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Sony PCG-SR21K Power Adapter
The Sony PCG-SR21K power adapter is responsible for two things, to charge the onboard battery while simultaneously providing power for the laptop. Due to the fact that one Sony adapter powers multiple other machines, be certain you select the correct one for the PCG-SR21K model. A universal power adapter is a possibility if you absolutely need to. When choosing a new AC charger, the actual Sony brand is always going to be the safest and easiest way to go. If buying off-brand, please check on both the voltage and amperage output.
What are some hints that my power adapter is on its last leg?
- The laptop does not operate while just using AC power
- Your Sony battery refuses to charge every time
- Most Sony adapters get warm when they are plugged in for a period of time
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It is always best to make note of the OEM part number before buying a power adapter replacement. Your Sony PCG-SR21K will be better off if you buy smart! Make sure to try and buy replacement parts from a reputable seller if you purchase through a website. Sony PCG-SR21K power adapter is going to be better in factory new condition because of wear and tear on an older one.
Feel free to download your manual for help.
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