Youmile 5 Pcs 4.3V-27V Charging Discharge Module Adjustable Step Up Module+18650 Battery Holder with Red and black lines for 18650 Lithium Battery Fast Charging Boost Mobile Power Protection PCB Board
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Product description
- Overcharge protection When the input current reaches the limit flow rate of a certain module, the module will automatically turn on the overcharge protection function to prevent damage caused by overcharge
- Multimeter Can be used for multimeter, converted to lithium battery charging. VIN+ Port input 5V solar panels, BAT+ port can output 4.2V to charger 3.7V 18650 battery.
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