42T4534, 42T4535, 42T4536, 42T4537, 42T4538, 42T4540, 42T4541, 42T4542, 42T4543, 43R9253, 43R9254, 43R9255, 43R9256, 42T4564, 42T4565, 42T4834, 42T4835, 45N1171. Original LENOVO Battery for ThinkPad X200, X200s, X201, X201s Series.
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