This product is 6 string 24V 6-Cell lithium battery power protection board Split-mouth 40A discharge current With heat sink Protection board with overcharge protection, over discharge protection, over current protection, short circuit protection Maximum discharge current: 40A Instantaneous discharge current: 70A Charging voltage: 25.5V Maximum charging current: 40A Overcharge detection voltage: 4.25±0.025V Overcharge protection delay: 1.0±0.5S Overcharge release voltage: 4.15±0.05V Battery balance detection voltage: 4.125±0.025V Battery balance release voltage: 4.125±0.05V Battery balance current: 41±5mA Overdischarge detection voltage: 2.7 ± 0.1V Overdischarge detection delay: 1.0±0.5S Overdischarge release voltage: 3.0±0.1V Overcurrent detection voltage: 100mV Overcurrent detection delay: 1±0.3S Overcurrent protection current: 75±5A Overcurrent protection release condition: disconnect load Short circuit protection condition: external load short circuit Short circuit detection delay: 250uS Short circuit protection release condition: disconnect load Main circuit conduction internal resistance: ≤20mΩ Working current: ≤40uA Temperature range: -30°C+80°C Color: As Shown Material: PCB Package Contents: 10 x 6 series 24V 40A battery protection board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.