MAIN OVERVIEW FEATURES: Battery Characteristics: Leak Proof/User ReplaceableBattery Chemistry: Sealed Lead Acid (SLA)Capacity: 9000 mAhOutput Voltage: 12 V DCHeight: 6.4"Width: 6"Depth: 7.8"Weight (Approximate): 22.53 lbPackage Contents: RB1290X4K Battery Kit Installation Guide Compatibility: CyberPower UPS Systems: PR2200LCDSL PR3000LCDSL Limited Warranty: 18 Month