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Lenovo M40-70 Power Adapter
If buying off-brand, make note of both the volts and amps outputs. Because Lenovo has been known to use a single AC adapter that powers multiple other machines, make sure you check the part number for the correct one. When choosing a new AC adapter, the actual Lenovo brand is always going to be the safest and easiest way to go. A universal power adapter is a possibility if you are desperate. The Lenovo M40-70 AC adapter is responsible for two things, to charge up the main battery while simultaneously providing power for the laptop.
Red flags of a weak charger
- Most Lenovo adapters get warm when they are plugged in for a period of time
- Your Lenovo battery refuses to charge all the time
- The laptop does not operate while just using AC power
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Please be sure to re-check the part number so that you correctly order the right power adapter. Make sure to try and get replacement parts from a site you know if you purchase through a website. Lenovo M40-70 power adapter will be better for your laptop in new condition because of wear and tear on an older one. Your Lenovo M40-70 will thank you if you buy the right parts.
Feel free to download your manual for help.
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