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Sony VGN-AR870 Power Adapter
If you decide to buy an non-Sony adapter, it is imperative to note both the voltage and amperage output. Upon choosing a replacement adapter, choosing the Sony brand one will probably be the safest way to go. The Sony VGN-AR870 AC adapter is needed for two reasons, to charge any and all batteries while simultaneously providing power for the laptop. Because Sony has been known to use a single AC adapter that can be used on other units, make sure you check the part number for the correct one. A universal power adapter is a possibility if you are desperate.
What are the signs that the Sony power adapter is almost dead?
- Most Sony adapters get warm when plugged in for 10 minutes or more
- Your Sony battery refuses to charge up completely
- The laptop does not operate while solely using the AC adapter
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