High-Capacity Lithium-Ion Power Solution: Powered by an 18V lithium-ion rechargeable battery with 6.0Ah (6000mAh) capacity, this battery delivers extended runtime and consistent performance for heavy-duty cordless tools Wide Compatibility & Direct Replacement: Designed for 18V tools (BC/BD/BH/BJ series) including BL1830B, BL1840B, BL1850B, BL1860B, and chargers like DC18RC, DC18SD, DC24SC. Replacement for Makita 18V batteries (194204-5, 194205-3) with seamless fit and performance. 3-Level LED Power Indicator: Equipped with a convenient 3-level LED power display. With just a simple press of a button, you can easily check the remaining battery power. This feature helps you plan your work better and avoid unexpected power outages, ensuring a smooth workflow. Advanced Safety & Durability: Built-in protection against overcharge, overheating, and short circuits. Fire-resistant ABS+PC shell and IPX4 waterproof design ensure safe operation in extreme temperatures Cost-Effective & Certified: With 500+ cycles and 12-month warranty. Perfect for professionals and DIYers seeking reliable power Wide Compatibility： Seamless fit for 18V tools (BL/BC/BD/BH/BJ series) and chargers (DC18RC/DC18SD/DC24SC). Extended Runtime： 6Ah capacity delivers 30% longer usage vs standard 5Ah batteries, ideal for heavy-duty drills, saws, and outdoor power tools. Smart Power Monitoring： 3-level LED indicator instantly shows remaining charge (25%/50%/100%), preventing workflow interruptions. Certified Safety： With built-in protection against overcharge, overheating, and short circuits. Proven Value： Engineered for 500+ cycles. No-brand alternative with professional-grade performance.