I didn't think the A2 could use rechargeable? That would be the route to go definitely. Do you have a link for me on where to find theses???? Much Thanks!
Using rechargeables in the A2 is a bit of a risky proposition. I haven't done it. There are 2 problems, as I see it. The first is that many R123 (rechargeable CR123A sized cells aka R-CR123) just do not fit the A2. I seem to remember that powerizer brand R123s fit. There are a couple of threads about running the A2 on rechargables on CPF somewhere. Ah...
here is one.
The second problem is that the voltage to the LEDs rises when you put R123 cells into the A2. (The bulb is unaffected though.) This means that the LEDs may be driven harder and you may experience premature LED failure or tint (colour) change.
You can get quality USA made CR123 for as little as 1.20 each in quantities of 50 from
lighthound.com. Indeed, batterystation sell them for 1.25 each (
cpf special price) with no minimum order quantity. By the way, batterystation has changed their batterystation branded batteries to made in USA - apparently they are made in the same factory that does surefire, energizer, duracell etc.
I have been running ray-o-vac CR123 that I got from batterystation as a special deal of $75 for 50 CR123A - I think that deal is still going. I have had no problems with the ray-o-vacs, in fact, they have lasted longer than the 60 minuted rated runtime of the A2.