【100% COMPATIBLE】Our Black and Decker 40v lithium battery is compatible with 40V Black and Decker LBXR36, LBXR2036, LBX1540, LBX2540, LBX2040 cordless tool, we suggest you’d better confirm the model before purchasing 【UPGRADED HIGH-CAPACITY】3500mAh new upgraded high-capacity replacement battery for Black and Decker 40v battery, the use time is better than the original 2.0Ah battery, making your tool last longer, the battery is more durable, and it can also reduce the number of charging times and make the battery life longer 【HIGH-QUALITY CELLS】Our replacement battery compatible with Black and Decker 40V lithium which is made of high-quality cells, and an adaptive chip is added to stabilize current and voltage, which can provide over-charge protection, over-current protection, over-voltage protection, and over-temperature protection. In the event of an accident, the battery will protect your tool 【FIT YOUR CHARGER】The charging interface of our battery is the same as that of the original 40volt battery, which can perfectly match your charger. In addition, our batteries are the same size as the original, perfectly matching your tool, and installation and removal is as easy as the original 【SAFE AND RELIABLE】Our replacement for 40V Black and Decker lithium battery has passed FCC, CE, RoHS certification, no memory effect. In order to prolong the life of the battery, it is recommended to wait for the battery to rest for a while after use or fully charged before charging or using it, so as to prevent the battery from being overheated and damaging its life. If you encounter any problems before purchasing or using, please feel free to contact us 3500mAh 40V Battery Replacement for Black and Decker 40V Lithium-Ion Battery LBX2040 LBX36 LBXR2036 40Volt Battery Compatible with Black and Decker 40V Battery MAX Series Cordless Power Tools