Better-Power High quality Laptop Battery For Lenovo ThinkPad X200 X200s X201 X201S X201i 42T4534 42T4535 42T4835 FRU 42T4649 42T4542 42T4540 42T4538 42T4536 5200mah(with samsung cells) with Samsung cells ,with high capacity, with high quality Over-charge protection; Over-discharge protection; Over-heat protection; Over-current protection; Short-circuit protection; High capacity circulatory function over 10 years' exprience of manufacturing battery Warranty: 3 years warranty, 30 days money return guarantee Manufacturer Directly Sell