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Lenovo B470E Power Adapter
If buying off-brand, it is imperative to note both the volts and amps outputs. Because Lenovo has been known to use a single AC adapter that powers multiple other machines, be sure you choose the right one. The Lenovo B470E AC adapter is responsible for two things, to charge the onboard battery and to provide a source of power for the unit. A universal power adapter can be used but only if necessary. Upon choosing a replacement charger, choosing the Lenovo brand one is the best one to choose.
Important clues of a declining charger
- Battery does not charge up every time
- The majority of Lenovo power chargers get warm when plugged in for any length of time
- The laptop does not run using just the AC power adapter
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