A capacious energy store for many, varied devices included in the brand's offer. An advanced electronic module monitors battery operation to maximize performance, operating time, increase durability and safety. Cell overheating protection, extending their operating time and enhancing their durability. Short circuit protection increases safety of work and storage of the rechargeable battery. Charging level control extends the life cycle of the cells. Cells made in the latest lithium-ion (Li-Ion) technology ensure high energy efficiency, robustness and reliability. Housing protected with rubber bumpers protects against mechanical damage. Cell protection against moisture. Operation possible from - 18 ℃ of external temperature, extends the scale of tool use. Charging level shows the available energy.