-
loading
Ads with pictures

Dc cc cv buck


Top sales list dc cc cv buck

South Africa (All cities)
Buy DC-DC CC CV Buck Converter Board Step Down Power Supply Module 7-32V to 0.8-28V 12A for R155.00
R 155
See product
South Africa (All cities)
Buy DC-DC CC CV Buck Converter Board Step Down Power Supply Module 7-32V to 0.8-28V for R147.79
R 147
See product
South Africa (All cities)
Buy DC-580 80W DC DC Buck Converter CC CV Power Module 1.8-32V 5A Adjustable Regulated Power Supply Volt for R620.00
R 620
See product
South Africa (All cities)
Buy DC-DC 7-35V to 1.25-30V CC CV LED Driver Buck Converter Power Supply Charging Step Down Module... for R149.00
R 149
See product
South Africa (All cities)
Specifications: · 300W 8A 7-32V to 0.8-28V DC CC CV Buck Step-Down Converter Power Supply Step Down Module Adjustable Voltage Regulator LED Driver · High-power, constant current LED driver · Battery charger · Vehicle-mounted power supply · Low voltage system power supply · Non-isolated step-down CC CV Buck module with on-board LED load indicator · Input voltage: DC 7-32 V · Output Voltage: DC 0.8-28 V (Adjustable) · Output Current: 8A (MAX), more than 60Deg please strengthen heatsink · Continuous Current Range: 0.2-8A Adjustable · Output Power: 300W (MAX) · Conversion efficiency: 95% (more input voltage, more efficiency) · Output ripple: 50mV · Working Temperature: industrial (- 40 ° c to +85 °c) (environmental temperature, more than 40 degrees, please reduce power to use, or - enhance cooling) · No-load current: 20mA (input 24V,Output 12V for reference) · Voltage regulation: ± 1% · Load regulation: ± 1% · Dynamic response speed: 200uS 5% · Short circuit protection: YES · Input Reverse protection: No (please comply with a reverse protection or connect a diode at input parts.) · Size: 65 x 47 x 22 mm · On-board LED load indications: red = load present (eg. 'battery charging'), green = no load (eg. 'battery charged' or output disconnected) Features: 1. Fixed turn lamp current is 0.1 times the current value(Used to identify whether the battery is fully charged When charging). 2. Made from a dedicated benchmark IC and high-precision current sensing resistor, proving a more stable constant current, (when 20°C to 100°C constant current 1A, temperature drift less than 1%). Particularly suitable for LED driver. 3. High output current, the max output current can reach 8A. 4. Four high frequency capacitance, can lower output ripple, enhance the work stabilization. 5. Double heat sink design. MOS schottky diode independent heat sink,which heat dissipation is good, and won't affect each other. 6. Using large size Sendust Core and double pure copper wiring, improve working efficiency, reduce fever. 7. 3296 multiturn potentiometer,high accuracy voltage and current regulation, good stability. 8. Double color lamp, working condition be clear at a glance 9. Voltage and current are adjustable,wich effect is good. Applications: 1. High-power LED driver. 2. Lithium battery(or lead accumulator) charge. 3. Vehicle-mounted power supply. 4. Low voltage system power supply. 5. 6V, 12V, 14V, 24V battery charge. 6. On-board laptop power supply. 7. regulated power supply. 8.Low voltage power supply system. Module adjustment: ¬タヒ 1. When the module output voltage can not be adjusted (the output voltage is always equal to the input voltage) Please adjust the potentiometer counterclockwise 20 laps (20 turns) or more till it works.¬タヒ 2. Turn trimmers CLOCKWISE to INCREASE, ANTICLOCKWISE to DECREASE. 3. When adjust the blue potentiometer,please use a multimeter to monitor the voltage 4. The trimmer nearest the voltage output adjusts the output CURRENT (CC) 5. The trimmer nearest the voltage input adjusts the output VOLTAGE (CV) Charger application - intructions: 1. First determine the float voltage and charging current required by the battery to be charged (the ‘target battery'). The target battery disconnected from the module output, apply a voltage of 7V - 32V to the module input, being sure to observe correct polarity. 2. Using the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the charging current required by target battery. 4. Using the CV trimmer, adjust the module's output voltage to the float voltage required by the target battery. 5. Connect the target battery to the module output, observing correct polarity. Charging of the battery should commence ¬タヒ Constant current LED Driver Application - Instructions: 1. First determine the operating current and maximum operating voltage of the LED you need to drive. 2. With the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the operating current of your LED. 4. Adjust the CV trimmer to make the output voltage reach the maximum LED operating voltage. 5. Connect LED, test. Package included: 3 x 8A 300W buck adjustable power supply module
