This is a 1-cell (3.7V) Lithium Polymer or Lithium Ion battery charger, ideal for use with mini robots or to be integrated into projects and / or systems thanks to its small size.
It has a micro USB port to charge the battery from a computer or with a compatible cell phone charger or pads to solder and connect to an external power source.
Battery charger 1 cell @ 1A LiPo microUSB
Linear load mode with 1% tolerance
Charging current: 1A adjustable
Input voltage: 4.5 - 5.5V
Full charge voltage: 4.2V
Full charge indicator (red LED is charging, blue LED is fully charged)
Working temperature: -10 to + 85 ° C