Makita bl1840B Li-ion 18 V/4.0 Ah Battery with Charging Light has the following specifications And very durable to 80% compared to a Makita battery NiCd or NiMH battery.- The charge- 100% of the battery in 36 min- 40% more légère- Voltage 18 V Battery technology Li-ion- capacity 4.0 Ah- Net Weight 0.6kg >>>>> BUY NOW <<<<< Battery capacity: 4 Ah Charging time: approximately 36 min Battery Voltage: 18 V Weight Battery: 672 g >>>>> BUY NOW <<<<<