Features:With balance function to stabilize voltage, improving the overall performance of the battery.The surface is coated with protection glue against water, moisture and static.Protection functions include short circuit protection, overcharge protection and overdischarge protection.High withstand voltage and low internal resistance MOS.With aluminum heat sink to greatly quicken heat dissipation.Specification:Model: LS1Battery type: Ternary lithium cell, lithium manganese oxide cell, lithium cobalt oxide cell, lithium polymer cellVoltage: 24VMaximum current: 25AApplicable power: 500WNumber of strings: 7SFunction: With balance, same portMaterial: Aluminum + PlasticDimension: 52*65*9mm / 2.05*2.56*0.35inPackage list:1 * Lithium Battery Protection Board1 * CableNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .