Fidelity is certainly in a different ballpark to even the best disposable film cameras ... for use with some of the best AA rechargeable batteries. The Kodak PixPro FZ45 works well for snapshots ...

So [Jean] decided to turn a few of his disposable cameras into an external flash system for his DSLR (Translated). He started by taking apart a Kodak digital camera and examining the circuit board.

This project shows you how to hack a disposable camera into a battery revival device. This could be very cost effective. A single regular AA battery could revive many Ni-Cads. Remember ...