Better-Power High quality laptop battery for Lenovo Thinkpad X230 230i X220 X220i X220s 0A36282 0A36283 42T4861 42T4867 42T4875 42T4876 42T4901 42T4902 42Y4864 45N1019 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