?Wide Compatibility?Perfect replacement 40v black decker battery and LCS36 LCS40 charger set, fully compatible with all your black and decker 40V LST540 LCS1240 LST136W cordless power tools. ?Excellent Battery?The 40 volt MAX battery replaces all black and decker 40v lithium battery LBX1540 LBX2040 LBX2540 LBXR36 LBX36 LBXR2036. Built-in ECP smart protection chip prevents overcharging & lengthens battery life. ?High-quality charger?The 40 volt MAX charger replaces for black decker 40v battery charger LCS36 LCS40, compatible with all Black & Decker 36V or 40V MAX lithium battery. Integrated microchip against potential damage caused by overcharging, overheating and short-circuit. ?Charger Advantages?Charger with Universal 100V to 240V voltage input. LED indicator helps to monitor charging status. Cooling vent for heat dissipation.