The Micro-USB Li-Ion Battery Charger is a complete constant current/constant-voltage linear charger for single cell lithium-ion/Lithium Polymer (LiIon/LiPo) batteries. The Charger base on TP4056. The ideally suited for portable applications. And the Li-Ion Battery Charger can work within USB and 5V wall adapter. Other features include current monitor,under voltage lockout, automatic recharge, and two status pin to indicate charge termination and the presence of an input voltage.
Power is supplied to Micro-USB socket OR to inputs IN+/GND.
Li-ion battery can be connected to XH power socket (XH cable included) or outputs BAT+/BAT-.Charge indication has 4 status (see pic).