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Lenovo Y40-70 Power Adapter
Due to the fact that one Lenovo adapter is most likely used on other laptop models, be certain to thoroughly note the part number that is needed for this model. If you decide to buy an non-Lenovo adapter, please check on both the voltage and amperage output. A universal AC adapter is a possibility if you absolutely need to. When choosing a new charger, choosing the Lenovo brand one is always going to be the safest and easiest way to go. The Lenovo Y40-70 power adapter has two main uses, to charge any and all batteries while simultaneously providing power for the laptop.
Some clues your laptop charger will not live much longer
- Battery does not charge up completely
- Most Lenovo AC adapters get warm when plugged in for any length of time
- The unit will not work using just the AC power adapter
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