Model Description: Replacement Battery Pack for the APC Back-UPS 900 Compatibility: APC Back-UPS 900 Condition: Brand new fresh stock Includes: APC Back-UPS 900 Replacement Battery Pack (plug and play installation) Warranty: 1 year replacement warranty included Life time expectancy: 3-5 years Manufacturer: UPS Battery Center Ltd. The APC Back-UPS 900 replacement battery pack is made with high quality batteries that are designed to provide excellent performance and long life in UPS applications. Our batteries are new and always fresh stock. The APC Back-UPS 900 battery pack is covered by our industry leading 1 year replacement warranty. The replacement battery pack for the APC Back-UPS 900 is complete, there's no assembly of the battery pack is required. This premium battery pack will restore performance and renew the reliability of your UPS.