3S 20A 12.6V Battery Charging Module PCB BMS Protection Board For 3 Series lithium LicoO2 Limn2O4 18650 battery

Product description:

A battery management system (BMS) is any electronic system that manages a rechargeable battery (cell or battery pack), such as by monitoring its state, calculating secondary data, reporting that data, protecting the battery, controlling its environment, and / or balancing it.

Specification:

1. Suitable for 3 string 18650 batteries or polymer lithium battery series combination) 10.8V (rated voltage for polymer battery) 11.1V (18650 or 3.7V lithium battery rated voltage) 12.6V (lithium battery is fully charged after the voltage)
2. Supply Voltage: 12.6V, overcharge detection voltage :4.25±0.025V overcharge Lift the voltage:4.15±0.05V over discharge detection voltage :2.50±0.08V over discharge Lift the voltage:3.00±0.1V
3. Working current: 15A (Natural cooling 15A, add heat sink 20A), Maximum instantaneous current 20A
4. Internal resistance : Less than 45 m Ω, Service life: >30,000hours
5. Short circuit protection Overcharge protection Over-discharge protection Overcurrent protection, Remove protection condition automatic recovery, without activation