Features 1、With balance function to stabilize voltage, improving the overall performance of the battery. 2、The surface is coated with protection glue against water, moisture and static. 3、Protection functions include short circuit protection, overcharge protection and overdischarge protection. 4、High withstand voltage and low internal resistance MOS. 5、With aluminum heat sink to greatly quicken heat dissipation. Specification Features: The surface is coated with protection glue against water, moisture and static. Protection functions include short circuit protection, overcharge protection and overdischarge protection. With aluminum heat sink to greatly quicken heat dissipation. Specification: Model: LS1 Battery type: Ternary lithium cell, lithium manganese oxide cell, lithium cobalt oxide cell, lithium polymer cell Maximum current: 25A Applicable power: ≤500W Number of strings: 7S Function: With balance, same port Material: Aluminum + Plastic Dimension: 52*65*9mm / 2.05*2.56*0.35in Package list: 1 * Lithium Battery Protection Board 1 * Cable Note: 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. Package List