DR. BATTERY Replacement for IBM ThinkPad T400s / T410s Series — Compatible with T400s 2808, T410s 2904/2912/2928, T410si 2912 | 11.1V 44Wh (42T4832 / 42T4833 / 51J0497 / ASM 42T4691 / FRU 42T4688)

Replacement battery from DR. BATTERY designed for IBM ThinkPad T400s and the T410s family. Compatible model references include T400s / T400s 2808 / T410s / T410s 2904 / T410s 2912 / T410s 2928 and T410si 2912. This unit matches the original part numbers 42T4832, 42T4833, 51J0497 and is also a replacement for ASM 42T4691 and FRU 42T4688. Electrical specifications: 11.1V nominal voltage and 44Wh capacity. Easy to install, it provides full compatibility with the listed ThinkPad models and part numbers for a direct swap-in replacement.