Unverified catalog entry.
This record was generated from the SKU definition. No manufacturer datasheet has been checked, so specifications, certifications and compliance status are not confirmed.
sonnen GmbH (Shell Energy) 2.5kWh Sodium-ion (High-Voltage Stackable Tower)
2.5 kWh Sodium-ion battery storage, high-voltage stackable tower. Not yet checked against a manufacturer datasheet.
Efficiency unpublished
Warranty unpublished (scored as lowest tier)
$450/kWh usable (from rated capacity)
no certifications published
Methodology 2026.10-v1 · Not yet verified — scores use unconfirmed catalogue data · Ranked, not sponsored
- Certifications: None of NF C 15-100, UTE C 15-712-1, CE, QualiPV found in published specs — confirm with the datasheet.
- Grid interconnection: Enedis-NOI-RES_13E / DIN V VDE V 0126-1-1 / EN 50549-1
- Legal register: Unverified
Register merge of jurisdiction, policy, and legal-seed data. Unmatched items stay unverified — confirm with the datasheet and local authority before purchase.
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Comprehensive Technical Specifications
Standard Test Conditions (STC): Irradiance 1000 W/m², Cell Temperature 25°C, AM1.5
| Gross Storage Capacity | 2.5 kWh |
| Battery Chemistry | Sodium-ion |
| Form Factor | High-Voltage Stackable Tower |
Hardware Compatibility & System Pairing
Physics-based sizing rules (NEC 690, UL 1741): MPPT voltage windows, cold Voc safety margins, and closed-loop CAN/RS485 handshake.