42T4733 42T4235 42T4731 45N1001. FRU 42T4817 FRU 42T4819 FRU 45N1001. For LENOVO ThinkPad L430 L530. For LENOVO ThinkPad T420 T430,T430I T530,T530I W530I,W530. ASM 42T4796 ASM 45N1000 FRU 42T4702. Step 3: Disconnect the cable connected to the battery and then take out the battery.
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