Sessy 2.0 10 kWh vs VARTA element backup 12
Usable capacity: Sessy 2.0 10 kWh 10.4 kWh, VARTA element backup 12 11.7 kWh. The VARTA element backup 12 is better on 4 of 8 comparable points.
Who wins where
- Sessy 2.0 10 kWh
- VARTA element backup 12
Biggest differences
| Fact | 2.0 10 kWh | element backup 12 |
|---|---|---|
| Min. operating temperature | 0 °C | 5 °C |
| Discharge power (continuous) | 1.7 kW | 3.7 kW |
| Charge power (continuous) | 2.2 kW | 4 kW |
| Weight | 96 kg | 165 kg |
| Warranted cycles | 6,000 | 4,000 |
| Nominal capacity | 11 kWh | 13 kWh |
Score per area = position (0–100) relative to all 130 models in this category; higher is better.
| Technical specifications | Sessy2.0 10 kWh | VARTAelement backup 12 |
|---|---|---|
| General | ||
| Cell chemistry | LFP 1 | – |
| Smart charging on dynamic prices | Yes 1 | – |
| Wi-Fi / app | Yes 1 | – |
| Performance | ||
| Usable capacity | 10.4 kWh 1 | 11.7 kWh ✓ 2 |
| Nominal capacity | 11 kWh 1 | 13 kWh ✓ 2 |
| Expandable up to | 31.2 kWh 1 | – |
| Charge power (continuous) | 2.2 kW 1 | 4 kW ✓ 2 |
| Discharge power (continuous) | 1.7 kW 1 | 3.7 kW ✓ 2 |
| Electrical | ||
| Phases | 1 1 | 3 2 |
| Dimensions & weight | ||
| IP rating | IP20 1 | – |
| Min. operating temperature | 0 °C ✓ 1 | 5 °C 2 |
| Width | 410 mm 1 | 600 mm 2 |
| Height | 780 mm 1 | 1,176 mm 2 |
| Depth | 270 mm 1 | 500 mm 2 |
| Weight | 96 kg ✓ 1 | 165 kg 2 |
| Warranty & lifespan | ||
| Warranted cycles | 6,000 ✓ 1 | 4,000 2 |
| Warranty | 10 years 1 | 10 years 2 |
Sources
- Sessy 2.0 10 kWh – specificaties, 09/2025 (tekst herkend met OCR) — Sessy B.V. · accessed 27 Sept 2026
- VARTA element backup, DB178038DACHDE005 — VARTA Storage GmbH · accessed 29 Sept 2026