Dc adjustable voltage

DC-DC Adjustable Voltage Step up & Step Down / Current Driver/ Charger: Description: 1piece of DC-DC adjustable step up/ step-down (Voltage & Current) power supply module Input Voltage: 5-35V Output Voltage: Continuously adjustable from 1.25 V to 30V Rated Output Current: 3A Max. Output Current: 4A (more than 15W, preferably with a heat sink) Size (L x W x H): Approx. 1.9 x 0.95 x 0.5 inch / 4.8 x 2.4 x 1.3cm Indicator Light Constant current indicator(red) Charging indicator(red) Charged full (green) Applications: High-power LED constant current drive Lithium battery charger (including ferroelectric) 4V, 6V, 12V, 14V, 24V battery charger Nickel cadmium, nickel metal hydride battery pack charger Solar panels and wind turbines Battery Use: Make sure of the voltage and current of the battery you need to charge Adjust the constant voltage potentiometer to make the output voltage same to the charge voltage Potentiometer Adjustment Direction: Clockwise (increase), counterclockwise (decrease) Use the multimeter in 10A current scale to measure output short-circuit current, and adjust the current potentiometer to make sure the output current to the expected charging current value The charge current of transfer lamp is default 0.1 times of the charging current (constant current value) Connected to the battery and try to charging (for previous 5 steps, module input terminal is connected to power source, output load is NOT connected to batteries) LED Constant Current Driver Use: Make sure operating current and Max operating Voltage of the LED you need to drive Adjust the constant voltage potentiometer to make sure the output Voltage is up to LED Max operating Voltage Use the multimeter in 10A current scale to measure output short-circuit current, and adjust the current potentiometer to make sure the output current to the expected LED operating current Join LED, test (For the above 3 steps, module input terminal is connected to power source, output load is NOT connected to LED)

3pcs 3V/5V/12V to 19V/24V/30V/36V DC Adjustable Boost Step Up Module LM2587 Pow Package weight: 0.05 kg Feature: Input: 3V-35V Output: 4V-40V adjustable Efficiency: 94% (MAX) Dimensions: 37 x 32 x 15mm (L x W x H) Operating temperature: -40°C to +85°C Load capacity: Limited 80W Connection mode: Terminals are not welded, IN is input, and OUT is output Note: The smaller the differential voltage between the input and output voltages, the greater the carrying capacity and the higher the efficiency. Test parameters: Input voltage Output voltage Limited output current Power 3V 15V 1A 5W 5V 12V 1A 12W 5V 9V 1.5A 13.5W 9V 12V 2A 24W 12V 19V 1.5A 28.5W 12V 24V 1.2A 28.8W 19V 24V 2A 48W 24V 30V 2A 60W 30V 35V 2A 70W Package includes: 3 x DC Adjustable Boost Module Click here for more deals 3pcs 3V/5V/12V to 19V/24V/30V/36V DC Adjustable Boost Step Up Module LM2587 Pow 3pcs 3V/5V/12V to 19V/24V/30V/36V DC Adjustable Boost Step Up Module LM2587 Pow

20Pcs Mini DC Adjustable Power Supply Buck Module Step Down Module Description: Module Properties: Non-isolated step-down module (BUCK) Rectification: Synchronous rectification Input voltage: DC 4.75V-23V Output voltage: DC 1.0V-17V (Adjustable, Output Output current: Rated current 1.8A (3A MAX, can not be prolonged) Output ripple: 30mV (no-load) Dimension: 17 x 11 x 4mm (L x W x H) / 0.67 x 0.43 x 0.16 inch approx Package included: 20 x Mini DC-DC step-down adjustable module

KJS-1506 3-24V 1A 24W DC Power Adapter Adjustable Voltage Switching Power Supply Adapter Package contains 1 X item of the smallest listed variant.

Buy KJS-1506 3-12V 2A 24W DC Power Adapter Adjustable Voltage Adapter Switching Power Supply for R235.44

Product description Universal Laptop Power Supply / 100w / Brand new Specifications / Technical Details 2 in 1 Universal Laptop Charger 100w Product Features: 1) 8 adjustable voltages 2) 2 in 1 3) 8 output pins 4) 1 USB port:5V 1A 5) Max Power: 100W (For Home and Car use) 6) Compatible for most brand laptop computer including IBM, HP,DELL Specifications: 1) DC Input Voltage:DC12V (DCV) 2) AC Input: AC110V-240V. 3)Output Voltage:12V/15V/16V/18V/19V/20V/22V/24V (Slide switch adjustment) 4) Connectors: 8pcs different standard adapter connectors for different notebook pc. 5) Output Current:15V-20V:5A,22V-26V:4A 6) Availability Power:120W 7) USB Port: DC5V-500mAh 8) Can charge most of laptop computers which power are below 100W. can charge laptop computer and mobile phone at the same time. BRAND NEW, SEALED IN PACKAGE + GUARANTEE DECIBEL AUDIO & ACCESSORIES PLEASE NOTE: Our Address & Contact details are displayed below the Pictures of the Advert

Description:   12-250V AC DC Digital Voltage Detector Tester Pen LED Light Electric Sensor Features:   1.It's perfect for home use and handy when checking holiday lights. 2.Item checks wire and tells you which is hot (fire), which is cold (ground), and incredible, No battery needed. 3.Size: 13.7 x 3 x 2cm 4.Material: Plastic + Metal 5.Test range: 12~250V AC DC   Usage:   Voltage detection 1 The final figures is the voltage value. 2 It will indicate the lower value if not reach 70%of display value of the high value. 3 Please touch the negative pole when test the voltage of DC. 4 Inductance can be used when test the item with lower than 12V voltage. 5 It must be connected to ground or the zero when test the item with the induction.   Sensor detection When detect line side by side, please increase the space between the lines or hand-hold the detected item. Break detection. Move along the phase line, when there is nothing shows in the display window, it is the breakpoint.   Package Included:   1 x Voltage Detector Pen Details pictures: 

Description: Digital LCD Display AC/DC Electric Voltage Tester Alert Test Pen Detector Sensor   This meter is applicable to directly measure AC/DC voltage ranging from 12 to 250V and indirectly detect null line, phase line and continuity of AC/DC voltage. Besides, it can also be used to test the continuity of non-conductor.   Features:    1. 100% brand new and high quality. 2. Perfect for home, shop, garage, automotive, motorcycles, boats, personal watercraft, snowmobiles 3. Suitable for identifying live wires, broken wires and fault finding1. All operations work by two buttons 4. Soft handle for comfortable and easy grips 5. Digital LCD display 6. Engineering plastic shell Specification: Size: 12.7 x 1.6 x 1.1cm Color: Yellow, Red (Note: the color of this product will be send randomly)   Package includes:    1 x Voltage Tester Volt Alert Test Pen Detector   Details pictures:     

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