Energizer Alkaline Batteries, Industrial, AA, AAA,' C' Cell, 'D' Cell, PP3 Type - Energizer 6LR61D12, The Energiser EN22 is a 9V (PP3 Type) Industrial Battery that has been designed to meet the most stringent needs of today's high drain devices, and are available in the most popular standard sizes. The Energizer Industrial Alkaline Battery offers an economical, high rate source of portable power. This heavy duty battery operates well in extreme temperatures, and will retain 85% of its original life up to 7 years in storage. When you want to make your battery draining devices last longer, such as a DVD player, video game, or digital camera, you should try industrial strength alkaline batteries for complete satisfaction. Energizer 6LR61D12 EN22 Industrial 9V 6LR61 Batteries - Box of 12