YOUR SMART AND MIGHTY HOME BATTERY SOLUTION.

Back up more of your home with eco.

eco with family in home entryway

eco

Our proven original home battery solution that expands to meet your home’s energy needs with clean, reliable power. 

  • ULTRA LONG-LASTING, 100% RECYCLABLE TECHNOLOGY.
  • OPTIMIZE HOW YOU USE ENERGY WITH AMPLE BACKUP RESERVE.
  • FREE 10 YEAR / 10,000 CYCLE WARRANTY.
20 killowatt hour max capacity

max capacity

24/7 protection

protection

Zero maintenance

emissions

100% recyclable

recyclable

CREATE A CLEANER, HEALTHIER HOME.

Power your home with stored clean energy on your terms.

Experience what’s possible with eco — with or without solar.

Solar panels on roof

USE SOLAR POWER 24/7.

Pair with solar to harvest clean, abundant energy to use later — reducing your carbon footprint.

Keep the lights on in a power outage

STAY POWERED THROUGH OUTAGES.

Seamlessly back up more of your home essentials when the grid goes down.

Smart thermostat on the wall

LOWER YOUR ENERGY BILLS.

Reduce your reliance on the grid when rates are high with smart preferences you can set and forget.

sonnen batteries virtually connected

CONTRIBUTE TO A MORE RESILIENT GRID.

Enroll your battery in local utility programs to share your clean power, earn cash back, and reduce emissions.
 

Man holding smartphone

CONTROL YOUR ENERGY FROM ANYWHERE.

Optimize your settings for backup, peak periods, and solar usage and monitor your energy on demand.

Little girl with sonnen eco keeping lights on in power outage

CUSTOMIZE YOUR BATTERY SIZE.

Right size your battery with 10 - 20 kWh options to power what matters most in your home.

sonnen eco energy storage system in garage

COMPLEMENT YOUR HOME'S UNIQUE STYLE.

Enjoy a modern, all-in-one, child-friendly design that distinguishes your home.

Man shoveling snow after a storm

SAVE YOUR GENERATOR FOR EMERGENCIES.

Integrate a generator to keep your battery full in an extended outage — with or without solar.

Hiker surrounded by trees

RECYCLE YOUR BATTERY.

Minimize your environmental impact with lithium-iron-phosphate batteries that are durable, safe, and 100% recyclable.

HIGH-PERFORMANCE, SCALABLE BATTERY TECHNOLOGY.

Take a look inside eco.

eco

POWER UNIT
Continuous output: (AC) 3-8 kW 
Peak output: 8.5 - 17 kW
AC specifications: Up to 8 kW solar inverter
Round-trip efficiency: >86% 

ENERGY CAPACITY
Usable capacity: 5 kWh-20 kWh (in 2.5 kWh steps)
Depth-of-discharge (DoD): 90%

INSTALLATION
Dimensions (in) W/H/D:
26/57/19 (eco 5) - 26/84/19 (eco 10+)
Weight (approximate):
394 lbs. (eco 5) - 936 lbs. (eco 20)
Ambient temperatures: 41-113 °F
Enclosure rating: NEMA 12 (indoor)

white eco Gen 3.1 unit

LIFESPAN / WARRANTY*
Battery chemistry: Lithium-iron-phosphate
Warranty: 10,000 cycles or 10 years
*Please observe applicable warranty conditions.

CERTIFICATIONS
ETL Listed to UL9540, UL1741 (Inverter), and UL1973 (battery modules) standards
FCC part 15 Class B compliant

APPLICATIONS
Time-of-use load shifting
Solar self-consumption
Emergency backup power
Automatic transfer switch: Built-in 200A 
Transfer time: 30 seconds

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BE PART OF THE CLEAN ENERGY TRANSITION

Bring sonnen into your home.

BRING CLEAN ENERGY TO YOUR CUSTOMERS

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