Designed as a replacement for Makita 18-21V power tools, this 20V 6.0Ah lithium battery features 5 high-rate Samsung 21700 cells for strong and stable performance. With a slim 1.18-inch profile, it’s lightweight and fits easily into tight spaces. Equipped with a triple MOS protection board, it safeguards against overcharge, over-discharge, overheating, and short circuits for enhanced safety and durability. Compared to original 18V 6.0 batteries, it offers better portability and cost-effectiveness, helping you work more efficiently in various scenarios.