I personally have a compact camera in late 2004, with a viewfinder. This device works with two R06 type batteries. My big concern is that everything I bought battery material did not take the load, with the partial exception of Varta Ready to Use.
Upon receipt of the package, I put in my two Duracell batteries Sony digital camera. And miraculously, they were actually preloaded, and I was able to use them immediately.
For now, they continue to hold a charge, and I do not suspect that what is written on the blister "retains 80% of its charge for 12 months," is false.
So while waiting to judge the long term, I believe that much better than the Varta, Duracell is reliable and will allow me to maintain sufficient autonomy for at least several months.
I recommend buying them for people using APN with the same energy as mine, or wireless mice and joysticks.
But I put forward as priority clients the owners of APN driven by batteries R06.