DR. BATTERY Replacement for IBM ThinkPad T400s — T400s 2801 / 2808 / 2809 / 2815 / 2823 / 2824 — Compatible with 42T4691 / 42T4832 / 42T4833 / 51J0497 / ASM 42T4691 / FRU 42T4688

DR. BATTERY replacement compatible with IBM ThinkPad T400s laptops. Fits T400s model numbers 2801, 2808, 2809, 2815, 2823 and 2824. Cross-references include part numbers 42T4691, 42T4832, 42T4833 and 51J0497, and it corresponds to ASM 42T4691 and FRU 42T4688. Designed to be a direct-fit substitute for devices using these specific model and FRU/ASM numbers.