2pcs DC-DC Step Down Adjustable Power Supply Module DIY, US $9.99 – Picture 0

2pcs DC-DC Step Down Adjustable Power Supply Module DIY, US $9.99 – Picture 1

2pcs DC-DC Step Down Adjustable Power Supply Module DIY, US $9.99 – Picture 2

2pcs DC-DC Step Down Adjustable Power Supply Module DIY, US $9.99 – Picture 3

2pcs DC-DC Step Down Adjustable Power Supply Module DIY, US $9.99 – Picture 4

2pcs DC-DC Step Down Adjustable Power Supply Module DIY, US $9.99 – Picture 5

2pcs DC-DC Step Down Adjustable Power Supply Module DIY, US $9.99 – Picture 6

2pcs DC-DC Step Down Adjustable Power Supply Module DIY, US $9.99 – Picture 7

2pcs DC-DC Step Down Adjustable Power Supply Module DIY, US $9.99 – Picture 8

2pcs DC-DC Step Down Adjustable Power Supply Module DIY, US $9.99 – Picture 9

2pcs DC-DC Step Down Adjustable Power Supply Module DIY, US $9.99 – Picture 10

2pcs DC-DC Step Down Adjustable Power Supply Module DIY, US $9.99 – Picture 11

2pcs Dc-dc Step Down Adjustable Power Supply Module Diy

US $9.99

Shenzhen, China
Jan 29th

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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 Adjustment: Apply to 5-35V power source, use multimeter to test the oputput voltage and then adjust the potentiometer, turn clockwise to step up and counterclockwise to step down 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) Package Includes: 1 x Adjustable Power Supply Module Keywords: dc-dc power supply module, power supply modules, adjustable power supply module DC 12V 24V 40V to 5V Step Down USB Step-down Power Module Description: Input: 9 - 40 v Output: 5V, within input range(9V~40V) Current: 5A (long-term stable working) Max current: 8A Efficiency: 94% Size: 4.8 x 3.8 x 2.2cm Core components: kim-055L packaging, tps40057 chip With high frequency low resistance electrolytic capacitors, withstanding high voltage, high stability The whole welding by machine With doubling PCB board, Increasing the line width of the board to insure the current flow more smoothly One of the four USB interfaces reserving the divider resistance for your DIY Purpose: All 5V equipment, below 25W electrical equipment such as MP3, MP4, MP5, mobilephone, pad, GPS, automobile data recorder and bluetooth device, can be used at the same time or can be used LED power supply Warning 1:When using the positioning hole, due to the upside and down side of PCB board voltage is different, avoiding the copper sheet together to cause a short-circuit. Warning 2:The unstable voltage on car, must use wide input to ensure that your precious electrical safety. Must be at 9 ~ 40 v wide input to be used in the car. This product can do Package Includes: 1 x Step Down USB Step-down Power Module 14_B032919109443 Shipping And Handling Policy The buyer is responsible for any applicable import duties and local taxes. Please verify with your customs before making your purchase. Please verify your address during checkout. We are not responsible for any wrong or undeliverable addresses. 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Condition:	New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...	Brand	/
Country/Region of Manufacture	China