Outback FLEXpower 4kW 48V Pre-wired Radian System 120/240V
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OutBack sets a new standard for swift and convenient solar power system installations with the FLEXpower Radian—a pre-assembled and pre-wired solution that excels in performance, value, and adaptability.
Featuring the 60Hz Radian A Series 4kW or 8kW inverter/charger, these systems come fully integrated, requiring only the addition of power sources and batteries. Installation is a breeze—mount the bracket, hang the system on a wall, make the essential connections, and your system is up and running. Each model incorporates OutBack's GridZero technology, an intelligent energy management system that precisely balances stored energy, solar power, and utility power. This ensures optimal utilization, overcoming surges and load spikes.
Key Features:
- Factory tested, pre-wired, and pre-configured for efficiency.
- Quick installation with a fully integrated GS load center and an optimized system footprint.
- GridZero technology minimizes grid dependence by optimizing the balance between stored and renewable energy sources.
- Advanced Battery Charging (ABC) supports cutting-edge battery technologies, including lithium-ion, with enhanced diagnostics for improved performance.
- Dual AC inputs facilitate seamless generator integration in grid-interactive applications.
- Offers both grid-interactive and stand-alone capability in a single unit.
- System monitoring through a web interface with OPTICS RE.
- Components hold all necessary ETL certifications and are Rule 21 compliant.
This FLEXpower Radian system is a comprehensive and intelligent solution that simplifies the installation process while delivering superior performance and flexibility.
Description
OutBack sets a new standard for swift and convenient solar power system installations with the FLEXpower Radian—a pre-assembled and pre-wired solution that excels in performance, value, and adaptability.
Featuring the 60Hz Radian A Series 4kW or 8kW inverter/charger, these systems come fully integrated, requiring only the addition of power sources and batteries. Installation is a breeze—mount the bracket, hang the system on a wall, make the essential connections, and your system is up and running. Each model incorporates OutBack's GridZero technology, an intelligent energy management system that precisely balances stored energy, solar power, and utility power. This ensures optimal utilization, overcoming surges and load spikes.
Key Features:
- Factory tested, pre-wired, and pre-configured for efficiency.
- Quick installation with a fully integrated GS load center and an optimized system footprint.
- GridZero technology minimizes grid dependence by optimizing the balance between stored and renewable energy sources.
- Advanced Battery Charging (ABC) supports cutting-edge battery technologies, including lithium-ion, with enhanced diagnostics for improved performance.
- Dual AC inputs facilitate seamless generator integration in grid-interactive applications.
- Offers both grid-interactive and stand-alone capability in a single unit.
- System monitoring through a web interface with OPTICS RE.
- Components hold all necessary ETL certifications and are Rule 21 compliant.
This FLEXpower Radian system is a comprehensive and intelligent solution that simplifies the installation process while delivering superior performance and flexibility.
what’s included
The E2000LFP Expandable Power Station combines power and flexibility in a portable package. Link it with two EB3000 battery packs to reach an impressive 8064Wh capacity - enough for almost any power need.
With 2000W AC output, it runs most household devices and tools without breaking a sweat. The advanced LiFePo4 batteries deliver outstanding durability, keeping 80% capacity even after 3500 charging cycles.
Charging is quick and flexible. The station accepts up to 1300W input across multiple ports, with 600W maximum solar input. Using solar panels, you'll fully charge in 2-3 hours. Need it faster? Dual AC adapters cut that time to just 1.5-2 hours.
Specification
The E2000LFP Expandable Power Station combines power and flexibility in a portable package. Link it with two EB3000 battery packs to reach an impressive 8064Wh capacity - enough for almost any power need.
With 2000W AC output, it runs most household devices and tools without breaking a sweat. The advanced LiFePo4 batteries deliver outstanding durability, keeping 80% capacity even after 3500 charging cycles.
Charging is quick and flexible. The station accepts up to 1300W input across multiple ports, with 600W maximum solar input. Using solar panels, you'll fully charge in 2-3 hours. Need it faster? Dual AC adapters cut that time to just 1.5-2 hours.
Shipping & Delivery
The E2000LFP Expandable Power Station combines power and flexibility in a portable package. Link it with two EB3000 battery packs to reach an impressive 8064Wh capacity - enough for almost any power need.
With 2000W AC output, it runs most household devices and tools without breaking a sweat. The advanced LiFePo4 batteries deliver outstanding durability, keeping 80% capacity even after 3500 charging cycles.
Charging is quick and flexible. The station accepts up to 1300W input across multiple ports, with 600W maximum solar input. Using solar panels, you'll fully charge in 2-3 hours. Need it faster? Dual AC adapters cut that time to just 1.5-2 hours.
Get Started In 3 Simple Steps
The whole process is easy – no salespeople involved.

Step 1: Choose Your System
Pick your products at direct-to-you prices. Browse complete systems and see exactly what you'll pay.

Step 2: Place Your Order
Quick online checkout with free U.S. shipping. Your order ships within 3-5 business days.

Step 3: Power Up
Professional guidance for setup and connection. Our team helps you get the most from your power station.
The Build The Power Difference
Here’s why you’ll prefer us over other providers.
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What Our Customers Say
Direct experiences from homeowners who took control of their energy costs.
Frequently Asked Questions
How is Build The Power different from other companies?
Unlike traditional companies, we've removed the complex network of salespeople, project managers, and dealer fees. You browse and buy directly through our digital platform, cutting costs by 20-50% while still getting expert support when you need it.
How does your ordering process work?
Browse & Select – Find the product that suits your needs.Add to Cart – Click "Add to Cart" and proceed to checkout. Secure Payment – Complete your purchase using our secure payment options. Order Confirmation – You’ll receive an email confirmation with your order details. Shipping & Delivery – We process and ship your order as quickly as possible. A tracking number will be provided. If you have any questions, feel free to contact us!
Do you offer free shipping?
Yes! We offer free shipping on all orders, with no minimum purchase required. Enjoy hassle-free shopping without worrying about extra shipping costs. Once your order is processed, we’ll provide a tracking number so you can follow your shipment’s progress.
What's your return policy?
We offer a 30-day return policy for your peace of mind. If you're not completely satisfied with your purchase, you can return it within 30 days of delivery for a refund or exchange. The item must be in its original condition and packaging.
To start a return, contact our support team, and we’ll guide you through the process.
Can I get help with installation?
We do not offer installation services, but we’re happy to recommend trusted companies or services that can assist you. If you need help finding an installer, feel free to contact us, and we’ll point you in the right direction!