Discharge: Single battery over-discharge voltage: 2.7V0.08V Continuous working current: 25A protection current: 60A Overcurrent recovery conditions: charge recovery or disconnect load Short-circuit recovery conditions: charge recovery or disconnect load Charge Single battery overcharge voltage: 4.25V0.025V Continuous charging current: 20A Charge equalization voltage: 4.15V0.025V Charge equalization current:40mA Charger voltage: 30V (recommended) Charging over temperature protection: 50 Discharge over temperature protection: 70 Working consumption: 30uA Main circuit conduction internal resistance: 20m Temperature range: -40 to 80 Wire break protection: Yes Wire Length: 40cm Appearance size: 60 x 33 x 7MM Connection : Common Port Due to different product batches, the appearance may be different, but the function is the same color:As shown Material:PC+Metal Package Contents: 1 x BMS 7S 24V Lithium Battery Protection Board(20A) 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.