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Lenovo ThinkPad T520I Power Adapter
Because Lenovo has been known to use a single AC adapter that is probably used on other similar units, make sure you check the part number for the correct one. If you decide to buy an non-Lenovo adapter, make note of both the voltage and amperage output. A universal power adapter is a possibility if yours is unavailable or backordered. When choosing a new charger, selecting the Lenovo OEM charger is the best one to choose. The Lenovo ThinkPad T520I power adapter has two main uses, charging the battery and powering the laptop.
Major signs of an inadequate power adapter
- The laptop does not run while solely using the AC adapter
- Battery does not charge up at all
- Most Lenovo AC adapters get warm when plugged in for 10 minutes or more
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