Feature:1. Switching frequencies up to 1MHz, compensate for voltage loss in quasiCV mode.2. The internal resistance and tracking resistance of the battery are charged automatically.3. Protection battery voltage is lower than the input voltage and battery short circuit.4. Strong adaptability to the input power supply, driving capacity is limited over voltage protection battery.5. Version 12.6V of input voltage DC 36V (DC 3.7V 5V is recommended).Specification:Condition: 100% Brand NewItem Type: Battery Charger Module Material: Plastic Section 3 (3S) Version 12.6VInput Voltage: DC 36V (recommended DC 3.7V 5V)Input Current: 2A (version 2A)Charging Voltage: 12.6VCharging Current: 0.74A (version 2A).Package List:1 x Battery Charger Module