Compatible Part Numbers: 0C52861 0C52862 121500146 121500147 121500148 45N1124 45N1125 45N1126 45N1127 45N1128 45N1129 45N1134 45N1135 45N1136 45N1137 45N1734. This battery is NOT compatible with: ThinkPad P50s, ThinkPad T460s, ThinkPad T430s, ThinkPad X240s, ThinkPad X270.
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