Replacement for BLACK+DECKER 40V MAX Battery, Compatible with 36V and 40V MAX Power Tools Perfect Replacement For Black and Decker 40V Battery: Perfect Replacement for Black and Decker 40V Battery LBX2040 LBXR36 LBXR2036 LST540 LCS1240 LBX1540 LST136W. Makes Your Tools More Runing Time Attention: Only replacement for Black and Decker. Not compatible with Craftsman, Kobalt, SKIL, Makita, Worx, etc. Batteries of different brands cannot be shared with each other. Longevity Enhanced & Smart Ecp Protection: With a Recharge Cycle of 1000 Times and a Mere 1% Self-discharge Rate, Replacement for Black and Decker 40V Battery Ensures Flawless Operation for Up to 5 Years. Enhanced by a Battery Management System (BMS), It Provides Effective Protection Against Potential Damage from Short Circuits, Overcharging/Discharging, Over-voltage, and Overheating Don't Buy Inferior or Uncertified Batteries: Do not purchase low-quality batteries (unauthorized batteries), be cautious as batteries may turn into 'bombs.EDRF all products are certified by 𝐔𝐋/𝐂𝐄/𝐂𝐄/𝐅𝐂𝐂/𝐏𝐒𝐄/𝐑𝐎𝐇𝐒/𝐈𝐒𝐎𝟗𝟎𝟎𝟏/𝐂𝐁/𝐌𝐒𝐃𝐒/𝐔𝐍𝟑𝟖.𝟑, Fully Certified,Guaranteed Safety One Year replacement : Enjoy a worry-free 1-year replacement. Excellent After-Sales Service: 24 hours Online Support. You can ask me at any time, and I will be happy to answer your questions. Any questions please click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller" Replacement for BLACK+DECKER 40V MAX Battery, Compatible with 36V and 40V MAX Power Tools