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Battery Guide for Digital Cameras
Digital cameras are notorious for being extremely power hungry devices. If you take into consideration that the batteries are used to power the imaging system, the LCD, flash, CCD and storage system it comes as no surprise. Add to the mix, the newer generation cameras with Image stabilisation and high-powered zoom, the power requirements get even higher. Most digital cameras will drain a normal set of batteries in just one shooting session. Choosing the right batteries will not only save you money, but will also prevent you from missing a memorable moment due to flat batteries.
Propriety or standard batteries:
Before buying a digital camera you should give some thought regarding the batteries it uses. Depending on the digital camera model, the camera will make use of either normal sized batteries (AA sized) or a propriety battery pack created specifically for that camera. Both of these have advantages and disadvantages you should take note of:
Normal battery
+ Less expensive than propriety batteries
+ Easy to find
+ Can be used in other devices
+ Able to use alkaline batteries in an emergency
- Normally lasts for a shorter period of time than propriety battery packs
Propriety battery
+ Can be used for a longer period of time before depleted
+ Normally charges in a shorter amount of time
+ Optimised for your camera
- More expensive
- Can be difficult to locate a replacement
- Can often only be used with a specific camera model or line of manufacturers products
Most often it is best to choose a camera that uses normal sized AA batteries. It will make it much easier for you to find replacement batteries. However some high-end cameras can only use propriety batteries. This should not prevent you from buying the camera, just make sure that you will be able to get a replacement battery when needed. It is also a good idea to buy a spare battery when buying the camera. This will ensure that you will have a spare when needed. (Especially if it takes a long time to order a replacement).
Battery Power Rating:
The amount of power a set of batteries can provide is depicted as a mAh (Milliampere-hour) rating. When buying batteries for your camera, you should look for batteries that offer the highest possible mAH rating. For digital cameras a 2000 mAh or higher rating works best.
Battery Types:
There are various kinds of batteries in use today. The main difference between them is the technology they use, the amount of power they can supply and whether they are rechargeable.
If you plan on using your digital camera on a regular basis you should definitely invest in a good set of rechargeable batteries. The best option would be to choose either NiMH or Lithium Ion batteries. This might seem expensive, but when you consider that they can be recharged multiple times and last longer, they will soon pay for themselves.
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Your new battery comes in a discharged condition and must be charged before use. Upon initial use (or after prolonged storage period) the battery may require two to three charge/discharge cycles before achieving maximum capacity. If the battery is not going to be used for more than a month, it is recommended that it be removed from the device and stored in a cool, dry, clean place. It is normal for a battery to become warm during charging and discharging. A charged battery will eventually lose its charge if unused. It may therefore be necessary to recharge the battery after a storage period.
1. Do not short-circuit a battery. A short-circuit may cause damage to the battery.
2. Do not drop, hit or otherwise abuse the battery as this may result in the exposure of the cell contents, which are corrosive.
3. Do not expose the battery to moisture or rain.
4. Keep battery away from fire or other sources of extreme heat. Do not incinerate. Exposure of batteries to extreme heat may result in an explosion.
The life of a rechargeable battery operating under normal conditions is generally between 500 to 800 charge-discharge cycles. This translates into one and a half to three years of battery life for the average user. As your rechargeable battery begins to die, you will notice a decline in the run time of the battery. When your two-hour battery is only supplying you with an hour's worth of use, it's time for a new battery.