R 313
See product
South Africa (All cities)
Specifications: · 300W 8A 7-32V to 0.8-28V DC CC CV Buck Step-Down Converter Power Supply Step Down Module Adjustable Voltage Regulator LED Driver · High-power, constant current LED driver · Battery charger · Vehicle-mounted power supply · Low voltage system power supply · Non-isolated step-down CC CV Buck module with on-board LED load indicator · Input voltage: DC 7-32 V · Output Voltage: DC 0.8-28 V (Adjustable) · Output Current: 8A (MAX), more than 60Deg please strengthen heatsink · Continuous Current Range: 0.2-8A Adjustable · Output Power: 300W (MAX) · Conversion efficiency: 95% (more input voltage, more efficiency) · Output ripple: 50mV · Working Temperature: industrial (- 40 ° c to +85 °c) (environmental temperature, more than 40 degrees, please reduce power to use, or - enhance cooling) · No-load current: 20mA (input 24V,Output 12V for reference) · Voltage regulation: ± 1% · Load regulation: ± 1% · Dynamic response speed: 200uS 5% · Short circuit protection: YES · Input Reverse protection: No (please comply with a reverse protection or connect a diode at input parts.) · Size: 65 x 47 x 22 mm · On-board LED load indications: red = load present (eg. 'battery charging'), green = no load (eg. 'battery charged' or output disconnected) Features: 1. Fixed turn lamp current is 0.1 times the current value(Used to identify whether the battery is fully charged When charging). 2. Made from a dedicated benchmark IC and high-precision current sensing resistor, proving a more stable constant current, (when 20°C to 100°C constant current 1A, temperature drift less than 1%). Particularly suitable for LED driver. 3. High output current, the max output current can reach 8A. 4. Four high frequency capacitance, can lower output ripple, enhance the work stabilization. 5. Double heat sink design. MOS schottky diode independent heat sink,which heat dissipation is good, and won't affect each other. 6. Using large size Sendust Core and double pure copper wiring, improve working efficiency, reduce fever. 7. 3296 multiturn potentiometer,high accuracy voltage and current regulation, good stability. 8. Double color lamp, working condition be clear at a glance 9. Voltage and current are adjustable,wich effect is good. Applications: 1. High-power LED driver. 2. Lithium battery(or lead accumulator) charge. 3. Vehicle-mounted power supply. 4. Low voltage system power supply. 5. 6V, 12V, 14V, 24V battery charge. 6. On-board laptop power supply. 7. regulated power supply. 8.Low voltage power supply system. Module adjustment: ¬タヒ 1. When the module output voltage can not be adjusted (the output voltage is always equal to the input voltage) Please adjust the potentiometer counterclockwise 20 laps (20 turns) or more till it works.¬タヒ 2. Turn trimmers CLOCKWISE to INCREASE, ANTICLOCKWISE to DECREASE. 3. When adjust the blue potentiometer,please use a multimeter to monitor the voltage 4. The trimmer nearest the voltage output adjusts the output CURRENT (CC) 5. The trimmer nearest the voltage input adjusts the output VOLTAGE (CV) Charger application - intructions: 1. First determine the float voltage and charging current required by the battery to be charged (the ‘target battery'). The target battery disconnected from the module output, apply a voltage of 7V - 32V to the module input, being sure to observe correct polarity. 2. Using the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the charging current required by target battery. 4. Using the CV trimmer, adjust the module's output voltage to the float voltage required by the target battery. 5. Connect the target battery to the module output, observing correct polarity. Charging of the battery should commence ¬タヒ Constant current LED Driver Application - Instructions: 1. First determine the operating current and maximum operating voltage of the LED you need to drive. 2. With the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the operating current of your LED. 4. Adjust the CV trimmer to make the output voltage reach the maximum LED operating voltage. 5. Connect LED, test. Package included: 5 x 8A 300W buck adjustable power supply module
