4 in 1 Board UPS for Raspberry pi 18650 Battery Charging 3.7V Step up to DC 5V 12V with Protection (5v ouput)

Amazon.com Price: $15.99 (as of 01/18/2022 12:58 PST- Details) & FREE Shipping. Details

funcion 1 :step up board, with 18650 battery case, 3.7v step up to 12v ouput
funcion 2,charing board, input 5v 1A or 2A to charge the 18650 battery
funcion 3: charing protection, Over-charge protection, over-discharge protection, over-current protection, over-temperature protection, output short circuit protection

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Description

Color:5v ouput

Note:
1 if the Load more than 2Watt , less than 5Watt, please use 5V 2A for input.
2 if you want a add switch , please add it on SW pin, it can control the output, otherwise, please short SW pin.
3 the Load current should less than 1A (500ma)(400ma), if you want to control greater load, please use two or more board in parallel.
4. the board with short circuit and other protection, if make a mistake and short it, please input 5v to Reactivate it
5 the board has Mos components,which easy destroyed by static electricity,so Please use soldering iron with Ground wire and take anti-static measures.

funcion 1 :step up board, with 18650 battery case, 3.7v step up to 12v ouput
funcion 2,charing board, input 5v 1A or 2A to charge the 18650 battery
funcion 3: charing protection, Over-charge protection, over-discharge protection, over-current protection, over-temperature protection, output short circuit protection
funcion 4: UPS(Uninterrupted power supply):if input 5v , it will charge the battery and no use the battery power to step up ; if power failure, it will automatically use the battery power.
You can use two or more in parallel to get more output power.

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