Lesson 9: Batteries

Rechargeable BatteriesBatteries are another very important aspect that you will have to take into consideration. Some digital cameras (mainly the DSLRs) come with their own rechargeable batteries, so the only thing you can do after you get your camera is to see if this one is enough for you and if not, you can buy another one (or more), so you can change them in case you need to. If the camera doesn’t come with it’s own rechargeable battery then in most cases it will be compatible with standard AA ones. Choosing which one to buy can be a discouraging job since there are so many models on the market today. This can be very much simplified if you take into consideration this two aspects:

1. Number of mAh (milliampere-hour): This is a characteristic of rechargeable batteries that tell us how much current can they give. The bigger the value is, the longer the batteries will resist until you will have to recharge them again. Common good values today rise from 2500 mAh up.

2. Recharging device: The main thing that is important about these devices is the speed of recharging. It is not as important as batteries capacity, but sometimes can matter a lot. Basically there are two categories: normal rechargers and fast rechargers. With the first ones you can recharge your batteries within approximately 12 hours, sometimes more, which is a considerable time that can be very important in some situations. The second ones, on the other hand, can recharge your batteries in about 3 hours, some models even faster. The fast recharging is also a recomanded way to do it.

I hope these informations will make the job of choosing the right rechargeable batteries a lot easier for you.

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