UPS Battery Backup systems from Best Power, now an Eaton company, offer reliable power protection for office and home office computers, business appliance and lighting applications, giving you adequate time to shut down your equipment during a power outage. They also provide high-performance surge suppression, protecting your equipment from damaging power surges. Wholesale Batteries Direct has the high quality batteries that you want to buy at discount prices to power your Best Power UPS Battery Backup equipment. We carry the batteries for nearly all Best Power Replacement Battery Cartridges, RBC, BAT and UPS Battery Backup systems, including the QMD, QMX, QRM, RM series and more. All of our batteries come with a full 1 year warranty. Be sure to save and re-use your existing cables and connectors, when you replace the batteries.