The 12V max CXT™ Lithium-Ion 4.0Ah Battery combines efficient performance with the superior balance and ergonomics of a slide-style battery and the convenience of an on-board L.E.D. battery charge level indicator. The 12V max CXT™ 4.0Ah battery (and 2.0Ah battery, sold separately) are at the heart of the expanding Makita 12V max CXT™ tool series, combining performance with superior ergonomics in a compact size. Makita 12V max CXT™ Lithium-Ion batteries can be charged on the efficient Makita 12V max CXT™ Lithium-Ion Charger (DC10WD). FEATURES: -Lithium-Ion battery delivers longer run time and lower self-discharge -Features an integrated L.E.D. battery charge level indicator -Compact design for less weight -Part of the expanding 12V max CXT™ tool series, combining performance with superior ergonomics in a compact size -Use only with Makita chargers DC10WD and DC10SB -Not compatible with 12V max pod-style tools or chargers Specifications: Voltage: 12Vmax Capacity: 4.0Ah Compatible Charger: DC10SB & DC10WD Charge time: 70min