The TESLA SILVER+ series includes alkaline batteries for devices with long-term high consumption of electrical power. It is the ideal choice for electronic toys. This series is characterised by the long life of the batteries under constant power load. The batteries are mercury free and made of alkaline manganese. They have a shelf life of 7 years and a nominal voltage of 1.5 volts. The batteries are available in a pack of 4, AAA size, and are non-rechargeable. The dimensions are Ø26.2 mm x 50 mm, and the storage temperature is between +10°C to +25°C. The nominal weight is 68.7 grams.