If the LCD display is off, many cameras use
hardly much more power when turned on than when turned off.
?– Use AC power when it??™s available When you??™re transferring images to the PC, don??™t
rely on battery power. You should have an AC adapter to power the camera when you??™re
working at your desk near electrical power. If your camera didn??™t come with an AC
adapter, it??™s probably wise to invest in one for exactly this reason. The AC adapter might
also come in handy if you??™re shooting a lot of pictures inside a house from a somewhat
stationary position. You can save battery life for when you really need it by tethering
yourself to an AC outlet.
If your batteries die in the middle of a shoot and you don??™t have any spares, here??™s
a trick you can try that might give you a few extra shots: turn the camera off, wait a
minute, and then turn it back on. Often you can sneak in a few more pictures before the
batteries are completely exhausted.
Batteries Wear Out
Rechargeable batteries lose a teeny little bit of their life every time you charge them.
Most types of rechargeables last for about 1,000 charges, after which they stop holding
a meaningful charge and you need to throw them away. You can extend the life of these
batteries by recharging only them when they??™re actually run down; ???topping them off??? is like
a regular recharge in that it heats the chemicals in the battery casing, which slowly reduces
the battery??™s life.
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