In our controlled testing environment, the EF ECOFLOW RIVER 2 Pro Solar Generator delivered dependable compact-class performance designed for mobile and emergency use. At 25°C, the unit achieved approximately 95.4% effective capacity utilization from its 768Wh LiFePO₄ battery, maintaining stable discharge behavior under varying loads.
*Estimated runtimes based on 768Wh capacity (factoring in an average 85% inverter efficiency).
* Calculated using lab‑measured usable capacity (~85% efficiency) and typical load profiles. Actual results may vary.