VARTA.Wall 20 – HV storage (20,0 kWh usable)
The VARTA.wall 20 is the most powerful member of the VARTA.wall product family. With 20,0 kWh usable capacity This high-voltage storage system is perfect for multi-family homes, small businesses, or energy-intensive private households. The modular and space-saving design, combined with robust lithium-ion technology, ensures maximum independence, scalability, and security in modern energy management.
- Enormous capacity: 20,0 kWh usable – ideal for large consumers and maximum self-sufficiency
- Modular & flexible: Stackable from 4 storage modules of 5,0 kWh each; easy expansion possible at any time
- High-quality Li-ion technology: 21700 round cells, long service life and high cycle stability
- Extremely slim: Only 10 cm deep – saves space when mounted on the wall or floor
- Integrated BMS: Maximum safety through continuous cell monitoring and intelligent battery management
- Compatible with leading hybrid inverters (e.g. SMA, Kostal)
- VARTA quality and guarantee: Made in Germany, 10-year warranty after registration
Technical information
| Capacity (usable) | 20,0 kWh |
| memory type | High-voltage lithium-ion (NCA, 21700 round cells) |
| nominal voltage | 403,2 V |
| Modules | 4 × VARTA.wall storage modules of 5,0 kWh each |
| Class | IP55 (for indoor and covered installation) |
| Dimensions (W × H × D) | 605 × 1.502 × 100 mm |
| Weight | Approx. 160 kg |
| Operating temperature | -10 ° C to +50 ° C |
| Guarantee | 10 years (after registration) |
Special Notes
- For operation, a VARTA.wall Master Unit necessary as a control unit.
- Expansion or retrofitting of additional modules up to 20 kWh is possible at any time.
- Installation recommended only by certified VARTA partners.
This product contains batteries. » More information about batteries + notes
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