An AA battery is a standard size of battery. Batteries of this size are the most commonly used type of in portable electronic devices. You can buy them at http://www.zbattery.com/Batteries/AA.
Booster batteries are the batteries that you use when you want to jump start a car. Regular alkaline batteries are the kind that you put in a flashlight or your TV remote. The alkaline battery is way cheaper than a booster battery.
You can purchase these batteries online or at your local stores such as OfficeMax or CVS. If you are looking to purchase this online Amazon does carry this battery in stock.
Stabeto online store is the best place to buy alkaline batteries in bulk quantity. they have energizer, duracell, panosinic collection at the best price in market. they have free delivery options too. Energizer LR44 button batteries , so much more are available
It is definitely not illegal to purchase batteries online in the United States. You can buy them from any store in person, or online from Amazon, or eBay.
Alkaline batteries work better and last much longer then the cheap ones that are marked heavy duty. You can purchase alkaline batteries for a reasonable price simply by avoiding brand names.
I use alkaline batteries in my Olympus 2009 camera.
You can purchase cheap Olympus batteries at batteries4less.com. Another great site for saving money on batteries is atbatt.com. Locally, you can try Batteries Plus.
You can purchase mobile phone batteries on the following site: http://www.batteries4less.com/. They have a great selection.
You can purchase Eneloop batteries at most big box retail stores and camera stores. Online computer stores also carry the batteries.
One could purchase mobility scooter batteries from SpinLife. Other online sites where one could purchase said batteries includes Amazon, Batteries Plus, and Battery Stuff.
Few alkaline battery chargers have been made. The process to recharge alkaline batteries hasn't been very successful. Most rechargeable alkaline batteries will only recharge a few times and you have to make sure you use the correct type of charger. It can be very dangerous if you use the wrong one.
Energizer Lithium batteries can be purchased from Walmart in store or online. One can also purchase Energizer Lithium batteries from Energizer's official website.