battoutvolt 48 Batteries & Runtime Battery Volt-Amp-Hour Capacity 1728 Battery Type Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof Battery mounting Enclosed battery cartridge Battery manufacturer -- Expected Battery Life ( years) 3 - 5 RBCï ¿ ½ Quantity 2 Replacement battery cartridge note For use with SUA 2200/ 3000VA 3U models. Can be used with the 5U models with SUA039 extension cable. Battery blocks per string