1 when use the board to charge the device please long press the switch 2.
Usb battery charger board.
Makerfocus 4pcs 186 50 charging board dual usb 5v 2 4a mobile power bank module 186 50 lithium battery charger board with overcharge overdischarge short circuit protection diy usb power bank board 4 3 out of 5 stars 111.
Usb lithium battery charger module board with charging and protection features.
2pcs 5v micro usb 1a 18650 lit.
When use the board at first please connect 5v power adater to the micro usb port to activate the board.
Makerfocus 4pcs 186 50 charging board dual usb 5v 2 4a mobile power bank module 186 50 lithium battery charger board with overcharge overdischarge short circuit protection diy usb power bank board 4 3 out of 5 stars 117.
Input port with micro usb female can directly use mobile charger for input to the lithium battery and still retain the input voltage wiring solder joints can be very convenient.
98 pandamama 5v 1a tp4056 lithium battery charger module charging board with protection dual functions 1a li ion tc4056 0 01 0.
Hiletgo 3pcs tp4056 type c usb 5v 1a 18650 lithium battery charger module charging board with dual protection functions 4 5 out of 5 stars 25.
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66 x 18 x 16mm 2 60 x 0 71 x 0 63inch l w h package included.
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This is another single cell lithium charger module but with battery protection components on board and a micro usb connector.