Energy Brand Focus

EcoFlow’s DELTA 3 series covers a spectrum of needs: the Classic for highly portable, rapid-charge backup; the Max Plus for robust, continuous appliance support; and the Ultra Plus for expanded, near whole-home resilience with advanced outage management. Below is a practical and technical comparison to help you choose the right model based on load requirements, […]

As whole-home battery systems edge into mainstream use, two heavyweight contenders rise to the top: Anker’s SOLIX F3800 Plus and EcoFlow’s DELTA Pro Ultra. Both are engineered for multi-day outages, solar-first recharge, and scalable installations — but their technical choices and real-world tradeoffs differ in ways that matter to installers, emergency-prepared homeowners, and off-grid planners.

Anker’s SOLIX line stretches from the compact, towable F2000 up to the whole-home-ready F3800 Plus. Each model targets a different balance of capacity, power delivery, solar recharge speed, and expandability — and choosing the right one depends on whether you need a weekend RV power source, a resilient household backup, or a scalable whole-home system.

Anker’s SOLIX F3800 Plus positions itself as a near-turnkey whole-home backup in a market where users increasingly weigh power, longevity, and expandability against sticker shock. Priced at $4,799 for a single unit, the F3800 Plus targets homeowners and serious off-grid users who want robust AC output, fast solar recharge, and EV-grade LiFePO₄ chemistry. Here’s a