The 100% genuine 18V Makita 6Ah Battery (BL1840/BL1830B/BL1850B/BL1850/BL1860/BL1815) offers extended runtime, optimized temperature control, and compatibility with 40+ Makita tools. Its lithium-ion cells ensure 2x faster charging than generic alternatives, while built-in safeguards prevent overloading.… What Makes the 18V Makita 6Ah Battery a Reliable Replacement?