Company Review

Sonnen Solar Battery Review

Solar Run
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  • An expensive “all-in-one” premium battery
  • Designed in Germany, they are well established in South Australia
  • Long lasting high performing batteries

Are sonnen batteries any good?

Yes. Sonnen provide premium “all in one” Battery and Inverter solution. Here at Solar Run we understand that a Solar Battery is still an expensive addition to your Solar System. Solar Run recommends Sonnen when performance is the most important consideration and price is not an obstacle.

Sonnen batteries have been widely installed in South Australia and are well suited to Australian conditions. They also offer a Virtual Power Plant option called sonnenFlat. While they are commonly written as Sonnen, they themselves prefer to not to capitalise the S (sonnen).

If you are looking for a high performing battery then you will be looking at an Sonnen battery.

About the company

Sonnen believes that it is already possible to economically produce clean energy at home today. Started as an idealistic idea Sonnen has become one of the biggest producers of intelligent energy storage systems. The headquarters of sonnen is in Wildpoldsried – a Bavarian village that is already running on 100% renewable and clean energy. Wildpoldsried is the development and production location of the sonnenBatterie available in Australia.

  • 40,000 installed systems
  • Founded in 2010

Why should I choose an sonnen battery?

Panel Typeperformance Performancecompatibility Compatibilityvalue ValueVPP ReadyVPP Readysize Size

When you want the best battery for Australian conditions.

All of their batteries are clean energy council approved. Widely sold in South Australia Sonnen provides market leading batteries. Here in Australia we get very cold temperatures in Winter and very hot temperatures in Summer. Even so it is usually recommended that solar batteries are keep away from direct sun. Sonnen batteries have a wide range of operating temperatures.

When you want a battery that is compatible with your inverter.

Some batteries are only compatible with a very limited range of inverters while others are compatible with many different inverters. sonnenBatterie includes their own inverter.

When you need an affordable battery.

Solar Batteries, or ESS (Energy Storage Systems) as the are known, are something that every solar system owner should consider. However, for many the higher prices will be a barrier as even the most affordable Solar batteries cost as much or more than the rest of the solar system combined. Sonnen prices are more expensive than some other leading Solar Battery Providers.

When you want a VPP (Virtual Power Plant) ready battery.

Sonnen batteries are a great choice if you are considering signing up to a VPP (Virtual Power Plant). A VPP, for those not familiar with the term, allows many solar systems to act together as a power plant. Collectively a VPP can then store power when it is cheap and sell it when the price is higher more effectively than a single solar system owner. VPPs are not yet common but being “VPP ready” is a must to claim the South Australian Battery Rebate.
Sonnen runs their own VPP system called sonnenFlat (available in South Australia).

When the size and expandability of the battery is important.

ESS/Solar batteries come in different sizes and shapes. They also come in different setups; some batteries have variable capacity while others have a fixed capacity. Sonnen batteries are large. They come in a single size but their battery capacity can be increased in increments of 2.5kW.

When you want an uninterrupted power supply during a black out.

What many people don’t know is that most solar systems will not work unless connected to the grid. Sonnen provides a module that allows you to use some of your solar generation during a black out. It is not uninterrupted though.

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