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Sony VGN-SZ400 Power Adapter
If your decision is to purchase a different brand charger, please check on the output of amps and voltage. Because Sony uses one power charger that powers multiple other machines, be sure you choose the right one. The Sony VGN-SZ400 power adapter has two main uses, to charge the onboard battery and powering the laptop. When purchasing a replacement charger, selecting the Sony OEM charger is usually going to be the safest choice. A universal power adapter is another possibility if yours is unavailable or backordered.
General warnings of a declining AC adapter
- The unit will not work without the battery installed
- Battery does not charge up whatsoever
- Most Sony adapters will get very warm to the touch when plugged in for any length of time
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