Type C BMS 4S 2A 18650 Lithium Battery Charger Board Step-up Boost Module For Li-Po Polymer Power Bank

Type C BMS 4S 2A 18650 Lithium Battery Charger Board Step-up Boost Module For Li-Po Polymer Power Bank

4-Cell(4S) 16.8V Version

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

Input current : 2A(2A Version) 

Charging voltage : 16.8V 

Charging current : 0.56A(2A Version)

Specification

Switching Frequency up to 1MHz Quasi-CV mode to Compensate for the Voltage Loss on Battery Internal Resistance and Trace Resistance Automatic Recharge Protection for Battery Voltage Being Low than Input and Short Battery Good adaptability to Input Supply with Limited Driving Capability Battery Overvoltage Protection

Led indicator : ''CR'' LED is charge status indicator 

''OK'' LED is fully charged OR Constant voltage mode;

Operating Ambient Temperature:－40℃ to ＋85℃ 

Size: 39mm x 18mm x 6.3mm 

Weight : 5g

Applications

PDA, MP3 Players, MP4 Players Digital Cameras Bluetooth Applications Game Players Notebook li-on Lithium Battery 18650 Mobile phone Solar charging Audio equipment Portable Devices POS , Electric Fan TYPE-C charging equipment

The input current is determined by the value of the two RCS The charging voltage is determined by the chip and cannot be modified by resistance