battery test with video playback, gaming, web browsing, and word processing on,the Acer Aspire S7-392,break into the 4-hour runtime category, which is nearly double that of the older S7-391.

battery test :with video playback, gaming, web browsing, and word processing  on,the Acer Aspire S7-392,break into the 4-hour runtime category, which is nearly double that of the older S7-391. 
Aspire S7 Ultrabook Series laptop battery store, ACER 35Wh batteries for canada

High quality ACER Aspire S7 Ultrabook Series 4-cell laptop batteries

Voltage: 7.4V

Capacity: 4680mAh (35Wh)

Chemical: Li-ion

Color: Black

Property: new original batteries

Warranty: 9 months

Aspire S7-392 laptop battery store, ACER 47Wh batteries for canada

High capacity ACER Aspire S7-392 6-cell laptop batteries

Voltage: 7.5V

Capacity: 6280mAh (47Wh)

Chemical: Li-polymer

Color: black

Property: new original batteries

Warranty: 9 months