HiKOKI BSL36B18X 18v 8.0Ah / 36v 4.0Ah Lithium-Ion MULTI VOLT Battery
Model Number: BSL36B18X. Automatically to power all 18V and 36V HiKOKI tools. Capacity: 36v - 4.0Ah/18v - 8.0Ah. Higher power output achievable than with similar sized 18v batteries. Battery Level indicator: Yes.