Specification Brand : HUIOP BulletPoint : PURBHE Rechargeable Controller Battery Pack BulletPoint1 : Fine quality plastics material case, with impact resistance and shockproof design, wear resistance and with fine durability. BulletPoint2 : Built-in integrated microchip with stable working performance, provides multiple protections and stable voltage circuit. BulletPoint3 : Built-in 5pcs 1300mAh battery cores, low heat radiation and quick heat dissipation, easy charging and with long endurance. BulletPoint4 : Temperature protecting, overtime protecting, overcharge protecting, overcurrent protecting, overpressure protecting, and with protective panels to protects the battery. BulletPoint5 : Purchase this replace battery can help you get work done more quickly, time saving with higher working efficient. Color : Multicolor ItemName : HUIOP 21V Replacement Battery,21V Rechargeable Lithium Battery and Battery Adapter Set Electric Power Tool Replacement Battery ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : camera-flash-battery-packs Manufacturer : HUIOP PartNumber : MMUSE23839-CJC ProductDescription : This is a kind of fine quality 21V rechargeable lithium battery, can help you get work done more quickly, time saving with higher working efficient. Built-in 5pcs 1300mAh battery cores, low heat radiation and quick heat dissipation, easy charging and with long endurance.