Description
- 【Product use】：This module is made for charging rechargeable lithium batteries and Boost module. This module greatly simplifies the process of adding single cell Lithium battery power to your projects.
- 【Various indices】：Input voltage: 4.5-8V; Charging voltage: 4.2V(Charge the 3.7V 18650 Lithium Battery); Charging current: up to 1A; Discharge current: the maximum 2A.
- 【Product construction】：This product can build a 9v or 12v rechargeable power supply, with a micro usb as a DC 5v input interface.
- 【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.
- 【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
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
