[Battery specifications] Brand new Li-ion battery with a real capacity of 3.5Ah, a voltage of 40V, and 140wh of power.
[Compatibility] Compatible with black&decker lbx1540, lbx2040, lbxr36, lbxr2036 all 36v/40v cordless power tools. Can be charged with all 36v or 40v Max chargers and holds a charge up to 7x longer than NiCad.
[Advantages] Utilizes high quality lithium cells, no memory effect, and can be charged or discharged as needed without capacity reduction. 3.5Ah real capacity provides longer runtime and stronger power for more effective work.
[Safety and reliability] Integrated LED battery charge level indicator for monitoring and built-in integrated microchip to prevent overcharging, self-discharge, and prolong battery life. Meets FCC RoHS and CE security testing standards.
[Included in package, Customer Service]: 2 packs of batteries, Manual. 30-day money back guarantee and 12-month limited warranty. CONTACT US: Please contact through "Your Orders" tab in Amazon account (allow 24hrs for reply), we will provide the most satisfactory solution.