1It is a lithium battery protection board with a strong load capacity, mainly used in 10 series battery packs 2It can be used for lithium batteries with different chemical properties such as ion, lithium polymer, lithium cobalt oxide etc 3It will protect battery pack from overcharging, over-discharging over-current and short circuit. 4The protection board with balance has equilibrium function to keep each cell in balance and good service life. 5Board with a heat sink, cooling effect is good.