Tenergy Alkaline C Batteries – 12 Batteries per box Tenergy alkaline batteries deliver outstanding performance and reliability. Some major advantages of Tenergy Alkaline batteries includesDependable and long lasting power. Tenergy batteries operate reliably in temperatures of -4 to 129 degrees Fahrenheit. Batteries are date coded to guarantee freshness. Voltage1.5VWeight1.8b/boxDownload product data sheet here.WARNING NON RECHARGEABLE BATTERY! CAN NOT BE CHARGED! ONE-TIME USE BATTERY. Risk of fire. Battery can explore or leak and cause injury if installed backwards, disassembled, charged, crushed or exposed to fire or high temperature. Do not put the battery into a charger of any kind. Can not be used with other types of batteries together.