Build your ideal indoor solar power system with this expandable hybrid inverter + battery bundle from EG4. Whether you need 14.3kWh, 28.6kWh, or 42.9kWh of energy storage, this flexible solution pairs the EG4 12kPV all-in-one hybrid inverter with your choice of up to three indoor 280Ah batteries—perfect for off-grid, grid-tied, or backup power setups.
Designed for simple, DIY installation and long-term reliability, each bundle includes everything you need to get started—with optional expansion as your energy needs grow.
Key Features & Benefits:
-
Choose Your Bundle Size:
-
1 Battery = 14.3kWh Storage
-
2 Batteries = 28.6kWh Storage
-
3 Batteries = 42.9kWh Storage
(All include 1 x EG4 12kPV inverter)
-
-
All-in-One Hybrid Inverter (12kPV)
48V split-phase design with 12,000W solar input & 8,000W output—powers loads and charges batteries simultaneously. -
Intelligent WallMount Batteries (280Ah / 51.2V Each)
Built-in LCD, self-heating, and fire arrestors with closed-loop support for EG4, Sol-Ark, Victron, Growatt & more. -
Easy, Scalable DIY Setup
Modular and wall-mountable with integrated busbars, no external charge controllers required, and plug-and-play inverter connections. -
Remote Monitoring & Control
Access system performance and updates via the EG4 Web Monitoring platform or mobile app. -
10-Year Warranty & U.S.-Based Support
Designed for long-term performance with legendary support and full transparency.
Bundle Variants:
-
BNDL-E0012-1: 1 x Battery → 14.3kWh
-
BNDL-E0012-2: 2 x Batteries → 28.6kWh
-
BNDL-E0012-3: 3 x Batteries → 42.9kWh
Simply choose your preferred bundle above to match your energy storage needs today—with room to grow tomorrow.
User Manual / Documents:
Build your ideal indoor solar power system with this expandable hybrid inverter + battery bundle from EG4. Whether you need 14.3kWh, 28.6kWh, or 42.9kWh of energy storage, this flexible solution pairs the EG4 12kPV all-in-one hybrid inverter with your choice of up to three indoor 280Ah batteries—perfect for off-grid, grid-tied, or backup power setups.
Designed for simple, DIY installation and long-term reliability, each bundle includes everything you need to get started—with optional expansion as your energy needs grow.
Key Features & Benefits:
-
Choose Your Bundle Size:
-
1 Battery = 14.3kWh Storage
-
2 Batteries = 28.6kWh Storage
-
3 Batteries = 42.9kWh Storage
(All include 1 x EG4 12kPV inverter)
-
-
All-in-One Hybrid Inverter (12kPV)
48V split-phase design with 12,000W solar input & 8,000W output—powers loads and charges batteries simultaneously. -
Intelligent WallMount Batteries (280Ah / 51.2V Each)
Built-in LCD, self-heating, and fire arrestors with closed-loop support for EG4, Sol-Ark, Victron, Growatt & more. -
Easy, Scalable DIY Setup
Modular and wall-mountable with integrated busbars, no external charge controllers required, and plug-and-play inverter connections. -
Remote Monitoring & Control
Access system performance and updates via the EG4 Web Monitoring platform or mobile app. -
10-Year Warranty & U.S.-Based Support
Designed for long-term performance with legendary support and full transparency.
Bundle Variants:
-
BNDL-E0012-1: 1 x Battery → 14.3kWh
-
BNDL-E0012-2: 2 x Batteries → 28.6kWh
-
BNDL-E0012-3: 3 x Batteries → 42.9kWh
Simply choose your preferred bundle above to match your energy storage needs today—with room to grow tomorrow.
User Manual / Documents:
EG4 12kPV Hybrid Inverter + 14.3–42.9kWh Indoor Battery | 12,000W PV Input, 8,000W Output | 120/240V Split Phase | Modular ESS | 10-Year Warranty
- Regular price
- $6,918.99
- Sale price
- $6,918.99
- Regular price
-
$8,499.00
No obligation — get a custom quote in minutes
Lifetime Support on Every Order, Guaranteed.
EG4 12kPV Hybrid Inverter + 14.3–42.9kWh Indoor Battery | 12,000W PV Input, 8,000W Output | 120/240V Split Phase | Modular ESS | 10-Year Warranty
Testimonials
50,000+ Happy Customers & Counting
Join the thousands of people who have already secured their energy independence.
"Amazing experience from start to finish. The team was incredibly helpful and the system is performing beyond expectations. Couldn't be happier with our decision."
"The whole process was seamless. From ordering to installation, everything was straightforward. Our electricity bill has dropped significantly!"
"Best investment we've made for our home. The customer support is outstanding — they walked us through every step of the setup process."
"We compared prices everywhere and this was by far the best deal. The quality of the panels is top-notch and installation guidance was superb."
"Great product and even better customer service. They helped us design the perfect system for our needs. Highly recommend to anyone considering solar."
"From the free proposal to the final install, everything exceeded our expectations. We're producing more energy than we consume most months!"
"Amazing experience from start to finish. The team was incredibly helpful and the system is performing beyond expectations. Couldn't be happier with our decision."
"The whole process was seamless. From ordering to installation, everything was straightforward. Our electricity bill has dropped significantly!"
"Best investment we've made for our home. The customer support is outstanding — they walked us through every step of the setup process."
"We compared prices everywhere and this was by far the best deal. The quality of the panels is top-notch and installation guidance was superb."
"Great product and even better customer service. They helped us design the perfect system for our needs. Highly recommend to anyone considering solar."
"From the free proposal to the final install, everything exceeded our expectations. We're producing more energy than we consume most months!"
Order With Confidence
Frequently Asked Questions
Find the answers to some of the most common questions customers have before placing their order.
Yes. Our team can help you choose the right solar kit based on your goals, power needs, and location. We provide personalized guidance before and after your purchase at no additional cost.
Many of our customers complete the majority of installation themselves using our diagrams and support resources. For final electrical connections, a licensed electrician may be required depending on local codes.
While we do not directly install systems, we can help connect you with qualified local professionals and provide technical documentation to support your installer.
Our return policy is normally 30 days. If you have specific questions about returns, eligibility, or specific product conditions, you can learn more in our help center linked below.
All products are backed by full manufacturer warranties. In addition, our team provides free lifetime technical support to assist you throughout the life of your system.
Yes! We offer a variety of flexible payment plans to fit any budget. Options include monthly financing with competitive interest rates, and some plans require no money down. You can apply during checkout and get approved in minutes.
If you're ready to place your order, you can go ahead and checkout online right now. If you have questions, our friendly team of solar experts are happy to assist and can take your order over the phone. If you're interested in financing, you will find the application at checkout online. So whatever is best for you, we are happy to accommodate.
Our team works hard to process all orders within 24-48 hours. Most products ship directly to your door using the quickest, most cost effective ground shipping services depending on size. You’ll receive tracking details and delivery coordination as soon as your order ships. Our average shipping times are anywhere from 3-7 days.
You’ll have free direct access to our support team via phone, email, and chat. Whether it’s setup guidance or troubleshooting years down the road, we’re here to help.
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