Part of the BLACK+DECKER POWERCONNECT battery system, a system that allows you to run a range of power tools in the home, the garage and the garden from the same 18V battery. Many BLACK+DECKER products are available as ‘bare’ units without the battery saving you money, you only need one battery to run the range of products.This battery is sufficient for occasional use. The higher the amp hour (Ah), the longer the battery will last before it needs to be recharged. Recommended charger: BLACK+DECKER 18V 1Ah Fast Battery Charger (BDC1A-GB)