BTI 4-cell Dell 3564mAh Battery

BTI notebook battery, compatible with Lenovo ThinkPad X13 Gen 2 / Gen 3. Replaces the following OEM P/N: L20C4P73, L20D4P73, L20L4P73, L20M4P73, SB10W51920, SB10W51921, SB10W51956, 5B10W51818, 5B10W51819, 5B10W51820, 5B10W51855, SB10W51919 We recommend: Advance exchange for this product is available directly through Origin Storage throughout the 18-month warranty period.