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Lenovo B470 Power Adapter
If buying off-brand, please check on both the volts and amps outputs. The Lenovo B470 power adapter is needed for two reasons, to charge the onboard battery and powering the laptop. Because Lenovo uses one power charger that is most likely used on other laptop models, make sure you check the part number for the correct one. A universal AC adapter is a possibility but only if necessary. When purchasing a replacement AC charger, selecting the Lenovo OEM charger will probably be the safest way to go.
Some warnings your power adapter will need to be replaced
- The majority of Lenovo power chargers will get very warm to the touch when plugged in for 10 minutes or more
- Battery does not charge up every time
- The laptop does not work using just the AC power adapter
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