The 24V External Battery Pack from APC consists of a unit of four 9Ah batteries that plugs into the rear panel of the 1500VA Back-UPS Pro model. The 1500VA Back-UPS comes with two standard 9Ah batteries. To triple the normal amount of runtime provided by a Pro unit, connect it to an RS Battery Pack. The battery recharges automatically through the unit's internal charger.
- The External Battery Pack is compatible with APC's 1500VA Back-UPS Pro models
- The vented, flame retardant housing provides durability and efficient thermal management
- The heavy duty connector of the battery pack plugs securely into the rear panel of the 1500VA Back-UPS Pro to triple the normal runtime of the UPS