input with TYPE C USB socket.
You can directly use the mobile phone charger as input to charge the lithium battery.
and the input voltage connection solder joint is still reserved, which can be very convenient for DIY input voltage: 5V.
Charging cut-off voltage: 4.2V±1%%
charging current: 1000mA
battery over-discharge protection voltage: 2.5V
Battery overcurrent protection current: 3A
board size: 2.6*1.7CM