Pocket Lint - Finally has a proper stand with variable positioning, significant screen resolution with decent viewing angles, a viable laptop alternative (if used with keyboard cover).
Winranx - If you're looking for a way to fix surface pro 3 battery life issue? Install the latest update available for your surface device.
Your tablet's shrinking battery capacity isn't a hardware problem.
Sure, everyone is fawning over the Surface Pro 4 these days. (And rightly so - it's pretty stellar.) But, considering what you might need from a PC, you might not have to plunk down a huge wad of cash for Microsoft's best yet.