EcoFlow PowerOcean 15.3 (15.3 kWh) vs Tesla Powerwall 3 Expansion (13.5 kWh)
Both are batteries. Every figure below is a stored value from our catalogue — where a product does not publish one, the cell says so rather than guessing.
Specifications side by side
| Specification | EcoFlow PowerOcean 15.3 (15.3 kWh) | Tesla Powerwall 3 Expansion (13.5 kWh) |
|---|---|---|
| Usable capacity | 15.3 kWh | 13.5 kWh |
Specification provenance: Unverified imported catalogue data on both sides — per-field datasheet citations are being added as documents are processed.
Physical & sourcing
| Width × Height × Depth | 700 × 1100 × 240 mm | 700 × 1100 × 240 mm |
|---|---|---|
| Weight | 150 kg | 150 kg |
| Country of origin | CN | US |
Dimensions: EcoFlow PowerOcean 15.3 (15.3 kWh) — estimated from comparable equipment — not a measurement; Tesla Powerwall 3 Expansion (13.5 kWh) — estimated from comparable equipment — not a measurement.
Which should you choose?
We deliberately do not pick a winner: the right choice depends on your roof, your existing equipment and your tariff, and we hold no evidence that would justify a general ranking. Put both through a full compatibility-checked design instead.
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