ITEM NAME:4S 3.2V Lifepo4 Lithium Iron Phosphate Protection Board 12.8V High Current E2V2 4S 3.2V Lifepo4 Lithium Iron Phosphate Protection Board 12.8V High Current E2V2 4s:?3.2V LifePo4 BMS:?Protection charge voltage:?14.6V charge current :50 - 150A single cell balance current : 0.07A Single battery consumption :25uA single cell balance voltage :3.6V overcharge protection / over-discharge protection / over-current protection /short circuit prtection High Current:?100A colour:red Material:Metal +pc size:140*80mm Package Contents: 1 * Lithium Iron Phosphate Protection Board