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Lenovo ThinkPad L420 Power Adapter
The Lenovo ThinkPad L420 power adapter has two main uses, to charge any and all batteries while simultaneously providing power for the laptop. If you decide to buy an non-Lenovo adapter, make sure to check both the voltage and amperage output. Due to the fact that one Lenovo adapter is probably used on other similar units, make sure you check the part number for the correct one. Upon choosing a replacement AC charger, selecting the Lenovo OEM charger is the best one to choose. A universal AC adapter can be used if you absolutely need to.
Warnings your AC adapter is failing
- Most Lenovo AC adapters get warm when plugged in for any length of time
- Your Lenovo battery refuses to charge completely
- The unit will not run using just the AC power adapter
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Be sure to always get electronic parts from a site you know when you buy your parts online. It is always best to note the part number before placing an order for a new power adapter. Lenovo ThinkPad L420 power adapter should be purchased new for a variety of reasons, including wear and tear on any old power adapter that may occur. The Lenovo ThinkPad L420 will be better off for buying the right way!
Feel free to download your manual for help.
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