Type C BMS 2S 3S 4S 2A 4A 18650 Lithium Battery Charger Board

Description Product Type C BMS 2S 3S 4S 2A 4A 18650 Lithium Battery Charger Board Boost Module for Li-Po Polymer Power Bank 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) 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