3 X Makita 18V 4.0Ah Li-Ion LXT Battery BL1840 BL1840B 4AH 196399-0 Genuine UK

Features include: Unbeatable 36 minute charge time. Up to 33% extra runtime and extended battery life. Same size and weight as 3.0Ah BL1830. Works with your current Li-ion chargers. Computer controlled optimum charging. Compatible with starred terminal machines. Compatible with yellow terminal machines. Cooling System for max battery life. Battery protection circuit. LXT Lithium-Ion battery and optimum charging system produces 280 percent total lifetime work with 2x more cycles. 5x Lower self-discharge keeps battery cells active and ready for use