General description The Energup 18V 5.5Ah replacement battery is designed for compatibility with various Makita 18V battery models, including BL1850, BL1860, BL1840, BL1830, BL1820, and BL1815. This lithium-ion battery features an intelligent indicator light that allows users to monitor the remaining battery level and charging status, ensuring timely charging to extend battery lifespan. Equipped with intelligent chips, it provides protection against overheating, overload, and short circuits, enhancing durability and performance. Technical specifications Battery type: Lithium-ion Voltage: 18 V Capacity: 5.5 Ah (5500 mAh) Power: 90 W Charger input: 100-240V 50/60Hz Charger output: 14.4V~18V Compatibility and accessories Compatible with Makita 18V battery models: BL1860, BL1850, BL1840, BL1830, BL1820, BL1815, BL1850B Replacement models: DC18RC, DC18RD Includes: 1 x Makita 18V replacement battery, 1 x DC18RC charger, 1 x User manual Installation To replace the battery, ensure the device