These batteries are rated 1.5 volt, their actual capacity is seldom specified, because it varies with load.
Energizer has a datasheet with specifications and their AA has about 2900mAh at 25mA load, but only about 1400mA at 500mA load.
According to Energizer the Alkaline battery will work down to -18°C, but with reduced capacity.
The shelf life can be up to 10 years.
The battery weights about 23 gram.
Alkaline batteries is also known to leak and destroy equipment, even unused cells can leak.