Price is for a blister card of 2. C batteries are a popular household batteries used in a variety of things from children's toys, torches, boomboxs etc. Duracell rechargeable battteries can be re-charged up to 1000 times making them much better for environment than disposable batteries. These batteries will give you longer life than alkaline batteries but if you want your batteries to last longer you should increase the m Ah of them.