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Lenovo B490 Power Adapter
If your decision is to purchase a different brand charger, it is imperative to note both the volts and amps outputs. Upon choosing a replacement AC adapter, the actual Lenovo brand will probably be the safest way to go. The Lenovo B490 AC adapter provides two functions, to charge any and all batteries and powering the laptop. A universal power adapter can be used if you are desperate. Because Lenovo uses one power charger that is probably used on other similar units, make sure you check the part number for the correct one.
General indicators that your the power charger should be replaced
- Most Lenovo adapters get warm when plugged in for any length of time
- Your Lenovo battery refuses to charge up at all
- The unit will not function while solely using the AC adapter
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Always order computer parts from a reputable seller when you buy your parts online. It is always best to re-check the part number before buying a power adapter replacement. Lenovo B490 power adapter will be better for your laptop brand new for obvious reasons, including possible wear on an older one. The Lenovo B490 will love you more for thinking before buying.
Feel free to download your manual for help.
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