Tesla Powerwall 3 Expansion (13.5 kWh) vs PowerRack HV (20.48 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 | Tesla Powerwall 3 Expansion (13.5 kWh) | PowerRack HV (20.48 kWh) |
|---|---|---|
| Usable capacity | 13.5 kWh | 20.48 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 | 750 × 1500 × 280 mm |
| Weight | 150 kg | 260 kg |
| Country of origin | US | Not recorded |
| Stocked by Minute Solar | Yes | Yes |
Dimensions: Tesla Powerwall 3 Expansion (13.5 kWh) — estimated from comparable equipment — not a measurement; PowerRack HV (20.48 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.
Design a system with either