• Description
  • Why Buy From Us
DESCRIPTION
【Simple and Flexible Installation】 The plug-and-play Anderson terminals allow you to connect all the REGO products and reduce the system setup time significantly. The integrated insert terminals on the top of the system combiner box allow you to connect non-REGO components using ring terminal cables into your REGO system.
【Safer Connection】 The Anderson terminals provide extremely secure connections. No need for special tools or complicated wiring.
【Centralized Circuit Protection】 The fuses install easily into the fuse switch disconnectors on the top of the REGO combiner box. This provides centralized circuit protection to your system devices, the circuits can also be disconnected manually for maintenance.
【Strong System Compatibility】 The continuous current rating of the REGO system combiner box reaches 400A, which can perfectly handle the high power charging and discharging of the REGO system, furthermore adapt to most of other off-grid system.
【Expandable System Capacity】 Thanks to its' modular design, the REGO system combiner box can be expanded by connecting with a REGO battery combiner box. One Battery Combiner Box can connect with up to 3 REGO batteries, and multiple battery combiner boxes are expandable by connecting to accept more batteries, up to 8 batteries can be connected in parallel, offering a total capacity of up to 40KWh effortlessly.

 

The REGO system combiner box is the "hub" for all REGO component connections, including lithium batteries, charge controller, DC-DC charger, and inverter. Uniform Anderson connections that simply click in, so no worries about special tools or complicated wiring, allow you to be ready for your off-the-grid adventures in minutes instead of hours, and put an end to the short circuits, misconnection, and connection failure.

The integrated fuse switch disconnectors provide centralized circuit protection to your system devices. This allows for easy inspection and maintenance.

The continuous current rating of the system combiner box reaches 400A, able to handle high power charging and discharging. Engineered specifically for REGO batteries with 300A max charging current, and 350A max discharging current. Ensure battery performance and stability.

Plug&Play Connection,Secure Your System Safety
Plug&Play Connection,Secure Your System Safety

Uniform Anderson connections that simply click in, so no worries about special tools or complicated wiring. The REGO combiner box houses all your connections in one place with centralized circuit protection.

Expandable System Capacity Up to 40KWh
Expandable System Capacity Up to 40KWh

One REGO Battery Combiner Box can connect with up to 3 REGO batteries. Expand the system up to 8 batteries connected in parallel with additional combiner boxes offering a total capacity of up to 40KWh.

*Please kindly noted that the battery combiner box needs to be purchased separately.
Compatible with Your Existing System Components
Compatible with Your Existing System Components

The lug terminals on the top of the system combiner box allow you to connect any components using ring terminal cables into your REGO system, such as the DC distribution panel, converter, and other devices based on your system needs.

NOTE
  • If you have any questions regarding this product, please call us at 1 (909) 287-7111 or contact us with livechat for troubleshooting assistance.
  • More questions about your off-grid power system? Learn more from Renogy Learning Center!
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Package Includes

REGO 4 Ports 400A System Combiner Box

Smart Relay

1 x

 
 
 
 

Why Choose Green Vista Living


At Green Vista Living, we’re passionate about providing top-quality renewable energy and eco-friendly products that not only enhance your life but also help protect the planet. We’ve built our business with one mission in mind: to be the go-to destination for renewable energy solutions, outdoor gear, and off-grid supplies. When you shop with us, you’re not just getting innovative products—you’re joining a community that’s committed to sustainability.

We Put Our Customers First


As a small, dedicated team, we care deeply about your experience. Unlike large, faceless online companies, Green Vista Living offers a personal touch in everything we do. We're here for you from start to finish—whether you need product advice, support after a purchase, or just have questions. Our knowledgeable customer service team is always just a phone call or email away, ready to assist you in any way possible.

We Share Your Passion for the Planet


Our love for the outdoors and sustainable living runs deep. Most of our team hails from the mountains of Colorado, where renewable energy and the environment are part of daily life. So when you call Green Vista Living, you’ll speak directly with an expert who understands both the technical side of renewable products and the lifestyle they support. Whether you’re looking for solar generators, EV chargers, or any of our eco-friendly offerings, you can trust us to guide you with expertise and passion.

Trusted Industry Experts


Our close partnerships with the best brands in renewable energy and outdoor gear give us insider knowledge that you won’t find anywhere else. We’ve taken the time to carefully select products that stand out for their quality and reliability. At Green Vista Living, we believe in understanding our products inside and out so that we can help you make the right choice with confidence.

More Reasons to Love Green Vista Living


Price Match Guarantee: Thanks to our partnerships, we offer the best prices around. If you find a better deal, we’ll refund the difference.


Free Shipping: We offer free shipping on most orders to the lower 48 U.S. states, making your shopping experience even easier.


100% Secure Ordering: Our site uses SSL Encryption technology to keep your payment and personal information safe and secure.


Volume Discounts: For large orders, we’re happy to provide special pricing—just reach out for a custom quote.


Authorized Dealer: As an authorized dealer for all our brands, you’ll receive full manufacturer warranties with every order.


At Green Vista Living, we aim to make your renewable energy and outdoor experience as seamless and enjoyable as possible. With our unmatched customer service, expertise, and dedication to quality, you can shop with confidence, knowing you’re supporting a company that’s as committed to the planet as you are.

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

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