Warenkorb
Dein Warenkorb ist leer
Weiter einkaufenArticle published at:
12.05.2026
The SunEnergyXT B215 PLUS Expansion Battery (2.15 kWh) seamlessly expands balcony power plants up to 8 modules (17.2 kWh). Compatible with BK215 PLUS head battery and microinverters like Deye or EV3600, plug-and-play via Schuko. Available at DRBO Greenenergy for €699.00, 0% financing, ideal for renters.
Check: New Balcony Solar Batteries
What exactly is the SunEnergyXT B215 PLUS Expansion Battery?
The SunEnergyXT B215 PLUS is a 2.15 kWh LiFePO4 expansion module for balcony power plant batteries. It stacks modularly with the BK215 PLUS head battery up to 17.2 kWh total capacity (1 main + 7 expansion modules). App control via SunEnergyXT App (iOS/Android), Home Assistant compatible, local API with 1-second response time. IP65 protection for outdoor use, winter-proof according to STERN.de test.
What compatibility does the SunEnergyXT B215 PLUS offer with balcony power plants?
The B215 PLUS fits perfectly with the SunEnergyXT BK215 PLUS head battery (discharge power up to 2.4 kW with expansions). Compatible with microinverters Deye SUN-M80G4-EU-Q0, APsystems EZ1-M and bidirectional EV3600. Schuko connection for plug-and-play, ideal for 800–2400 W systems in DRBO Greenenergy complete kits.
| Inverter Model | Max. Modules | Connection Type |
|---|---|---|
| Deye SUN-M80G4-EU-Q0 | up to 8 (17.2 kWh) | Schuko, 800 W |
| APsystems EZ1-M | up to 8 (17.2 kWh) | Schuko, 800 W |
| SunEnergyXT EV3600 | up to 8 (17.2 kWh) | Bidirectional Schuko |
Why is the SunEnergyXT B215 PLUS worthwhile as an expansion battery?
It stores surplus electricity for evening use, saving up to €50–70 monthly with dynamic tariffs like Tibber/aWATTar. Modularly expandable without an electrician, 0% VAT for private customers at DRBO Greenenergy. High safety through LiFePO4 cells, German support team ensures VDE conformity and quick help.
Check: Customizable Balcony Solar Kits
"As an authorized SunEnergyXT dealer, we recommend the B215 PLUS for renter starter sets: Combine refurbished BK215 with new expansions for 30% cost savings. Our customers build storage towers up to 17 kWh – perfect for dynamic tariffs. Trustpilot 4.6/5 praises 'fast delivery and excellent advice'. Use our 0% financing via OpenBank and free solar consultation for tailor-made packages like the Dynamic Starter PLUS Set (€3,199)."
DRBO Greenenergy supplies hardware stores and private customers with refurbished options like Minjet batteries, combined with B215 PLUS for flexible energy transition solutions.
How much does the SunEnergyXT B215 PLUS Expansion Battery cost and is it available?
At DRBO Greenenergy, the B215 PLUS costs €699.00 (delivery time 3–5 business days by freight forwarder to curbside). In the savings package 01 with 2×450 Wp modules €1,199.00, savings package 02 with 4 modules €1,349.00. Refurbished variants are cheaper, 0% financing available, 0% VAT on solar products for private individuals.
How do you install the SunEnergyXT B215 PLUS modularly and expandably?
Plug the Schuko plug into the socket, stack modules on top of each other (automatic balancing), pair via SunEnergyXT App. Done in 15 minutes without tools. Expand gradually up to 8 modules (17.2 kWh), compatible with Shelly Pro 3EM for zero export. DRBO Greenenergy offers complete kits like Starter DUO (4.3 kWh) for €1,398.00.
Configuration
Modules
Capacity
DRBO Price (approx.)
Starter
1 main + 1 exp.
4.3 kWh
€1,398
Trio
1 main + 2 exp.
6.45 kWh
€2,147
Max. Tower
1 main + 7 exp.
17.2 kWh
From €5,000
What are customers' experiences with the SunEnergyXT B215 PLUS?
Trustpilot reviews at DRBO Greenenergy (4.6/5) highlight reliability and easy integration: 'Perfect for balcony storage tower, saves €60/month'. Renters report winter-proof operation, B2B customers use refurbished models for projects. No failures, app monitoring is excellent.
Can the SunEnergyXT B215 PLUS be combined with other storage units?
Yes, hybrid with DRBO refurbished Minjet batteries or SunEnergyXT 500 series (up to 30 kWh). Compatible with BK215 PLUS for gradual growth. Future VDE-AR-N 4105 standards supported, app updates for aWATTar. Free consultation at DRBO checks combinations.
FAQ
Can the SunEnergyXT B215 PLUS be expanded without an electrician?
