TechOrbits 18V Battery Pack for Hitachi BSL1830 33055 330067 330068 330139 BSL 1815X- 3000mAh- Years Warranty- Extended Capacity 3.0AH Premium Components: This battery features a Texas Instrument main board, state of the art over circuit protection, and name brand lithium ion cells. Longest Warranty: TechOrbits batteries are built to last; that's why we cover our batteries with an industry best 3 years warranty. Battery type: Li-ion; Capacity: 3.0 AH; 18 Volts; 10 Cells Energy Efficiency: Max Utilization Technology insures that the battery always gives you maximum battery life for every charge. Over 1 million+ happy customers since 2012