This AAA alkaline batteries (LR03-pencil-pencil) of Panasonic, low self-discharge, it can be stored a long time, a continuous and reliable energy. No leaks, suitable for use at low temperatures (-20till +55 degrees),free of Hg / Cd and Pb,. Panasonic is a first class supplier of batteries of superior quality in non- and rechargeable batteries for industrial purposes. Panasonic's product line has rechargeable and not rechargeable batteries.