General description Replacement battery for Makita 18V models including BL1860B, BL1850B, BL1840B, and more. Includes two 5.5Ah batteries and a user manual. Technical specifications Voltage: 18V Current: 5.5A Packaging content: 2x 5.5Ah battery, 1x User Manual Compatibility and accessories Compatible with various Makita models including BDF451, BHP452, BJR181, BTD141, and many others. Usage Charge the battery before first use. Store in a dry and clean environment. Recommended to use the battery at least every two to three weeks. Do not charge the battery when no one is at home. Other information Security features include built-in shock absorption to protect against voltage surges, short circuits, and overheating.