Energy storage

sonnenProtect 4000

The perfect backup solution for the sonnenBatterie 10.

Discharge 4 kW
Switchover time 5 sec.
Protection IP 65

Keep your lights on with our backup solution.

sonnenProtect 4000 ensures that power outages are a thing of the past when installing a sonnenBatterie 10. Together, they detect potential power outages in the grid and once detected, they secure your home and switch to island mode to keep your solar panels and battery running.

Get a quote

Advtanges at a glance.

Keep your home energy system on.

Our backup box will automatically detect and protect your entire energy system from the grid by switching to island mode where you can keep your solar panels and battery on.

Switchover time of 5 seconds.

The backup box will switch over in about 5 seconds securing yourself from the grid until the grid is back up and running again.

Overload-power of 4.6 kW.

For a maximum of 30 minutes, you can overload your discharge rate up to 4.6 kW for any heavy loads your home may require.

Get a quote

sonnenBatterie 10 – Energy storage

The all-round talent for intelligent energy storage systems.

The sonnenBatterie does not only store energy, its smart. As an intelligent, backup capable, energy storage system, sonnenBatterie 10 ensures your home uses as much self-generated energy as possible before going to the grid for more energy. Gain your energy independence now and secure yourself against the constant increase of electricity prices.

Learn More

sonnenCommunity

As a sonnen customer you are part of the sonnenCommunity and together we share one vision: clean and affordable energy for everyone.

Join us

Frequently Asked Questions

How does the sonnenProtect 4000 work?: The sonnenProtect 4000 will automatically detect a power outage. The switchover time to secure your home from the grid is around 5 seconds. Securing your home is crucial so that you can keep your sonnenBatterie and PV panels up and running. This will allow you to continue to generate, store, and use energy in your home.
Can I protect myself effectively against power outages?: sonnenBatterie 10 owners can protect themselves against power outages effectively with the sonnenProtect 4000. sonnenProtect 4000 is a single-phase emergency power solution that allows you to continue to use the remaining energy stored in the battery with a charge and discharge rate of 4.0 kW or at 4.6 kW for a surge of 30 minutes if needed.
How much power can I used during a power outage?: You can charge and discharge your sonnenBatterie 10 up to 4.0 kW. For 30 minutes you can overload and discharge up to 4.6 kW.
Can I set my sonnenBatterie to leave a residual amount of energy in case of a power outage?: Yes, you can set your sonnenBatterie up so that you have a residual amount of power left over in your energy storage system so that when a power outage hits, you will have at least the chosen amount left to use.