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Lenovo ThinkPad T450S Power Adapter
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. When purchasing a replacement AC charger, selecting the Lenovo OEM charger will probably be the safest way to go. The Lenovo ThinkPad T450S power adapter is responsible for two things, to charge up the main battery and powering the laptop. A universal AC adapter can be used if you absolutely need to. If buying off-brand, make note of both the volts and amps outputs.
Signals of a weak laptop charger
- Your Lenovo battery refuses to charge every time
- The unit will not work using just the AC power adapter
- Most Lenovo AC adapters will get warm to the touch when plugged in for any length of time
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