Tesla
Powerwall 3
13.5kWh battery with integrated inverter and very high round-trip efficiency.
From £8,500 installed
9.1
ExcellentHow it scores
Usable Capacity(25%)
9.5/10
Round-Trip Efficiency(25%)
9.5/10
Inverter Compatibility(20%)
9.0/10
Warranty & Cycle Life(20%)
9.0/10
Value for Money(10%)
7.0/10
Scores based on published manufacturer specifications and weighted criteria — not lab testing. Methodology.
Specifications
- Weight kg
- 130
- Usable kWh
- 13.5
- Dimensions mm
- 1098x609x193
- Warranty years
- 10
- Ac or dc coupled
- DC
- Inverter built in
- Yes
- Round trip eff %
- 97.5
- Cycle count warranty
- —
- Depth of discharge %
- 100