For Acer AO725, available external batteries

I have the Acer AO725 and the battery lasts for about 4 hours if I'm lucky with the lowest possible settings in everything. I was wondering if there are any available universal or specifically designed external battery chargers that could just be plugged into the laptop when I'm at school without having to look for outlets to charge it.

I'm looking for something could prolong the life by about 2-3hrs, is lightweight and can plug into one of the USB ports in the laptop such as cell phones have.

If there are phone chargers that are powerful enough to charge my laptop model I'd be open to buying that as well.

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sathya0403

Hi,

There are various models of power banks available in ebay & amazon, starting from 15000Mah, you may get any of them, to increase the standby time,. Cheers