Floor‑standing energy storage batteries sit directly on ground without wall load‑bearing requirements. Common capacities range 10‑20kWh, typical models 51.2V200Ah and 51.2V314Ah delivering 10.24‑16kWh per unit, expandable by parallel connection. Compatible with 8‑12kW residential hybrid inverters, they power high‑load appliances including air‑conditioners and heat pumps with dual‑port BMS for stable control. Demand is strong for villas, garages and small commercial backup power. Buyers shall check charge‑discharge current and ≥6000‑cycle life, match load demand, reserve expansion margin and verify certifications plus capacity warranty.