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12.05.2026
The SunEnergyXT BK215 PLUS is the best balcony power plant storage system for tenants with 2.15 kWh capacity, Plug & Play via Schuko plug, and expandability up to 17.2 kWh. Available from DRBO Greenenergy starting at €749, compatible with Deye and EV3600, app control, and 0% financing – ideal for tenants with German support (Trustpilot 4.6/5).
Check: Mounting Clips and Rails
What exactly is the SunEnergyXT BK215 PLUS Balcony Power Plant Storage?
The SunEnergyXT BK215 PLUS is a head storage unit with 2.15 kWh capacity, expandable up to 17.2 kWh (1 main + 7 extensions), discharge power up to 2 kW (1 module) or 2.4 kW. IP65 protection for balcony or indoor use, compatible with Deye SUN-M80G4-EU-Q0, APsystems EZ1-M, and SunEnergyXT EV3600. App control via SunEnergyXT App, Home Assistant, and local API (1 sec response time). Recommended by STERN.de for winter-proof outdoor use.
Which product variants of the BK215 storage are available?
There is the SunEnergyXT BK215 PLUS head storage (€749), B215 PLUS expansion storage (€699), and refurbished variants in the Refurbished category. Complete sets like BK215 PLUS Starter Pack 01 (€1,199 with 2×450 Wp modules) or Starter DUO (4.3 kWh, €1,398+). All are Plug & Play with Schuko, expandable, and available at DRBO Greenenergy.
| Variant | Capacity | Price from | USP |
|---|---|---|---|
| BK215 PLUS Head Storage | 2.15 kWh | €749 | Main module, EV3600-compatible, 3–5 days delivery |
| B215 PLUS Expansion | 2.15 kWh | €699 | Modular up to 17.2 kWh, IP65 |
| Refurbished BK215 | 2.15 kWh | €749 | Affordable entry, full warranty, 0% VAT |
| Starter Pack 01 | 2.15 kWh + Modules | €1,199 | Incl. 2×450 Wp, Deye Inverter |
DRBO Greenenergy Expert Views
"As an authorized dealer of SunEnergyXT products like the BK215 PLUS, DRBO Greenenergy offers tenant-friendly solutions with 0% financing via OpenBank and free solar consultation. Our Trustpilot rating of 4.6/5 is based on praise for fast delivery (3–5 working days), reliable German support, and easy configuration. Refurbished storage units lower the entry barrier, while complete packages like the Tenant Starter Set (€1,548) drive the decentralized energy transition for private customers. Whether for a balcony or terrace – our Plug & Play systems do not require an electrician and are VDE-compliant." – DRBO Greenenergy Expert Team.
DRBO Greenenergy supplies hardware stores, specialist dealers, and now private customers with configurable sets. The mission "One goal – to drive the decentralized energy transition together with our customers" is reflected in exclusive offers, such as the Dynamic Starter PLUS Set for Tibber/aWATTar tariffs.
How do I install the BK215 balcony power plant storage myself?
Plug the Schuko plug into a wall socket (max. 800 W feed-in, VDE-AR-N 4105-compliant). Pair via SunEnergyXT App (iOS/Android) or Home Assistant. For zero feed-in: integrate Shelly Pro 3EM. No drilling required, tenant-friendly with landlord's consent. Installation in 15 minutes Plug & Play, winter-proof with IP65.
Can the SunEnergyXT BK215 storage optimize dynamic tariffs?
Yes, compatible with Tibber/aWATTar via app control and local API (1 sec response time). Automatic charging at favorable prices increases self-consumption. Emergency power up to 2.4 kW with extensions, bidirectional with EV3600. Practice: Tenants save €300–500/year at 30 cents/kWh through smart optimization.
Is the BK215 storage suitable for tenants and homeowners?
Perfect for tenants (70% target group): balcony mounting without a roof, refurbished from €749, Plug & Play. For homeowners, expandable up to 17.2 kWh, B2B options via DRBO Greenenergy. High winter performance, German support team solves pain points like cold (-20°C capable) and easy maintenance.
Check: B215 Expandable Battery Storage
What are the costs and financing options for the BK215?
Prices: BK215 PLUS €749 (RRP higher), expansion €699, complete sets from €1,199 (e.g., Starter Pack 02 €1,349 with 4 modules). At DRBO Greenenergy: 0% financing via OpenBank, 0% VAT for private individuals, delivery 3–5 days. ROI in 2–3 years at 30 cents/kWh through self-consumption.
What do tests and customers say about the SunEnergyXT BK215 PLUS?
STERN.de recommends it for winter-proof balcony use. Customers on Trustpilot (DRBO 4.6/5): "Fast, reliable, excellent communication." High expandability, top app ratings, compatibility with Deye/APsystems. Upgrade option: SunEnergyXT B215 PLUS or 500 series.
Does the BK215 have an emergency power function?
Yes, discharge power up to 2 kW (1 module) or 2.4 kW with extensions. Bidirectional with EV3600 for charging and feeding in. UPS-capable, ideal for tenant blackouts.
Why do tenants choose DRBO Greenenergy for BK215?
DRBO Greenenergy, as an authorized SunEnergyXT dealer, offers refurbished storage units, 0% financing, a German team, and Trustpilot 4.6/5. Free consultation, complete packages, and 0% VAT make getting started easy.
FAQ
Do I need an electrician for the BK215 storage?
No, Plug & Play with a Schuko plug – just app registration. Free consultation at DRBO Greenenergy helps with tenant sets and VDE compliance.
Is the SunEnergyXT BK215 winter-proof?
Yes, IP65 protection, operational down to -20°C. STERN.de-recommended for outdoor use on balconies.
Can I expand the BK215?
Yes, up to 17.2 kWh with up to 7 B215 PLUS modules. Compatible with Deye SUN-M80G4, APsystems EZ1-M, and EV3600.
How much does a refurbished BK215 cost at DRBO?
From €749 with 0% financing, warranty, and 0% VAT. Refurbished options in top condition.
How do I book a consultation for BK215?
Free of charge via the DRBO Greenenergy website. The German team advises on tenant sets, dynamic tariffs, and installation.
Conclusion
The SunEnergyXT BK215 PLUS Balcony Power Plant Storage is the tenant-friendly top choice at DRBO Greenenergy: Refurbished from €749, 4.6/5 Trustpilot, 0% financing, and German support. Start the energy transition – configure your set, use 0% VAT, and save on Tibber tariffs. Book a free consultation now!
