... 2. 7 times service than normal alkaline battery; 3. Weigh 1/3 less than standard alkaline batteries;4. Extreme working temperatures from -40 ... Shelf Life; 11. Approved by UL, UN38.3..Applications mobile and consumer electronics products, such as mobile phones, notebook computers, ... , MD, CD players, MP3, PDAs, electric bicycles, miner larmps and satellite communication systems. li-iron AAA batteries