SunEnergyXT BK215 PLUS Configurable Storage System

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SunEnergyXT BK215 PLUS

The SunEnergyXT BK215 PLUS is a high-performance, modular battery storage system for balcony solar systems and small PV installations. It stores the solar electricity you generate efficiently for later use, whenever you need it.

More independence from the power grid

Surplus solar energy is stored automatically during the day and made available in the evening, at night or when sunlight is low. This reduces grid consumption and electricity costs and noticeably increases your use of your own solar power, without complex installation.

Compatible & flexible

The BK215 PLUS is compatible with common microinverters such as APsystems and Deye. Two solar panels can be connected to each PV input, in series or in parallel depending on the panel configuration.

Output power up to 2,000 W at 2.15 kWh
Up to 2,400 W with storage capacity of 4.3 kWh or more

Observe the applicable statutory power limits for balcony solar systems.

Modular expansion up to 17.2 kWh

The base module with 2.15 kWh can be combined with up to 7 expansion modules. The modules can be stacked or installed side by side to save space. Storage capacity grows with your energy needs, without replacing the system.

Intelligent zero export

With a suitable energy meter, the storage system dynamically adjusts its power to actual household consumption. Surplus energy is not exported to the public grid. Supported devices include:

Shelly 3EM / Shelly 3EM Pro
Bitshake IR reading head (Tasmota)
EcoTracker

Expandable with AC charging & additional functions

With the optional SunEnergyXT EV3600 module the storage system can also be charged from a standard 230 V socket. This enables applications including:

AC-coupled storage of PV surplus
Use of dynamic electricity tariffs
Local backup power
Integration with EV chargers and energy management systems

Full visibility through the app

The SunEnergyXT App provides real-time information on charge level, energy flows and history. Adjust settings remotely for maximum control over your solar energy.

Suitable for indoor and outdoor use

Thanks to its IP65 protection rating, the BK215 PLUS is reliably protected against dust and splashing water and can be operated outdoors without difficulty.

BK215 PLUS als Basis des modularen Speichersystems

Der BK215 PLUS bildet den Kopfspeicher des PLUS Systems. B215 PLUS Erweiterungsspeicher ergänzen die Kapazität, ohne dass Du das Grundsystem wechseln musst.