Think Crucial Replacement for Black & Decker LBXR20 20-Volt MAX Extended Run Time Cordless Tool Battery, Fits All Black & Decker 20 Volt Max lithium Ion Cordless Tools MAXIMUM DURABILITY Black & Decker LBXR20 20-Volt MAX Extended Run Time Cordless Tool Battery that is guaranteed to last longer than you may have expected! LONG LIFE because this battery has a longer runtime and improved performance. It can last up to 500 days! EASY TO INSTALL because it fits perfectly to LST220, LHT120, LPHT120, LSW120, LPP120, LCS120, LLP120, LGC120, LDX120SB & SSL20SB-2 lithium ion power tools. IMPROVED PERFORMANCE when you have a battery with a full charge like this. Your power tools like they are brand new! GUARANTEED SATISFACTION because of a 30 day full money bank guarantee and a trusted Think Crucial warranty. We are so confident in our products that we have no problem giving you every penny back if you're unhappy with your purchase. You won't see promises like that from big box brands!