About the BTI Battery
BTI 02DL030-BTI 4-CELL 15.36V LI-ION BATTERY COMPATIBLE WITH 02DL030, 5B10W13935, SB10T83119, SB10T83178, 02DL031, L18C4P90, SB10T83120, 5B10W13933, L18D4P90, SB10T83176, 5B10W13934, L18M4P90, SB10T83177, THINKPAD L13 20R3, L13 20R4, L13 YOGA 20R5, L13 YOGA 20R6