Main Features:Manufacturer: American Battery Company Manufacturer Part Number: RBC32 maintenance-free sealed lead-acid batteriesBattery Type: Maintenance Free Lead-acid Hot-swappableBattery Life: 3Year(s) to 5Year(s)Dimensions: 6.81 Inches lengh x 2.81 Inches width x 3.7 Inches heightWeight: 10 lb Replacement for APC UPS: BK450, BK520, BK575C, BK600, BK600C, BK650M, 450AT, PCNETStandard Warranty: 2 Year(s) Limited