
BATTERY TYPES
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AVI
Short for Audio Video Interleaved, .avi files are one of the most common formats for
storing audio and video captured with a digital camera. Even though AVI is considered a
Microsoft Windows format, most variants of it play on Macintosh computers as well. If
your digital camera records video, chances are good that you’ll see this file designation
on your memory card. Other common video formats used on digital cameras include
.mov (QuickTime movie) and .mpeg (Motion Picture Experts Group).
Battery Types
If your camera came with alkaline AA batteries, use them for testing and then replace
them as soon as possible with rechargeable nickel-metal hydride (NiMH) batteries,
which last much longer than alkalines and will save you lots of money over time. It’s
always good, however, to keep a fresh set of alkalines handy in case your NiMHs run out
of juice while you’re away from the charger. Another good practice is to have two sets
of the rechargeables, so one’s always ready to use. ey’re a little expensive at first, but
much cheaper than buying new alkalines over and over.
Lithium-ions are very popular with major camera makers such as Sony, Nikon, and Canon.
Most of these cameras come with their own proprietary battery and its matching charger.
Lithium-ions typically have great capacity and hold their charge for a long time, but you
might ...