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Lenovo ThinkPad 4286 Power Adapter
Because Lenovo has been known to use a single AC adapter that is probably used on other similar units, double-check the part number or model number of the adapter. The Lenovo ThinkPad 4286 power adapter has two main uses, to charge any and all batteries and to provide a source of power for the unit. When purchasing a replacement charger, selecting the Lenovo OEM charger is usually going to be the safest choice. If your decision is to purchase a different brand charger, it is imperative to note the output of amps and voltage. A universal power adapter can be used if yours is unavailable or backordered.
What are the clues to watch out for to know my charger is about to stop working?
- Most Lenovo AC adapters can get quite warm when plugged in for any length of time
- The laptop does not operate while solely using the AC adapter
- Your Lenovo battery refuses to charge up at all
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