Gridly
Overview
Tesla’s Wall Connector Gen 3 is Australia’s most popular home EV charger by installation volume - driven partly by Tesla owners buying from the Tesla ecosystem, but more significantly by how compelling the value proposition is for any EV household. At $800 for a 22kW-capable charger with a 7.3m cable and a 4-year warranty, it undercuts European competitors with equivalent output by $500–$1,400.
The absence of OCPP is the meaningful limitation. Tesla has no plans to add it - the Wall Connector is designed for simplicity, not integration. For households that want solar diversion or third-party home automation integration, this isn’t the right tool. For everyone else, it’s hard to beat.
Specs at a glance
| Spec | Detail |
|---|---|
| Max output | 22kW (3-phase) / 7.4kW (single-phase) |
| Cable | 7.3m tethered Type 2 |
| IP rating | IP55 |
| OCPP | No |
| Solar integration | No |
| Load management | No |
| Warranty | 4 years |
| Price | $800 |
The 7.3m cable advantage
The most practically significant spec on this unit is the 7.3m tethered cable. Most competitors offer 5–6m - adequate for garages where the charger mounts close to where the vehicle parks, but limiting for:
- Long garages where the charger mounts at the wall and the car’s charge port is at the far end
- Carports where the charger is on a side wall with variable parking position
- Properties where vehicles park nose-in versus reverse-in depending on the day
The extra 1.3–2.3m of cable that the Tesla Wall Connector provides over competitors is a genuine quality-of-life advantage that gets used daily. It is the reason many installers recommend this charger even for non-Tesla households.
Installed cost
| Cost component | Typical range |
|---|---|
| Wall Connector supply | $800 |
| Professional installation | $400–$700 |
| Total all-in | ~$1,200–$1,500 |
This is the most affordable 22kW-capable installed home charger in Australia. The Wallbox Pulsar Plus 22kW ($1,581 supply) installs at $2,200–$2,500. The Tesla Wall Connector at $1,200–$1,500 installed achieves the same maximum output at roughly half the total cost.
Single-phase vs three-phase: what speed you’ll actually get
Most Australian homes have single-phase power. On single-phase:
- Tesla Model 3/Y: charges at 7.4kW (OBC limits to 7.4kW on single-phase, despite 11kW rating)
- BYD Atto 3, Seal: 7.4kW (these have 7.4kW single-phase OBCs)
- Hyundai IONIQ 5/6: 7.4kW
- MG4: 7.4kW
On three-phase supply with an 11kW OBC vehicle:
- Tesla Model 3/Y: 11kW
- Hyundai IONIQ 5/6: 11kW
- VW ID.4: 11kW
For a household charging a Tesla Model Y overnight: 11kW of charge for 8 hours adds approximately 540km of range from empty. 7.4kW adds approximately 370km. Either is more than sufficient for typical daily driving patterns.
No OCPP: when it matters and when it doesn’t
OCPP (Open Charge Point Protocol) enables integration with:
- Home automation systems (Home Assistant)
- Third-party solar energy management
- Commercial charge point management systems
- Time-of-use tariff optimisation via external platforms
The Tesla Wall Connector doesn’t have it. For Tesla owners, scheduling within the Tesla app (set charge limit, schedule departure time, set charge window) replaces much of what OCPP provides for other brands.
For non-Tesla owners: the lack of OCPP means charging schedules must be set via a basic app (if available) or via the car’s own charging schedule. Most modern EVs allow the vehicle itself to schedule charging start times, which covers off-peak timing without needing charger-level OCPP.
The scenarios where OCPP genuinely matters:
- Households running Home Assistant with energy management automation
- Properties with multiple chargers needing central management
- Solar-aware dynamic charging (the Wall Connector has no CT clamp capability)
For households with solar panels who want to charge from surplus, the Zappi 7kW ($1,350) or Fronius Wattpilot ($1,800) are the alternatives.
Who should buy the Tesla Wall Connector Gen 3
Best for:
- Any household wanting the longest cable and best warranty at the lowest price
- Tesla owners who want tight app integration and guaranteed compatibility
- Non-Tesla owners who don’t need OCPP or solar diversion
- Budget-conscious buyers who want 22kW capability with a 4-year warranty
- Renters or first-time EV owners who want straightforward charger setup
Skip if:
- You have rooftop solar and want to charge from surplus - the Zappi or E2 Plus do this
- You need OCPP for Home Assistant or fleet management
- Load management is required for an older home with limited switchboard capacity