This Acer aspire 4920g battery compatible with following models:

Li-ION Battery for Acer Aspire 2930 4310 4315 4520 4530 4710 4720 4720Z 4720g 4730 4730z 4920 4920G 4935 5332 5516 5535 5536 5735z

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acer aspire 4920 battery | eBay

3. How to deal with my acer aspire 4920G laptop battery when it is not used?
Don't leave your acer aspire 4920G battery inactive for extended periods of time. The battery should be re-installed every 3-4 weeks and allowed to fully discharge. Leaving a battery in storage for longer than this without using could cause the battery to fully discharge as the circuitry of the acer aspire 4920G battery itself consumes power.

When charging laptop battery for the first time your computer may indicate that charging is complete after just 10 or 15 minutes. This is a normal phenomenon with rechargeable batteries. Simply remove the Acer Aspire 4920G battery from the computer and repeat the charging procedure.


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Laptop battery run-time depends upon power demands made by the equipment. The use of the screen, the hard drive and other accessories results in an additional drain upon the battery, effectively reducing the Acer aspire 4920g battery's run-time. The total run-time of aspire 4920g battery is also dependent upon the design of equipment. Generally, a new Hi-Capacity Acer aspire 4920g battery will run 30% to 50% longer than the old one.

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