• User Advantages CoolPack technology for a longer operating time of up to 65% (compared to 3.0 Ah batteries) and a longer service life of up to 100% (comparison with batteries without CoolPack) Bosch flexible power system - suitability of a battery for all instruments of the same volt class Extremely robust - continues to operate even if dropped into concrete from a height of 3 m Technical Specifications Battery voltage: 18 V Battery capacity: 4 Ah Weight: 600 g Dimensions (LxWxH): 115X74X56 mm Package Content 1 x 4.0 Ah li-ion Battery