You might have luck with a cheap battery replacement. These could be had for about 30 bucks two years ago (by an Apple Authorized Reseller). Displays were also

You might have luck with a cheap battery replacement. These could be had for about 30 bucks two years ago (by an Apple Authorized Reseller). Displays were also dirt-cheap, unlike today's devices where the display is almost as expensive as a new device. Edit: meant as reply to throwhauser