[Battery specification] Brand New| Battery Type:Li-ion| Real Capacity:3.5Ah| Voltage:40V| Watts:140wh
[Perfect compatibility] Compatible with black&decker lbx1540, lbx2040, lbxr36, lbxr2036 all 36v/40v cordless power tools. Charge with all 36v or 40v Max chargers, holds a charge up to 7x longer than NiCad
[Product advantages] Use high quality lithium cells to produce this battery, no memory effect, can be charged or discharged as needed without capacity reduction.3.5Ah real capacity gives longer runtime and stronger power, make you work more effective
[Safe and reliable] Integrated LED battery charge level indicator allows user to monitor battery using,Built-in integrated microchip prevents overcharging, self-discharge and lengthens battery life. Comply with FCC RoHS and CE security testing standards.
[What You Get, Customer Service]: 1 packs batteries, Manual. 30-day money back and 12-month limited warranty. CONTACT US: Please contact through "Your Orders" tab in Amazon account (allow 24hrs for reply), we will give you the most satisfactory solution.