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Lenovo IdeaPad U550 Power Adapter
The Lenovo IdeaPad U550 AC adapter is needed for two reasons, to charge any and all batteries while simultaneously providing power for the laptop. When purchasing a replacement AC charger, the actual Lenovo brand will probably be the safest way to go. If buying off-brand, make sure to check both the volts and amps outputs. Due to the fact that one Lenovo adapter is probably used on other similar units, be sure you choose the right one. A universal AC adapter can be used if you absolutely need to.
Hints your power adapter needs replacing
- The unit will not run while just using AC power
- Battery does not charge up every time
- Most Lenovo AC adapters get warm when they are plugged in for a period of time
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