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Re: Digital camera batteries at altitude

September 20 2005 at 10:20 AM
DougPaul  (Login DougPaul)


Response to Digital camera batteries at altitude

 

Batteries are sensitive to temp, not altitude (unless they vent or burst) and digital cameras draw high currents for short periods.

The Canon A70 uses AA batts--commonly available in the following technologies:
* Alkaline (nonrechargable): poor high current capability, poor low temp performance, medium weight
* NiMH and NiCad rechargable: good high current capability, medium low temp performance, heavy
* Lithium (nonrechargable): good high current capability, good low temp performance, light weight

I'd hazard a guess that you were using alkaline batts--a poor choice for this application under any conditions. I use NiMH cells most of the time in my camera and lithium cells if weight or temp is an issue. If I am hiking, spare batts are lithium to save weight.

BTW, Lion (lithium ion, lithium rechargable) have good high current capability, medium low temp performance, and light weight. Found in many digital cameras. Not available in AA or AAA form factor.

Doug

 
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