EcoFlow Delta 3 Plus

The EcoFlow Delta 3 Plus punches above its 1,024 Wh base capacity in two important ways: it accepts up to 1,000W of solar input — the highest solar rating among 1 kWh-class units in this lineup — and it expands to 5,120 Wh total via EcoFlow's smart extra battery system. Those two capabilities together define its identity as the best modular solar platform in this price tier. For camping or van life setups where solar is the primary recharge method, the 1,000W solar ceiling is a genuine advantage. A clear summer day with 600–800W of actual panel output can refill the base unit in under two hours. Expand to a second or third battery and the same solar array fills a much larger reservoir over the course of a day. The 56-minute full AC recharge is among the faster times in the lineup — only the Anker C1000 Gen 2's 49 minutes is quicker — which preserves usability when grid power is intermittently available. The 1,800W continuous AC output and 3,600W surge are appropriate for camping appliances and home essentials. EcoFlow's X-Boost technology allows this 1,800W inverter to power some appliances rated up to 2,400W by intelligently managing draw. The four AC outlets and 10 total ports, including two USB-C 100W PD, cover most device combinations. At 27.6 lb it is light enough for car camping. The EcoFlow app ecosystem adds remote monitoring and control, useful for solar-optimized charging schedules. Cycle life is 4,000 to 80%, matching the Anker C1000 Gen 2 on longevity. Five-year warranty. The main limitation is that the 1,024 Wh base capacity requires expansion batteries for serious home backup scenarios, and those add cost. At $649 for the base unit the price is reasonable but not exceptional on a straight $/Wh comparison.