Tesla Powerwall 2 vs Powerwall 3 Comparison

Tesla-Powerwall-2-3

Powerwall 2 vs Powerwall 3 Comparison Table

For more details on Powerwall 2, check out this page

For more details on Powerwall 3, check out this page

Feature Powerwall 2 Powerwall 3
Output Power 5kW cont. (7kW surge) 11.04kW
Phases 1 or split phase 1 or split phase
Charging 5kW cont. (5kW peak) 5kW cont. (5kW peak)
Battery Chemistry NMC LFP
Battery Capacity 13.5kWh usable 13.5kWh usable
Battery Expandability Up to 10 Units Up to 4 Units
Round Trip Efficiency 90% 89%
Installation Location Indoor / Outdoor Indoor / Outdoor
Dimensions (L/W/D) 1150 x 755 x 155mm 1105 x 609 x 193 mm
Weight 125kg 130kg
Operating Temperature -20° to 50° -20° to 50°
Warranty 10 years conditional 10 years conditional
Built-in Battery Inverter Yes Yes
Built-in Solar Inverter No Yes
Expandability Yes, with Powerwall 2 Yes, with Power 3 Expansions*
Retrofittable to Existing Solar Yes Yes, however existing solar inverter becomes redundant
Phases backed up in blackout Single phase only Single phase only
Monitoring Tesla App Tesla App
Backup Gateway required Yes Yes
Solar connection AC Coupled Only 20kW DC + AC Coupled

 

*unavailable until sometime in 2025

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