Linear charger board allows you to charge a 3.7V lipo battery using either a Mini USB connector or a 5V input.
| LED Status | Red: Charging / Green: Fully Charged | 
| Input Voltage | 4.5V – 5.5V | 
| Charge Voltage | 4.2V | 
| Charging Precision | 1.5% | 
| Dimensions | 25mm x 19mm |