Lunar System — Home battery storage | Lunar Energy
Get more. Every day.
Any solar and battery system saves you money and keeps the lights on. Lunar does more.
More savings
An energy nerd in your pocket.
Lunar AI makes a custom plan every day for every home to maximize savings. Homes even earn extra dollars by sharing energy back to the grid.
More backup
When the grid is out, every Watt has a job.
Lunar developed unprecedented controls to manage that energy with Eaton’s AbleEdge smart breakers.
More earnings
Your battery earns its keep. Virtual Power Plant programs pay you to share stored energy when the grid needs it most. Enroll in minutes. Earn hundreds.
More storage
15, 20, 25, or 30 kWh.
One modular system. One clean unit on your wall. Scale up as your needs grow — without starting over.
More insights
With the Lunar App
The Lunar App puts your whole energy system in your hand. Watch it work. Track your savings. Stay protected — whatever the weather brings. Award-winning design that makes the complex feel simple.
More earnings
With the Lunar Virtual Power Plant
When the grid needs power, it pays for yours. Virtual Power Plant programs connect your battery to the grid during peak demand — and cut you a check for showing up. Enroll in minutes, right in the Lunar App.
Kevin in Redwood City made an additional $482 in VPP earnings in 2025.
Last year, Jennifer in San Jose earned an extra $473 by participating in Lunar’s Virtual Power Plant.
Steve in Pleasanton turned his extra energy into cash and made $423 in VPP earnings in 2025.
Last year, Stephen in Danville made an additional $345 by participating in Lunar’s Virtual Power Plant.
Making more energy than we use and sharing it, now that’s a win-win.”
–
The Lucas Family, San Jose
Sign-up was easy, and payouts happen digitally. The Lunar System only dispatches energy when it makes sense for my house.”
–
Kyle, Fremont
It feels like being part of a team, helping keep the lights on in my community.”
–
Brandon, Orinda
Beauty. And beast.
Built for mother nature. (And her worst)
Choose 15, 20, 25, or 30 kWh — modular blocks that configure to your home and sit flush as a single unit on your wall. And don't let the clean lines fool you. The Lunar Battery is also rated for extreme heat and cold and can be installed indoors and outdoors.
Lunar System components
Lunar System
The Lunar System includes the Lunar Battery, Maximizers, Bridge or meter socket adapter, and smart breakers.
- Capacity: 15 kWh to 30 kWh
- Output power: 9.6 kW Continuous, 15 kW Peak (5s)
- Backup Experience: 134 max LRA start, Seamless backup transition
- Safety: UL 9540A indoor and outdoor
Lunar Battery
The Lunar Battery delivers 15–30 kWh of modular storage in a single tower for flexible, high-performance energy backup.
- Block Size (battery or inverter): 10.6 x 24.4 x 13.5’’ (L x W x D)
- Weight: Battery block: 96 lb, Inverter block: 42 lb
- Installation: Indoor or outdoor, Wall or floor mount, Conduit entry from either side or hidden
- Warranty: 12.5 years
Lunar Maximizers
The Lunar System uses Maximizers behind every solar panel to make sure a little shade on one panel doesn’t decrease the overall system’s output.
- Max Input Power: 650 W
- PV String Size: 9 - 24 Modules per string, Max 3 Strings
- Warranty: 25 years
Lunar Bridge
Connects your home to the grid and acts as your electrical panel to monitor and send power where it’s needed.
- Panelboard: 20 space / 40 circuits
- Current Rating: 200A
- Warranty: 12.5 years
Meter Socket Adapter
The ConnectDER IslandDER Meter Socket Adapter connects your Lunar System to the grid quickly, without relocating circuits and breakers.
- Maximum Continuous Current: 200A
- Warranty: 12.5 years
Smart Breakers
With Eaton’s AbleEdge smart breakers in the Lunar System, you can automatically drop non-essential appliances during an outage, saving energy for what matters most.
- Current Rating: 15/20/30/40/50/60A4
- Warranty: 10 years mechanical, 3 years electronics
FAQ
How much can homeowners save with Lunar Energy?
Savings vary by energy use, utility rates, and available programs. In 2025, California customers gained an average of $338 in additional value from Lunar AI and earned an average of $464 through Lunar’s virtual power plant for a total of $802 in combined additional value beyond standard battery operation.
How can I purchase and install the Lunar System?
Fill out this form, and we’ll connect you with a Lunar Certified Installer who can build a proposal for your home.
What makes Lunar Energy different?
Take one customer’s point of view. Jacquelyn says, “I appreciate how engaged and receptive Lunar is to its customers. I genuinely feel that Lunar cares about my experience and wants to help us achieve our energy and solar goals. Companies that take such good care of their customers while delivering real value deserve every success.”
How does Lunar Energy compare to other solar batteries?
Lunar’s software sets it apart. Any solar and battery system can lower bills and avoid power outages — the Lunar System with Lunar AI makes a custom plan for your home every day to get the most out of your home’s personal power plant.
Designed in California.
Built for everywhere.
Every part of the Lunar System was developed and tested in Mountain View, California and assembled in the United States. Lunar was founded by a team that helped pioneer home solar and battery technology, with deep roots in hardware and software from the companies that started this industry.
Design your System
Save money, make money, avoid grid outages, and power your life with clean energy day and night.