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Last Updated: December 28, 2007


Generic, Proprietary Batteries

Many of the smaller cameras are switching from AA batteries to proprietary batteries since they are smaller and offer more power per cubic centimeter.  Proprietary batteries are expensive and usually cost $50-$80 each, however generic versions are now appearing for less than $20.  I use PriceGrabber.com to search for a battery model number and sometimes find generics at the bottom of the list.

Many of the smaller cameras are replacing AA batteries for rechargeable battery packs that last longer.  If your camera, portable MP3 player, or any other high drain device requires batteries, here are some good choices.




Because digital cameras drain batteries quickly, standard "AA" alkaline batteries won't last long. They cost $1 per battery.
Lithium based "photo" batteries will last up to 7 times longer than alkaline batteries and cost $3 per battery.
Rechargeable nickel metal hydride (NiMH) batteries are the best buy since they are rechargeable and don't suffer from memory problems that Nickel Cadmium (NiCd) batteries do.  They cost $5 per battery and over the long term, pay for themselves several times over.  They can be found at electronics stores and grocery stores.  They don't hold a charge as long as other batteries, so it's a good idea to have an extra set or two as spares.
Energizer makes:
  • 15 minute charger with 4 AA batteries for $40.  Charges individual batteries.
  • 7 hour travel charger with 2 AA batteries for $20.  The bottom slides out to hold up to four batteries (4 AA, 4 AAA, 2AA/2AAA).  It's considerably thinner, lighter and doesn't come with a power brick like the 15 minute charger does.
  • 2500 milliAmp AA batteries for $18.

Imaging Resource has a review of the best rechargeable batteries.  The longest lasting batteries have 2200-2500 milliAmps.


Charging the Batteries in Other Countries

Most camera battery CHARGERS automatically switch from 110v to 220v and vice versa.  All that is needed is a plug adapter.  Double check with the camera website or owner's manual to make sure.


For example, the Canon Digital Rebel XTi has a separate battery charger.  Download the owner's manual located in the "drivers and downloads" section of the website.  According to page 25 of the instruction manual,

The battery charger can also be used in foreign countries.  The battery charger is compatible with a 100 V AC to 240 V AC 50/60 Hz power source.  If the shape of the prongs is different, purchase a plug adapter for that country.  Do not attach any voltage transformer to the battery charger.  Doing so can damage the battery charger.

A Canon PowerShot SD850 IS Digital Elph does not have a separate charger.  It uses the camera as the charger.  In the "supplies and accessories" section, there isn't an external charger. The users guide that is located in the "drivers and downloads" section of the website did not mention anything about foreign countries or different power sources.    Therefore, a 110/220v voltage transformer is needed.

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