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DC-DC 12V to 5V 4 USB Car Charger Power Supply Buck Module for Phone Navigation

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Note: The color of the item may vary slightly due to photography and your own computer.
High Quality DC-DC 12V to 5V USB Car Charger Step-Down Power Supply Module.
Application: the device with 5V Power supply, electrical appliances whose power less than 25W ,such as mobile phones, tablet pc, navigation systems, driving recorder,also can be used on the LED power supply.
With 4 USB port, you can also connect four USB standard device simultaneously.
Connect positive and negative terminals of the battery to the input positive and negative,then the input is completed.
Output: standard USB
Output voltage: 5V
Output current: 5A
Size: 4.8 x 4 x 2.2mm
Weight: 41g

Package include:
1 x DC-DC 12V to 5V USB Car Charger Step-Down Power Supply Module


Tool & Appliance Tester

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  • Rob R.
  • 2/8/2015 2:47:10 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsgood

Pros: Works! It does what its supposed to at a good price.

Cons: +/- terminals not clearly identified, not a big deal unless you're a beginner. I followed the paths on the PCB to a capacitor that was labeled.

I bought two of these, one had minor (superficial) damage to the heat sink. The damage appears to have happened prior to assembly, as taller nearby parts are pristine. On the other hand, the solder work looks a little cleaner on the one with the scratched heat-sink.

Other Thoughts: This is a good deal for the price.

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