2PCS Type C BMS 2S 3S 4S 1A 2A 4A 18650 Lithium Battery Charger Board USB C Step-up Boost Module for Li-Po Polymer Power Bank (3S 4A)
2PCS 3S 4A Type-C USB C Step-Up Lithium Li-ion Battery Charging Protection Board Boost Charging Module DC 8.4V 12.6V 16.8V
[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)
High Safety Performance: Battery overvoltage protection; Protection for Battery Voltage Being Low than Input and Short Battery.
Led indicator : "CR" LED is charge status indicator; "OK" LED is fully charged OR Constant voltage mode. Note: For the 4A version, unless your TYPE-C power supply canprovide 4A current,it is not recommended that you USE THE 4A VERSION.
Applications: The Step-Up Power module can be widely used in PDA, MP3 Players, MP4 Players, Digital Cameras,Bluetooth Applications,Game Players,Notebook,Mobile phone, Solar charging, Audio equipment,Portable Devices,POS , Electric Fan, and TYPE-C charging equipment etc.
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