Simply Greater Independence
The Sunny Boy Storage is the battery inverter for high-voltage batteries from important reputable manufacturers. With a charge and discharge power of 2.5 kW, it is ideally suited to handle electricity demand of a private household.

More sun for the home
Storing solar energy simply and cost-effectively

The Sunny Boy Storage is the right solution for people who want to make their home independent from conventional electric utility companies and rising electricity costs by using intermediate storage for their solar energy. This gives you maximum flexibility both now and in the future.

A smart combination
Flexible and cost-effective system design around the clock

With the Sunny Boy Storage, customers benefit from markedly reduced system and installation costs and flexible applications. Thanks to AC coupling, the battery inverter can be installed or expanded in any location, at any time, regardless of whether or not there is already a PV system installed. The Sunny Boy Storage is a true jack-of-all-trades, one that uses high-voltage technology to make it cost-efficient and light weight. It also uses just a few components, because the most important functions for intelligent battery management are already integrated. This makes the Sunny Boy Storage the ideal choice for putting more sun in your electricity supply.

Flexible

For new and existing systems: reduced installation costs, can be retrofitted and expanded at any time, as needed

For almost all PV system types: string inverters, module inverters and power optimizers

Can be combined with numerous types of energy: PV, wind energy, combined heat and power plants

Choice of lithium-ion battery (currently Tesla Powerwall, additional batteries to follow shortly

Efficient

Most cost-effective AC-connected battery inverteron the market

97% efficiency allows for optimal use of cached energy

Maximum PV yields while meeting all applicable regulations for feed-in limits (e.g., EEG, KfW 275, Zero Export)

Easy to use

Quick and straightforward one-person installation, thanks in part to it weighing only 9 kg

Simple installation using a smartphone or tablet via WLAN and an intuitive web interface

Everything at your fingertips thanks to its direct connection to Sunny Portal / Sunny Places