Product Introduction:1: Multiple choices, customers choose what they need based on different needs
2: Widely used
3: High safety performance
4: Easy to understand and operate
5: Battery overvoltage protection
2-cell (2S) version 8.4
Input voltage: Dc3-6V (recommended DC3.7V 5V)
Input current: 1A (version 1A); 2A (version 2A); 4A (Version 4A)
Charging voltage: 8.4V
Charging current: 0.55A (1A version): 1.1A (2A version): 2.2A (4A version)
3-cell (3s) version 12.6V
Input voltage: DC3-6V (recommended DC3.7V 5V)
Input current: 1A (version 1A): 2A (version 2A); 4A (Version 4A)
Charging voltage: 12.6V
Charging current: 0.37A (1A version): 0.74A (2A version); 1.48A (4A version)
4cell (4s) version 16.8V
Input voltage: DC3-6V (recommended DC3.7V 5V)
Input current: 1A (version 1A); 2A (version 2A): 4A (version 4A)
Charging voltage: 16.8V
Charging current: 0.28A (1A version): 0.56A (2A version); 1.12A (version 4A)