Brand New |Li-ion| 40 Volts Max | Full Real Capacity 2000 mAh | 80Wh(Note:please cool down the battery before recharging it.) Replace Black&Decker Black&Decker LBX2040 LBX36 Compatible with All BLACK&DECKER 40 Volt Cordless Tools. Premium LG Lithium battery cells,charging at any time without memory effect,Integrated microchip prevents overcharging & lengthens battery life. Come with a 30-day money back and a 12-month limited seller\'s guarantee against manufacturer defects from date of purchase, and 24 hours\' friendly customer service!