What is the key to the purchase of rechargeable batteries?
Purchase this type of rechargeable battery mainly consider the capacity and specifications as well as the price. First determine the size of the purchase of batteries, for the battery compartment of the relatively small equipment, or need to place side by side multi-cell battery device, pay attention to the purchase of high capacity, thicker battery is appropriate.
An important parameter of the rechargeable battery - the battery capacity, is expressed in units of AH (Ann). We can see that it is a composite unit, by the current unit and time unit product, representing the battery at constant current continuous discharge time of the product.
The most versatile is the No. 5 (AA) and 7 (AAA) rechargeable batteries, many digital cameras, Diskman, Walkman, MD, PDA and so need to use.
