Manufactured by the trusted company Panasonic these AAA LR03 single-use batteries are suitable for both portable devices that drain alot of power when used from time to time as well as for lower-drain ones. They can therefore be used for gadgets such as torches, gillette razors, clocks, toys, remote controls, keyboards and mice.
These batteries make use of alkaline battery chemistry (shown by the code LR03) and have a voltage (nominal) of 1.5V and a capacity of 1000-1200 mAH. This pack contains 4 AAA cells each of which is 445 mm in height, 10.7 g in weight and has a diameter of 10.5 mm. Unused they have a shelf-life of years making it convenient to store a few spare batteries until they might be required.