Battery HiKOKI BSL36A18X

Smart battery that can be used in both 18V (5.0Ah) and 36V tools (2.5Ah). The battery automatically adjusts the voltage level according to the tool being used. Shock-resistant and water-resistant battery with a rubberized bottom. Built-in battery level indicator. Lifespan of approximately 1500 charge cycles. Battery protection system ensures the battery can handle recharging/overcharging, has low self-discharge, and can be stored long-term. MULTI VOLT battery, when combined with 36V MULTI VOLT tools, provides an outstanding high power of 1080W, comparable to an electric tool. With the battery, you get a 36V tool in the same compact size as an 18V. The battery can be used in both 18V and 36V MULTI VOLT tools.