You've lived through it before. The grid goes down, the house falls silent, and suddenly you're scrambling to save a freezer full of food while the sump pump sits useless in the basement. Three days without power isn't just inconvenient. It's hundreds of dollars in spoiled groceries, a flooded basement, and the stress of wondering when life gets back to normal.
Without reliable backup power, every outage becomes a gamble. Your HVAC stops. Medical equipment fails. Remote work becomes impossible. And if you've been burned by underpowered portable units that couldn't run your essentials simultaneously, you already know that undersized solutions create their own problems.
The Anker SOLIX F3800 x 2 + Double Power Hub changes the equation entirely. This dual-unit system delivers 7,680Wh of LiFePO4 battery capacity and a massive 12,000W continuous output with true 120V/240V split-phase power. It's the closest thing to having your own silent, emission-free power plant.
The Double Power Hub combines both F3800 units to deliver genuine 120V/240V split-phase output. This isn't a workaround or adapter solution. It's real 240V power that runs your well pump, central air conditioner, electric dryer, or EV charger exactly like grid power does. Most portable power stations top out at 120V only, leaving your biggest loads stranded during outages.
Starting at 7,680Wh, this system already outpaces most home battery setups. But when you need more, each F3800 unit accepts up to six BP3800 expansion batteries, scaling your total capacity to an enormous 53.8kWh. That's enough to run an average home for multiple days without recharging. For buyers who need something more compact for camping trips or lighter-duty backup, the Anker SOLIX C1000X with 1056Wh and 1800W output offers excellent portability in a smaller package.
With a combined 2,400W maximum solar input, the dual F3800 system reaches 80% charge in approximately 1.5 hours under optimal conditions. AC recharging completes in under 2 hours at 1,800W input per unit. When the grid stays down for days, solar recharging transforms this from a battery into a sustainable power source. The system also supports AC coupling with existing rooftop solar installations.
The Anker app provides complete control over both units via Bluetooth or Wi-Fi. Monitor charge levels, adjust input/output settings, track power consumption by outlet, and receive alerts when attention is needed. This isn't a basic battery meter. It's a full power management system in your pocket.
See full specifications below for complete electrical details and port configurations.
Not sure if this is the right fit? Check our FAQs below or contact our power specialists for personalized guidance.
Gas generators have their place, but they come with serious drawbacks for home backup. They're loud. They produce carbon monoxide that kills dozens of Americans every year. They require fuel storage, regular maintenance, and won't run indoors or in enclosed spaces. During extended outages, finding gasoline becomes its own challenge.
The F3800 dual system operates silently, produces zero emissions, and works safely inside your garage or basement. There's no oil to change, no spark plugs to replace, no carburetor to clean after storage. LiFePO4 batteries maintain their charge for months and deliver consistent output until nearly depleted, unlike gas generators that bog down under heavy loads.
With 3,000+ charge cycles and a 10-year expected lifespan, Anker's battery technology delivers long-term value that disposable gas generators can't match. The 5-year manufacturer warranty reflects Anker's confidence in the engineering. For lighter portable needs around the house or quick trips, the Anker SOLIX C300X DC with 288Wh capacity makes an excellent companion that charges from the larger system.
| Spec | Value |
| Total Battery Capacity | 7,680Wh (3,840Wh per unit) |
| Battery Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Cycle Life | 3,000+ cycles to 80% capacity |
| Expected Lifespan | 10 years |
| AC Output (Combined) | 12,000W continuous / 18,000W surge |
| Output Voltage | 120V/240V split-phase |
| AC Output (Per Unit) | 6,000W continuous |
| RV Outlet | 14-50R (50-amp service) |
| EV Charging | Dedicated EV charging port |
| USB-C Output | 100W per port |
| Maximum Solar Input | 2,400W (1,200W per unit) |
| Solar Recharge Time | ~1.5 hours to 80% |
| AC Recharge Time | Under 2 hours (1,800W per unit) |
| UPS Switchover Time | 20ms |
| Maximum Expandable Capacity | 53.8kWh (with 12x BP3800 batteries) |
| App Connectivity | Bluetooth / Wi-Fi |
| Warranty | 5 years |
| Portability | Wheels on each F3800 unit |
With 7,680Wh of total capacity, the dual F3800 system typically runs a standard refrigerator and chest freezer for 3-5 days depending on their efficiency ratings and ambient temperature. Modern Energy Star appliances drawing 100-200W combined can extend runtime even further. Adding solar panels provides indefinite operation during daylight hours.
Yes. The system integrates with Anker's Home Power Panel for seamless whole-home backup with automatic 20ms switchover when grid power fails. It also supports AC coupling with existing solar installations. Professional installation ensures proper configuration and code compliance for your specific electrical setup.
The Double Power Hub requires both F3800 units to maintain at least 1% charge to operate. If one unit depletes completely while the other has remaining capacity, the hub will stop providing combined output until both units have sufficient charge. The app monitors individual unit levels so you can rebalance charging before this occurs.
For most homeowners, the F3800 dual system offers significant advantages over gas generators. It operates silently, produces zero emissions, requires no fuel storage or regular maintenance, and works safely indoors. Gas generators excel only when you need unlimited runtime without solar and don't mind the noise, fumes, and maintenance requirements.
Each F3800 unit accepts up to six BP3800 expansion batteries, allowing the complete system to scale from 7,680Wh to 53.8kWh total capacity. Batteries connect via the expansion ports on each F3800 unit and appear in the app for monitoring. This modular approach lets you add capacity over time as your needs grow.
Yes. The system includes dedicated EV charging ports that can add meaningful range to your electric vehicle when grid power is unavailable. Actual miles added depends on your vehicle's efficiency and the system's current charge level. During evacuations or extended outages, this capability provides critical mobility options. Still have questions? Contact our power specialists before you order.
The Anker SOLIX F3800 x 2 + Double Power Hub bundle includes Anker's comprehensive 5-year manufacturer warranty covering defects in materials and workmanship. With LiFePO4 battery chemistry rated for 3,000+ cycles and a 10-year expected lifespan, this system is built to protect your home for years to come.
Order from Mighty Generators, an authorized Anker dealer, for full warranty coverage, expert support, and fast shipping. Unlike unauthorized sellers or marketplace listings, your purchase is backed by direct manufacturer support and our commitment to getting you the right solution.
Questions? Our power specialists are here to help. Contact us before or after your purchase for sizing assistance, installation guidance, or technical support.
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