METABO HPT BSL1830C - 18V Compact Battery 3AHThe Hitachi 3. 0Ah Li ion Battery, BSL1830, provides up to 1,500 charging cycles in its lifetime. The BSL1830 provides the user with a longer runtime and works on all current and new 18V Li ion Slide compatible tools in the Hitachi range. Features 3. 0Ah Compact Lithium ion high tech battery technology. Up to 50% smaller than previous model (compared to BSL1830 3. 0Ah battery). Long life: Up to 1,500 recharge cycles through multiplex protection