Small Scale Battery Energy Storage Market Size, Share & Industry Analysis, By Battery Type (Lithium-Ion (Li-Ion), Lead Acid, Flow Batteries, and Others), By Capacity (Less than 100 kWh, 100-500 kWh, 500-1,000 kWh, and 1,000-2,000 kWh), By Connection Type (Grid-Connected and Off-Grid), By End-User (Residential, Commercial, Industrial, and Utility Scale), and Regional Forecast, 2025-2032