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Lenovo ThinkPad W520 Power Adapter
If your decision is to purchase a different brand charger, make sure to check both the volts and amps outputs. The Lenovo ThinkPad W520 AC adapter is needed for two reasons, to charge the onboard battery and powering the laptop. When purchasing a replacement charger, choosing the Lenovo brand one is usually going to be the safest choice. A universal power adapter can be used if yours is unavailable or backordered. Because Lenovo uses one power charger that is most likely used on other laptop models, be certain to thoroughly note the part number that is needed for this model.
Clues your AC adapter will need to be replaced
- The laptop does not operate without the battery installed
- Your Lenovo battery refuses to charge at all
- The majority of Lenovo power chargers can get quite warm when plugged in for any length of time
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