Global Data Center Battery Market Size, Share & Demand Report By Battery Type (VRLA, Lithium-Ion, Nickel-Cadmium, Flow Batteries), By Application (UPS Systems, Telecom/Data Backup, Renewable/Hybrid Integration), By End-User Industry (IT & Cloud Service Providers, Telecommunications, Financial Institutions, Healthcare & Hospitals, Government & Defense), By Power Capacity (<500 kWh, 500–1000 kWh, >1000 kWh), By Region & Segment Forecasts, 2025–2030