R 514
See product
South Africa (All cities)
Specifications: · 300W 8A 7-32V to 0.8-28V DC CC CV Buck Step-Down Converter Power Supply Step Down Module Adjustable Voltage Regulator LED Driver · High-power, constant current LED driver · Battery charger · Vehicle-mounted power supply · Low voltage system power supply · Non-isolated step-down CC CV Buck module with on-board LED load indicator · Input voltage: DC 7-32 V · Output Voltage: DC 0.8-28 V (Adjustable) · Output Current: 8A (MAX), more than 60Deg please strengthen heatsink · Continuous Current Range: 0.2-8A Adjustable · Output Power: 300W (MAX) · Conversion efficiency: 95% (more input voltage, more efficiency) · Output ripple: 50mV · Working Temperature: industrial (- 40 ° c to +85 °c) (environmental temperature, more than 40 degrees, please reduce power to use, or - enhance cooling) · No-load current: 20mA (input 24V,Output 12V for reference) · Voltage regulation: ± 1% · Load regulation: ± 1% · Dynamic response speed: 200uS 5% · Short circuit protection: YES · Input Reverse protection: No (please comply with a reverse protection or connect a diode at input parts.) · Size: 65 x 47 x 22 mm · On-board LED load indications: red = load present (eg. 'battery charging'), green = no load (eg. 'battery charged' or output disconnected) Features: 1. Fixed turn lamp current is 0.1 times the current value(Used to identify whether the battery is fully charged When charging). 2. Made from a dedicated benchmark IC and high-precision current sensing resistor, proving a more stable constant current, (when 20°C to 100°C constant current 1A, temperature drift less than 1%). Particularly suitable for LED driver. 3. High output current, the max output current can reach 8A. 4. Four high frequency capacitance, can lower output ripple, enhance the work stabilization. 5. Double heat sink design. MOS schottky diode independent heat sink,which heat dissipation is good, and won't affect each other. 6. Using large size Sendust Core and double pure copper wiring, improve working efficiency, reduce fever. 7. 3296 multiturn potentiometer,high accuracy voltage and current regulation, good stability. 8. Double color lamp, working condition be clear at a glance 9. Voltage and current are adjustable,wich effect is good. Applications: 1. High-power LED driver. 2. Lithium battery(or lead accumulator) charge. 3. Vehicle-mounted power supply. 4. Low voltage system power supply. 5. 6V, 12V, 14V, 24V battery charge. 6. On-board laptop power supply. 7. regulated power supply. 8.Low voltage power supply system. Module adjustment: ??br /> 1. When the module output voltage can not be adjusted (the output voltage is always equal to the input voltage) Please adjust the potentiometer counterclockwise 20 laps (20 turns) or more till it works.??br />2. Turn trimmers CLOCKWISE to INCREASE, ANTICLOCKWISE to DECREASE. 3. When adjust the blue potentiometer,please use a multimeter to monitor the voltage 4. The trimmer nearest the voltage output adjusts the output CURRENT (CC) 5. The trimmer nearest the voltage input adjusts the output VOLTAGE (CV) Charger application - intructions: 1. First determine the float voltage and charging current required by the battery to be charged (the ‘target battery'). The target battery disconnected from the module output, apply a voltage of 7V - 32V to the module input, being sure to observe correct polarity. 2. Using the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the charging current required by target battery. 4. Using the CV trimmer, adjust the module's output voltage to the float voltage required by the target battery. 5. Connect the target battery to the module output, observing correct polarity. Charging of the battery should commence ??br /> Constant current LED Driver Application - Instructions: 1. First determine the operating current and maximum operating voltage of the LED you need to drive. 2. With the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the operating current of your LED. 4. Adjust the CV trimmer to make the output voltage reach the maximum LED operating voltage. 5. Connect LED, test. Package included: 3 x 8A 300W buck adjustable power supply module
