Well and truly past the point of no return -
http://www.flickr.com/photos/42429138@N05/7151940549/sizes/l/in/photostream/
Only mishap so far was finding out that the reed switches I was going to use to connect the battery to an external charging point aren't as strong as I'd hoped!
http://www.flickr.com/photos/42429138@N05/7151939823/sizes/m/in/photostream/
Fingers crossed the numerous soldered connections hold and the battery doesn't overheat inside the frame!
(Edit: correct type-o)
