2A 5V 4in1 Charger Discharge Module Charge Protection Board for 3.7V 4.2V Li Ion Battery

Features: 1. This module can protect lithium battery from burnout during charging or discharging. 2. Provide many protect functions against over current, overvoltage, short circuit, over temperature protection. 3. Suitable for 3.7V or 4.2V lithium battery. 4. The module is made with high quality electronic components, reliable and stable. 5. Reasonable layout, easy to wire and use. Specification: Charging voltage: DC 4.5V 5.5V (DC 5V recommended) Charging current : 0 2.1A Charging quiescent current : 100uA Full voltage: 4.2V+ 1percent . Discharge current: 0 2.4A; Discharge quiescent current : 50uA Discharge efficiency: up to 96percent Output voltage: 5V Output current: 0 2.1A; Ambient temperature: 20 celsius 85 celsius Protect function: OCP, OVP, SCP, OTP Wiring: GND connect to battery negative VIN connect to battery positive VOUT Connect to the positive output+ GND Connect to the positive output Package List: 1 * Lithium Battery Charger Module