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Fujitsu LIFEBOOK B3020D Power Adapter
If buying off-brand, make sure to check the output of amps and voltage. When purchasing a replacement adapter, choosing the Fujitsu brand one is usually going to be the safest choice. A universal AC adapter is a possibility if yours is unavailable or backordered. The Fujitsu LIFEBOOK B3020D AC adapter is responsible for two things, to charge up the main battery while simultaneously providing power for the laptop. Because Fujitsu has been known to use a single AC adapter that can be used on other units, double-check the part number or model number of the adapter.
Warnings of a poorly working power adapter
- The laptop does not run while just using AC power
- Battery does not charge up at all
- Most Fujitsu AC adapters will get very warm to the touch when they are plugged in for a period of time
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