Custom 2S 3S 4S Li-ion battery charger battery protection board TypeC USB boost charging board DC3-5V

Product description:

1: Various choices, customers choose what they need according to different needs

2: Wide range of applications

3: High safety performance

4: Simple and easy to understand, easy to operate

5: Battery overvoltage protection

Product parameters:

2-Cell(2S) 8.4V version:

Input voltage: DC 3-6V (recommended 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 (recommended DC 3.7V 5V)

Input current: 1A (1A version); 2A (2A version); 4A (4A version)

Charging voltage: 12.6V

Charging current: 0.37A (version 1A); 0.74A (version 2A); 1.48A (version 4A)

4-Cell(4S) 16.8V version:

Input voltage: DC 3-6V (recommended DC 3.7V 5V)

Input current: 1A (1A version); 2A (2A version); 4A (4A version)

Charging voltage: 16.8V

Charging current: 0.28A (version 1A); 0.56A (version 2A); 1.12A (version 4A)

Switching frequency up to 1MHz

Quasi-CV mode compensates for battery internal resistance voltage loss and trace resistance battery

automatic recharge

Protection voltage below input and battery short circuit

Good adaptability to input power, limited drive capability

Battery overvoltage protection

LED indicator: "CR" LED is the charging status indicator

                   "OK" LED fully charged or constant voltage mode;

Working ambient temperature -40°C to +85°C

Dimensions 39mm x 18mm x 6.3mm

Weight: 5g

Applications:

PDA, MP3 player, MP4 player

digital camera

Bluetooth application

game console

notebook

Lithium battery Lithium battery 18650

cell phone

solar charging

Audio equipment

portable device

POS, electric fan

TYPE-C charging equipment