Great products and great sales and tech support!
Very helpful sales and tech professionals
| Quality |
Rated 5 out of 5
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| Easy to Use |
Rated 5 out of 5
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EG4-LL-S lithium batteries offer second to none performance and longevity. Get peace of mind knowing our batteries are designed to last for more than 7000 deep charge and discharge cycles and have a life cycle of more than 15 years with an 80% depth of discharge daily.
On-board LCD Touch Screen
Easy to see BMS monitoring, and selectable closed-loop communications with EG4, Schneider, Sol-Ark, Victron, Growatt, Megarevo, Luxpower, and Deye inverters.
Enhanced Safety Features
Parallel up to 64 Batteries
Included:
(1) RS485 USB Battery Comm Cable PER (6) BATTERIES (shipped separately)
Rated for 7000 deep charge & discharge cycles 15-year life with 80% depth of discharge daily, designed for up to 20-year life
Tier One, A+ Cell Composition, 99% Efficiency LiFePo4 16-Cell Pack
#1 Energy Density Server Rack Battery Form Factor
Selectable closed-loop inverter communications including Schneider, Solark, Victron, Growatt, and EG4!
Dual Onboard automatic fire arrestors Failsafe operation in high-risk environments and to protect against rare hardware failure on high-voltage solar charge controllers!
Parallel up to 16 batteries Get the most power possible! Up to 81.9kWh while maintaining BMS communications!
Have existing V1 EG4-LL Batteries? Enable expanded communication for existing V1 EG4-LL Battery Banks by using a new V2 EG4-LL Battery as your master battery. This feature will be available with a firmware upgrade that will be released soon.
Performance Components
Advanced Configurability
Reliability & Safety Testing
EG4-LL-S lithium batteries offer second to none performance and longevity. Get peace of mind knowing our batteries are designed to last for more than 7000 deep charge and discharge cycles and have a life cycle of more than 15 years with an 80% depth of discharge daily.
On-board LCD Touch Screen
Easy to see BMS monitoring, and selectable closed-loop communications with EG4, Schneider, Sol-Ark, Victron, Growatt, Megarevo, Luxpower, and Deye inverters.
Enhanced Safety Features
Parallel up to 64 Batteries
Included:
(1) RS485 USB Battery Comm Cable PER (6) BATTERIES (shipped separately)
Rated for 7000 deep charge & discharge cycles 15-year life with 80% depth of discharge daily, designed for up to 20-year life
Tier One, A+ Cell Composition, 99% Efficiency LiFePo4 16-Cell Pack
#1 Energy Density Server Rack Battery Form Factor
Selectable closed-loop inverter communications including Schneider, Solark, Victron, Growatt, and EG4!
Dual Onboard automatic fire arrestors Failsafe operation in high-risk environments and to protect against rare hardware failure on high-voltage solar charge controllers!
Parallel up to 16 batteries Get the most power possible! Up to 81.9kWh while maintaining BMS communications!
Have existing V1 EG4-LL Batteries? Enable expanded communication for existing V1 EG4-LL Battery Banks by using a new V2 EG4-LL Battery as your master battery. This feature will be available with a firmware upgrade that will be released soon.
Performance Components
Advanced Configurability
Reliability & Safety Testing
No obligation — get a custom quote in minutes
Testimonials
Join thousands of happy customers who made the switch to solar.
"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!"
Support
Can't find what you're looking for? Reach out to our friendly support team.
Contact SupportYes. 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.
Most products ship directly to your door using the most cost effective ground shipping services depending on size. You’ll receive tracking details and delivery coordination as soon as your order ships.
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.
We stand behind our products. If you have specific questions about returns, eligibility, or specific product conditions, you can learn more in our help center linked below.
All components are backed by 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. Apply during checkout and get approved in minutes.
You’ll have 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.
Flexible Financing Options
We offer a wide variety of payment plan options to meet each customer's needs.
Fill out a short application and we'll match you with multiple payment plan options instantly.
Don't sweat it. We welcome all credit scores and a credit score is not required for approval.
Some payment plans offer as little as no money down, if you qualify.*