Makita BL1830 Battery

LXT Lithium-Ion battery and optimum charging system produces 280% more lifetime work with 2x more cycles. 5x Lower self-discharge keeps battery cells active and ready for use even after long periods of storage. Charging at any time will have no effect on the battery. Batterys built-in Memory Chip communicates with the charger to maximize battery life using 3 Active Controls (Current Voltage & Thermal). Charges with Makita DC18SC Charger (sold separately).