0A36317, 45N1076, 45N1077, 42T4879, 42T4880, 0A36285, 0A36286, 42T4877, 42T4881, 42T4882 etc. Lenovo ThinkPad X220, X220t, X220i, X230 Tablet Series. Ideal for charging your spare battery outside the laptop.
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