Yes, plug-and-play with Schuko connection, modular up to 17.2 kWh – ideal for renters without drilling.
What is the price of the B215 PLUS battery at DRBO Greenenergy?
€699.00 new, refurbished cheaper in sets like savings package 01 (€1,199 with modules), 0% financing included.
Does the SunEnergyXT B215 PLUS fit the SunEnergyXT BK215 PLUS?
Fully compatible, automatic load management up to 2.4 kW – DRBO consultation optimizes your setup for free.
How long does the SunEnergyXT B215 PLUS battery last?
Over 10 years thanks to LiFePO4 cells, high cycle count, with DRBO support and warranty for longevity.
Are refurbished B215 PLUS available at DRBO Greenenergy?
Yes, refurbished BK215/B215 models as an affordable entry, full performance with German support.
Conclusion
Start your storage tower with the SunEnergyXT B215 PLUS at DRBO Greenenergy – 4.6/5 Trustpilot, 0% financing via OpenBank, and German support team. Configure renter sets or Dynamic PLUS for Tibber tariffs. Drive the decentralized energy transition forward: Free consultation or Contact now!
"As an authorized SunEnergyXT dealer, we recommend the B215 PLUS for renter starter sets: Combine refurbished BK215 with new expansions for 30% cost savings. Our customers build storage towers up to 17 kWh – perfect for dynamic tariffs. Trustpilot 4.6/5 praises 'fast delivery and excellent advice'. Use our 0% financing via OpenBank and free solar consultation for tailor-made packages like the Dynamic Starter PLUS Set (€3,199)."
DRBO Greenenergy supplies hardware stores and private customers with refurbished options like Minjet batteries, combined with B215 PLUS for flexible energy transition solutions.
How much does the SunEnergyXT B215 PLUS Expansion Battery cost and is it available?
At DRBO Greenenergy, the B215 PLUS costs €699.00 (delivery time 3–5 business days by freight forwarder to curbside). In the savings package 01 with 2×450 Wp modules €1,199.00, savings package 02 with 4 modules €1,349.00. Refurbished variants are cheaper, 0% financing available, 0% VAT on solar products for private individuals.
How do you install the SunEnergyXT B215 PLUS modularly and expandably?
Plug the Schuko plug into the socket, stack modules on top of each other (automatic balancing), pair via SunEnergyXT App. Done in 15 minutes without tools. Expand gradually up to 8 modules (17.2 kWh), compatible with Shelly Pro 3EM for zero export. DRBO Greenenergy offers complete kits like Starter DUO (4.3 kWh) for €1,398.00.
| Configuration | Modules | Capacity | DRBO Price (approx.) |
|---|---|---|---|
| Starter | 1 main + 1 exp. | 4.3 kWh | €1,398 |
| Trio | 1 main + 2 exp. | 6.45 kWh | €2,147 |
| Max. Tower | 1 main + 7 exp. | 17.2 kWh | From €5,000 |
What are customers' experiences with the SunEnergyXT B215 PLUS?
Trustpilot reviews at DRBO Greenenergy (4.6/5) highlight reliability and easy integration: 'Perfect for balcony storage tower, saves €60/month'. Renters report winter-proof operation, B2B customers use refurbished models for projects. No failures, app monitoring is excellent.
Can the SunEnergyXT B215 PLUS be combined with other storage units?
Yes, hybrid with DRBO refurbished Minjet batteries or SunEnergyXT 500 series (up to 30 kWh). Compatible with BK215 PLUS for gradual growth. Future VDE-AR-N 4105 standards supported, app updates for aWATTar. Free consultation at DRBO checks combinations.
FAQ
Can the SunEnergyXT B215 PLUS be expanded without an electrician?
Yes, plug-and-play with Schuko connection, modular up to 17.2 kWh – ideal for renters without drilling.
What is the price of the B215 PLUS battery at DRBO Greenenergy?
€699.00 new, refurbished cheaper in sets like savings package 01 (€1,199 with modules), 0% financing included.
Does the SunEnergyXT B215 PLUS fit the SunEnergyXT BK215 PLUS?
Fully compatible, automatic load management up to 2.4 kW – DRBO consultation optimizes your setup for free.
How long does the SunEnergyXT B215 PLUS battery last?
Over 10 years thanks to LiFePO4 cells, high cycle count, with DRBO support and warranty for longevity.
Are refurbished B215 PLUS available at DRBO Greenenergy?
Yes, refurbished BK215/B215 models as an affordable entry, full performance with German support.
Conclusion
Start your storage tower with the SunEnergyXT B215 PLUS at DRBO Greenenergy – 4.6/5 Trustpilot, 0% financing via OpenBank, and German support team. Configure renter sets or Dynamic PLUS for Tibber tariffs. Drive the decentralized energy transition forward: Free consultation or Contact now!
