General description The Makita BL1850 5.0Ah 18V Li-Ion battery is designed to outperform previous models like the BL1830 and BL1840. This five-pack of batteries features an optimum charging system that provides 280% total lifetime work with double the cycles. With a lower self-discharge rate, these batteries remain active and ready for use even after extended storage periods. Technical specifications Battery type: Li-Ion Voltage: 18V Capacity: 5.0Ah Charge time: 45 minutes with DC18RA and DC18RC chargers Weight: Same as BL1830 3.0Ah battery Compatibility and accessories Compatible with all Makita Li-Ion LXT 18V machines Requires tools with a star on the connector plate or a yellow connector plate Usage Ideal for high-drain applications requiring maximum battery power Built-in Memory Chip communicates with the charger to optimize battery life STAR Protection Computer Controls monitor conditions to prevent overload, over-discharge, and overheating Other information