Replace black decker 40 volt lithium-ion Batteries have 3.0AH capacity offering long-lasting performance and durability. Built-in charge indicator displays remaining run-time for less downtime on the job and keeps you up on charge status. Replacement Black&Decker 40v MAX battery LBX2040 LBXR36 LBXR2036 LST540 LCS1240 LBX1540 LST136W bxr2036 and fit all black decker 36v/40v cordless power tools. Charge with all black decker 36v or 40v Max chargers. The new upgraded battery has a difference from other 3.0Ah battery, not only improved the capacity, but also the performance. providing up to 20% more power and holds a charge up to 2x longer than other battery mpact-resistant outer case and shock-absorbing inner-liner are engineered and Built-in 18650 Cells to provides optimized performance and overload protection using total system communication between tool, battery and charger