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hajime
Aug 8, 2012, 07:46 PM
Hello, supposing that I fully charge the MBA (2012 summer model, 2GHz i7 [u p to 3.2GHz under turbo boost], 8GB RAM, 512GB SSD) and use it to surf the web. How many hours can it last? Does it make any difference if I opt for the 255 SSD? How is the battery life if I use the MBA for other operations? Thanks.



gnagy
Aug 8, 2012, 10:54 PM
Hello, supposing that I fully charge the MBA (2012 summer model, 2GHz i7 [u p to 3.2GHz under turbo boost], 8GB RAM, 512GB SSD) and use it to surf the web. How many hours can it last? Does it make any difference if I opt for the 255 SSD? How is the battery life if I use the MBA for other operations? Thanks.

That's going to depend on many things:
- screen brightness
- keyboard brightness
- what pages you are surfing

The size of the SSD and amount of RAM will not make any difference at all.

I would say the 7 hours apple mentions is fairly accurate for light use like browsing.

Ndynslvr
Aug 8, 2012, 11:11 PM
That's going to depend on many things:
- screen brightness
- keyboard brightness
- what pages you are surfing

The size of the SSD and amount of RAM will not make any difference at all.

I would say the 7 hours apple mentions is fairly accurate for light use like browsing.

The CPU chip will though, although not by much.

The weaker, the longer.

wolfpuppies3
Aug 9, 2012, 08:32 AM
and it got an honest 5-6 hours for me until I installed ML which dropped it considerably. Ars Technica reports that you lose about 38% battery life with ML vs Lion.