Type C Step up Boost 18650 charger battery 18650 2S 3S Li Ion LiPo - 2S 8.4V 2A

DIY 18650 21700 3.7V Lithium Battery Step-Up Boost LiPo Polymer Li-Ion Charger

Multi-Cell 2S 3S 4S 5V Type-C To 8.4V 12.6V 16.8V

Description:

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)

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