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sonnenCore product
Battery Technology


Scalable. Sustainable. sonnenCore+ powers your essentials with an all-in-one, 100% sonnen engineered solution.

  • Capacity 10 or 20 kWh
  • Installation Indoor
  • Cycle Warranty 10 yr/10,000
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The Foundation for a Clean Energy Future.

The sonnenCore+ is an intelligent energy storage solution that is safe, long-lasting and offers options for both 10 kWh and 20kWh of battery capacity. The sleek design combines smart energy management software with robust batteries to efficiently manage home energy usage throughout the day, store excess solar power for use at night and provide reliable emergency backup power during grid outages


Download the new sonnen App!

Take control and manage your clean energy to power your life at home.

1. Get more insights into your energy usage with Data Mode

2. Learn how you are contributing to the sonnenCommunity and a clean energy future

3. Manage how your home stays powered and protected during outages

A picture showing a man holding a phone at sunset. The phone is displaying the sonnen App.

sonnenCore+ is a unique home battery innovation from sonnen, a global leader in energy management.

Long-Lasting & Safe.

sonnenCore+ uses ultra-safe, durable battery technology that comes with an industry leading 10-year or 10,000 cycle product warranty and an estimated lifetime energy throughput of up to 198 MWh (see Warranty for details).

Scalable energy management.

The sonnenCore+ home battery solution is available in 10 kWh or 20 kWh sizes, allowing you to power and protect more of your home essentials. 

Quiet, Sustainable Design.

The sonnenCore+ is a sleek home battery that’s as quiet as a whisper and built with batteries that are 100% recyclable (at an R2 facility), so it’s good for your home and the planet.

A day in the life of a sonnen battery.

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How the sonnenCore+ Battery works
Wattsmart Program

Join the Utah Wattsmart Battery Program to earn rewards.

Now all Rocky Mountain Power customers in Utah and Idaho can qualify for the Wattsmart Battery Program when they add a sonnen battery to their solar home. This utility program connects residential batteries across the states, creating a distributed, virtual clean energy management system that supports the local community and the power grid while providing you with benefits:

✓ Get an upfront incentive when you enroll.

✓ Earn ongoing bill credits.

✓ Help create a healthier environment.

✓ Keep electric prices among the nation's lowest. 

✓ Use renewable energy effectively.

Get to know sonnenCore+.