- Size: approx. 2.6 x 1.7cm/ 1.02? x 0.67?
- Input voltage: 5V
- Charging cut-off voltage: 4.2V ?1%
- Maximum charging current: 1000mA
- Cell overdischarge protection voltage: 2.5V
- Cell overdischarge protection current: 3A
- Charging and protect circuit at the same time
- LED indicator- red is charging Blue is fully charged
- Micro USB female outlet for input end, can be used to charge the lithium battery by 5v charger directly.
- Connect ?B ?to positive electrode of battery and ?B-? to the anode. Connect ?Out ?and ?Out-? to load.