1S 3S 4S 5S 6S 7S 8S battery packs protection board Active balance Voltage Balancer Module lipo battery bms Battery protection circuit board smart bms with active balancer:Matching the SoC of each cell. Active cell balancing redistributes charge during the charging and discharging cycle, unlikepassive cell balancing, which simply dissipates charge during the charge cycle. Thus active cell balancing increases systemrun-time and can increase the charging efficiency. Active balancing requires a more complex, larger footprint solution;not a very cheap solution
