I have a hand-me-down Surface Pro. The battery at full charge, according to Windows' power management shows it can last between 2 to 3 hours.
I'd like to extend the working time and the only original product that is created by Microsoft is the Surface Power Cover which is sadly not sold in Australia and no local seller has it here.
amazon is selling it for $119 or $130 which seems like a good price but sadly they don't deliver here.
Is anyone here using a Power Bank and would like to share their setup?
Just get it from ebay.
http://www.ebay.com/itm/Microsoft-Power-Cover-Battery-Chargi…
for example, search around might be something cheaper there who knows :)