Battery Universe has been selling and distributing UPS batteries since 1999. Our rechargeable sealed lead acid batteries are made to last longer for life and not run-time by altering the electrolyte in the units. We may not have the highest amp-hour batteries, but they will outlive other competitors. If you need help finding the correct ups battery for your needs, please feel free to contact us. Our company has over 15 years of battery experience. Thanks for shopping with Battery Universe.