Technical summary
1. Female micro USB input terminal.
2. It can be used for 3.6 3.7V voltage, etc. 18650, polymer and other lithium battery charge and discharge protection.
3. Input voltage: 5V
4. Charge cut-off voltage: 4.2V ± 1%
5. Maximum charging current: 1000mA
6. Battery over-discharge protection voltage: 2.5V
7. Battery overcurrent protection current: 3A
8. No reverse polarity protection.
