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 (ZH cable included) or outputs BAT+/BAT-.
Charge indication has 4 status (see pic).
1 x TP4056 Li-Ion Battery Charger