R 318
See product
South Africa
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
R 347
See product
South Africa
5A XL4015 DC-DC Step Down Adjustable Power Supply Module LED Lithium Charger with heat sink Specification Module highlights: 5A high power, high efficiency and low ripple with power indicator Input voltage range: 4¿38VDC (Note: input voltage not exceeding 38V) Output voltage range: 1.25-36VDC adjustable Output current: 0-5A, recommended for use in 4.5A. Output power: 75W Working temperature: -40~+85 degrees Operating frequency: 180KHz Efficiency: 96%¿max) Short circuit protection: yes(limit current 8A). Over temperature protection Input reverse polarity protection: None (if required, high current diode in series with the input). L x W x H: 54 x  23 x 18mm  
R 75
See product
South Africa (All cities)
SkyRC Ultimate Duo 1400W 30A Balance Charger/ Discharger DC Input Voltage: 11-30V Display Type: 2x16 LCD Display Case Material: Metal Case Size: 200x140x55mm Charge Wattage: 700W x 2 Discharge Wattage: 30W X2 PC Communications: USB Port for PC Control & Firmware Upgrade External Port: Balance Socket-XH, Temperature Probe Socket Charge Cutoff Temperature: 20-80C(adjustable) Charge Voltage: NiMH/NiCad: Delta peak detection Balance Current: Max. 800mA/cell Trickle Current for NiMH/NiCad: 50-300mA & OFF Reading Voltage Range: 0.1-34.8V/cell Pb: 1.8V Balance Cells: 8 cells Memory: 10 different charge/discharge profiles in each channel Charge Method: CC/CV for lithium types and lead (Pb) batteries.Delta-peak Sensitivity for NiMH/NiCad Backlight: Blue Cooling System:Built-in fan x2pc Weight: 1220g
R 2.999
See product
Port Elizabeth (Eastern Cape)
Specifications: Product name: Nitecore NEW I4 Intellicharger Smart Charger Input Voltage: AC 100~240V 50/60Hz 0.25A(max) 10W DC 9~12V 1A Output voltage: 4.35V±1%/4.2V±1%/ 3.7V±1%/1.48V±1% Output current: 1500mA x 1 / 750mA x 2 / 500mA x 2 / 375mA x 4 Compatible with: Li-ion/IMR/LiFePO4: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430, 14500, 14650, 16500, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500,18650, 18700, 20700, 21700, 22500, 22650, 25500, 26500, 26650 Ni-MH(NiCd): AA,AAA,AAAA,C,D Dimensions: 5.51”×3.73”×1.45” (140mm×94.8mm×37mm) Weight: 7.12oz(202g, without batteries and power cord) Feature: ·Twice the charging speed of the i4 charger ·Active Current Distribution (ACD) Technology ·Compatible with 1.2V, 3.7V, 4.2V, 4.35V batteries ·Charging program optimized for IMR batteries ·Automatic current selection based on battery capacity ·Automatic identification of non-rechargeable Lithium batteries ·Capable of charging four batteries simultaneously ·Terminating threshold for battery voltages and charging current can be set independently for each individual slot ·Automatic adoption between three charging modes (CC, CV and dV/dt) ·Automatically detects battery power status and displays charging progress ·Automatically stops charging upon charging completion ·Reverse polarity protection and short circuit prevention ·Over-discharged battery activation ·Overcharging timeout protection ·Designed for optimal heat dissipation ·Made from fire resistant, flame retardant PC materials Package included: 1 x Nitecore NEW I4 Intellicharger Smart Charger 1 x Power cord(do not included the battery) 1 x Plug for your country(please choose the suitable plug when ordering) English Manual We are Located at: YSL MOMENTS SHOP 43 (FRONTLINE) Moffett On Main Lifestyle Centre, 109 17th Ave, Charlo CHARLO, Port Elizabeth Operating Times: MON TO FRI = 9AM TO 6PM FRIDAYS CLOSED 12:15 TO 14:15 SATURDAYS = 9AM TO 3PM PUBLIC HOLIDAYS = 9AM TO 2PM Open Last sunday of every month 9AM TO 2PM DEBIT & CREDIT CARDS ACCEPTED
R 299
See product

Free Classified ads - buy and sell cheap items in South Africa | CLASF - copyright ©2024 www.clasf.co.za.