@sansamatt wrote:
Here’s a thought: buy a 1GB and harvest it for spare parts.
This sounds like a good idea at first, but the Wikipedia article about Li-ion bettery shelf-life doesn’t look too reassuring:
A unique drawback of the Li-ion battery is that its service life is dependent upon aging (shelf life). From time of manufacturing, regardless of whether it was charged or the number of charge/discharge cycles, the battery will decline slowly and predictably in “capacity”. This means an older battery will not last as long as a new battery due solely to its age, unlike other batteries. […]