Switching frequency up to 1MHz
Quasi-CV mode to compensate for the voltage loss on the battery's internal
Resistance and trace resistance automatic recharge
Good adaptability to input supply with limited driving capability
With battery overvoltage protection, low voltage protection, and short circuit protection
Great for PDA, MP3, MP4, cameras, Bluetooth applications, games consoles, notebooks, 18650 lipo lithium battery, phones, solar charging, audio equipment, POS, electric fan, Type-C charging equipment, etc.
Specification:
Size: 39x18x6.3mm
Operating temperature - 40 ? ~+85 ?
2-Cell (2S) 8.4V Version
Input voltage: DC 3-6V (Recommend DC 3.7V 5V)
Input current: 1A (1A Version); 2A(2A Version); 4A (4A Version)
Charging voltage: 8.4V
Charging current: 0.55A (1A Version); 1.1A (2A Version); 2.2A (4A Version)
3-Cell (3S) 12.6V Version
Input voltage: DC 3-6V(Recommend DC 3.7V 5V)
Input current: 1A (1A Version); 2A (2A Version); 4A (4A Version)
Charging voltage: 12.6V
Charging current: 0.37A (1A Version); 0.74A (2A Version); 1.48A (4A Version)
4-Cell (4S) 16.8V Version
Input voltage: DC 3-6V (Recommend DC 3.7V 5V)
Input current: 1A (1A Version); 2A(2A Version); 4A(4A Version)
Charging voltage: 16.8V
Charging current: 0.28A (1A Version); 0.56A (2A Version); 1.12A (4A Version)
LED Indicator:
"CR": Charging
"OK": Fully charged or constant voltage mode