{Upgraded}Powerextra 2500mah 40 Volt MAX Replacement Battery Compatible with Black&Decker LBX2040 LBX36 LBXR36 LBXR2036 40V Lithium Ion Battery Brand New |Li-ion| 40 Volts Max | Upgraded capacity 2500 mAh | 100Wh Charge with all black and decker 36v or 40v Max chargers, holds a charge up to 5x longer than NiCad. Compatible with black&decker lbx1540, lbx2040, lbxr36, lbxr2036,LBXR36 and fit all black decker 36v/40v cordless power tools. Integrated LED battery charge level indicator allows user to monitor battery using. 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!