Battery for IBM Lenovo ThinkPad X200 X201 42T4536 42T4538 42T4542 42T4650 87Wh. Compatible Modelx200 x200s x201 x201s, 42T4536 42T4538 42T4542 43R9257. IBM:ThinkPad X200 Series,IBM ThinkPad X200S,IBM ThinkPad X201,IBM ThinkPad x201s,X201i Series.
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