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Lenovo ThinkPad 4294CTO Power Adapter
If buying off-brand, make note of the output of amps and voltage. 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. The Lenovo ThinkPad 4294CTO power adapter is needed for two reasons, to charge up the main battery while simultaneously providing power for the laptop. Upon choosing a replacement AC adapter, the actual Lenovo brand is usually going to be the safest choice. A universal AC adapter is another possibility if you are desperate.
Major indications to watch for in a bad power adapter
- Most Lenovo adapters get warm 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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