PKCELL Battery Co. Ltd. is a professional battery manufacturer integrating research and development, production and sales, with large-scale production, advanced equipment and complete varieties. The main batteries include alkaline batteries, carbon batteries, alkaline button batteries and lithium manganese batteries and nickel-metal hydride rechargeable batteries. These products are widely used in the telecommunications industry, digital products, electrical and electronic products, lighting equipment, toys, household appliances, water meters and emergency equipment, etc. Feature: The discharge time of AA battery is 400min, and that of AAA battery is 140min. Alkaline batteries are the best-performing varieties in the zinc-manganese battery series. It is suitable for equipment requiring large discharge capacity and long-term use. The readily available high performance batteries variety pack can help you in an emergency. Build your emergency storage of essentials with the most durable battery. Caution: Never charge the battery as it is not designed to be rechargeable, may cause leakage or explosion. Insert battery with its positive and negative terminals properly aligned with the corresponding marks on the equipment. Never short circuit, heat, incinerate or dismantle the battery. The 12 AA+12AA battery pack can meet your daily needs for batteries. Multiple leak-proof design, more safe and secure. The durable battery can be used immediately or stored for later use, making it ideal for home, work or travel. Parameters of PKCELL AA & AAA Batteries 1.5V Alkaline LR6 AA Battery Height: 49.2-50.5mm (1.93-1.98in)Diameter: 13.5-14.5mm (0.53-0.57in)Capacity: 3.9ohm, 24h/d, 360 minutesChemistry: Alkaline MO2 (Non-Hg, Non-Cadmium) 1.5V Alkaline LR03 AAA Battery Height: 44.3-44.5mm (1.74-1.75in)Diameter: 9.5-10.5mm (0.37-10.41in)Capacity: 3.9ohm, 24h/d, 140 minutesChemistry: Alkaline MO2 (Non-Hg, Non-Cadmium)