The average lifespan of the batteries sold on Batteryedge.com can vary significantly depending on the type of battery and its intended use. For instance, alkaline batteries generally have a lifespan of about five to ten years when stored properly, while lithium-ion batteries, commonly used in electronic devices, typically last around two to three years under normal usage conditions. Sealed lead-acid batteries, often used in backup power systems, can last anywhere from three to five years, depending on maintenance and environmental factors. It is important to consider that usage patterns, charging habits, and ambient conditions can all affect battery longevity. Batteryedge.com provides a variety of battery types, each with its specific characteristics and expected lifespans, so it is advisable to review the product specifications and descriptions on the website for more detailed information regarding individual batteries.