Lithium Battery, 18 V Battery, 4 Ah, 40 min Charging

The Makita 18 V LXT Lithium-Ion battery charges faster and works longer than standard Lithium-Ion batteries, giving you and your cordless tools unmatched performance and productivity to take on the most demanding applications. The Makita 4 Ah battery, model BL1840B, combines more runtime 35% more runtime per charge than the Makita BL1830 battery with a category-leading charge time of only 40 mins so it spends more time working and less time sitting on the charger. For added convenience, it also features an on-board LED charge level indicator to monitor battery charge. The 18 V LXT 4 Ah battery is compatible only with Star Protection tools, indicated by the Star Symbol and/or yellow battery receiver under the tool.