The TESLA GOLD+ series is our top-class alkaline batteries range, specially developed for very energy-intensive devices, such as cameras and their flashes. This series brings high performance over a long period. The batteries are mercury-free, alkaline manganese, and non-rechargeable. They come in a pack of 4, AA size. The shelf life is 10 years, with a nominal voltage of 1.5 volts, and dimensions of Ø14.5 mm × 50.5 mm. They can be stored at temperatures between +10°C to +25°C, and have a nominal weight of 23.9 grams.