Overview
The Expansion Harness comes in .5M (20 in), 2M (6.5 ft) and 5M (13 ft) lengths. Choose which one is best for your application. The harness is used to connect a Powerwall 3 Expansion Unit to a Leader Powerwall 3 or to connect a Powerwall 3 Expansion Unit to another Powerwall 3 Expansion Unit.
Installation Guidelines
You can install a maximum of three (3) Powerwall 3 Expansion Units to a Leader Powerwall 3.
View these instructions to learn how to install one or more expansion units using the Expansion Harness: Installation Manual.
Charging Reference Table
| EV Charger Amps | EV Charger Output | Minimum Breaker | Full Charge | Driving Range Added Per Hour |
|---|---|---|---|---|
| 16 Amps | 3.8 kW | 20 Amps | 16 to 23 hours | 11 to 13 miles |
| 24 Amps | 5.8 kW | 30 Amps | 10 to 16 hours | 17 to 19 miles |
| 32 Amps | 7.7 kW | 40 Amps | 8 to 12 hours | 22 to 25 miles |
| 40 Amps | 9.6 kW | 50 Amps | 6 to 9 hours | 26 to 28 miles |
| 48 Amps | 11.5 kW | 60 Amps | 5 to 8 hours | 28 to 30 miles |
| 50 Amps | 12.0 kW | 80 Amps | 5 to 8 hours | 28 to 31 miles |
