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Lenovo E40-70 Power Adapter
If your decision is to purchase a different brand charger, make note of both the volts and amps outputs. Because Lenovo uses one power charger that can be used on other units, make sure you check the part number for the correct one. When choosing a new AC charger, choosing the Lenovo brand one will probably be the safest way to go. The Lenovo E40-70 AC adapter has two main uses, to charge up the main battery and powering the laptop. A universal AC adapter is another possibility if you are desperate.
Signs your laptop charger will not live much longer
- The laptop does not operate while just using AC power
- Your Lenovo battery refuses to charge completely
- Most Lenovo AC adapters can get quite warm when plugged in for any length of time
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