specification: Maximum discharge current: 15A Instantaneous discharge current: 70A Charging voltage: 28.8V Maximum charging current: less than 15A Overcharge detection voltage: 4.25±0.025V Overcharge protection delay: 100ms Overcharge release voltage: 4.15±0.05V Battery balance detection voltage: / Battery balance release voltage: / Battery balance current: / Overdischarge detection voltage: 2.8 ± 0.08V Overdischarge detection delay: 50ms Overdischarge release voltage: 3.0±0.1V Overcurrent detection voltage: 150mV Overcurrent detection delay: 15ms Overcurrent protection current: 75±5A Overcurrent protection release condition: disconnect load Short circuit protection condition: external load short circuit Short circuit detection delay: 200uS Short circuit protection release condition: disconnect load Main circuit conduction internal resistance: less than 15mΩ Working current: less than 50uA Temperature range: -30/+80°C Size: 63 * 33 * 10mm Color: Silver + Green Material: metal + PCB Package Contents: 1 * - Battery Protection Board 1 * wire Only the above package content, other products are not included. Note: Light 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.