span> Relative humidity: 20%- 90% Rated power: 2.6W Module size: 4.0*2.3*2.3cm Package included: 5 x AC-DC Isolated AC 110V / 220V To DC 3.3V 800mA Constant Voltage Switch Power Supply Converter Module

Specification: Applicable voltage range: DC3.7V-13V Current regulation range: 0.15A-3.00A Continuous discharging with 15W 5V-1A discharge resistance Features: Category: Electronic load of industrial level and long lifespan The product uses common fans with oil. For the intelligent start and stop of fans, the temperature control is around 40 Celsius degrees. It uses ball fans with long lifespan, and with fast rotation speed and strong wind, it can support unsuspended work of continuous 15W discharging. It is suitable for long-term discharging or factories to conduct product aging tests. Note: The test results of discharge resistance meet an error within 10%, so this is not an accurate tester but just for your reference. Due to severe heating, please mind your hands when using this product. Please avoid flammable and explosive objects and have someone on watch for the use. We would like to kindly remind you that we take no responsibility for all consequences caused by heated resistance. Thanks for your understanding! Package includes: 1 x USB Adjustable Constant Current Module

3Pcs LED Driver Charging Constant Current Voltage Step Down Buck Module

5Pcs LED Driver Charging Constant Current Voltage Step Down Buck Module Package contains 1 X item of the smallest listed variant.

AC-DC Isolated AC 110V / 220V To DC 5V 600mA Constant Voltage Switch Power Supply Converter Module Package contains 1 X item of the smallest listed variant.

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