The two major brands of rechargeable batteries are the NIMH batteries and the new battery on the market called the Eneloop batteries. They are highly recommended by the experts.
It is not advisable to charge different brands of rechargeable batteries in a Rayovac Smart charger.
Duracell offers good quality and easy to use rechargeable batteries. There are generic brands of rechargeable batteries out there but they are often unreliable and wear out very quickly.
Energizer produces very high quality rechargeable AA batteries. I highly suggest them, I use them in my own electronics and they work very well.
The most type of rechargable batteries are Duracell and Energizer. They have some good rechargeable batteries. Energizer just came out with two good new rechargeable batteries.
Duracell and Energizer are two reputable manufacturers for 9 volt batteries. These brands are very reliable and dependable brands. Both Duracell and Energizer offer rechargeable 9 volt batteries are well as Alkaline batteries.
Stores like Wal-Mart cell high quality rechargeable batteries. They are very good and are there for a really good price, too. Get it from there. It is a good store.
There are lots of good AA rechargeable size batteries. You can get EverReady or Duracell rechargeable they are safe convenient and cheaper than buying disposables.
If you use a lot of batteries, the long term benefit could be very good. If not, you need to weigh the cost because rechargeable batteries are very expensive and can take a while to recoup your investment.
The lifespan of rechargeable batteries is often discussed in terms of lifecycles--how many times it can be recharged without losing most of its functionality. Most rechargeable batteries are good for something around 500-1,000 lifecycles. For most types of rechargeable batteries and the things they're commonly used for, this is about 2-3 years.
The most common size batteries are AA. These batteries are used for remotes, digital cameras and a variety of children's toys. It's always a bad situation when you find yourself out of batteries when you need them a good solution for making sure this doesn't happen is to keep a constant rotation of rechargeable batteries available. When ever you replace your rechargeable batteries take the dead batteries and put them in the charger so they are ready to power the next device that runs out of power.
Don't understand what you mean by "exchangeable". Pretty much all batteries should be properly recycled. Best environmental choice is rechargeable batteries.
Rechargeable batteries are a great purchase if you use an item with batteries often and are tired of buying new ones all the time. They are a little expensive upfront but will save you money in the long run. These can be purchased at any electronic store and the price doesn't vary much so don't spend all day comparing prices.