HIGH QUALITY: This assorted set of 1.5V alkaline button cell batteries, consists of 5 of each LR621 / LR41 / LR66 / LR54 / LR43 / LR44 coin cells. These coin batteries are for high power users and have a high capacity with reliable constant power output LONG SHELF LIFE: These mixed alkaline multipack coin batteries offer reliable performances and a long shelf life of up to 3 years MULTIPACK OF 30: This multipack of various HYCELL 1.5V alkaline coin cells comes in a blister card of 30, which includes 5 x LR621, 5 x LR41, 5 x LR66, 5 x LR54, 5 x LR43 & 5 x LR44 DAILY USAGE: These button cells are the ideal replacement batteries for daily use in a variety of devices including watches, pocket calculators, remote car keys, digital cameras toys, remote controls etc TEMPERATURE RANGE: These batteries are compatible for long operating times and high voltage stability. Usage of the batteries can range in temperature from -20°C to + 60°C