Gridly
Sigenergy EV Charger vs Fronius Wattpilot Home 22J
Side-by-side comparison of the Sigenergy AC EV Charger 22kW and Fronius Wattpilot Home 22J for Australian homes.
Sigenergy
AC EV Charger 22kW
$1,700
22 kW · 3-phase
Fronius
Wattpilot Home 22J
$1,800
22 kW · 3-phase
Quick verdict
The Sigenergy EV Charger is $100 cheaper at $1,700 vs $1,800. The Sigenergy EV Charger adds OCPP. Sigenergy EV Charger has a longer warranty (3 vs 2 years).
| Feature | Sigenergy EV Charger | Fronius Wattpilot Home 22J |
|---|---|---|
| Price (supply) | $1,700 | $1,800 |
| Output | 22 kW | 22 kW |
| Phases | 3-phase | 3-phase |
| Cable | Socket-only | Socket-only |
| Smart app | Yes | Yes |
| Scheduling | Yes | Yes |
| Solar integration | Yes | Yes |
| OCPP | Yes | No |
| Load management | Yes | Yes |
| Warranty | 3 years | 2 years |
| IP rating | IP65 | IP65 |
Which should you choose?
Both have solar integration
Both the Sigenergy EV Charger and Fronius Wattpilot Home 22J include solar surplus charging via CT clamp monitoring. The implementation differs between brands, but both will divert excess solar generation to your car. Choose based on other differentiators like price, warranty, and smart features.
If you want OCPP
The Sigenergy EV Charger supports OCPP 1.6, an open standard for charger communication. This enables integration with Home Assistant, third-party energy management platforms, and future demand-response programs. The Fronius Wattpilot Home 22J uses a proprietary protocol.
On price
The Sigenergy EV Charger is $100 less than the Fronius Wattpilot Home 22J. The price difference is small enough that features and warranty should drive the decision rather than cost alone.
Related guides
- Compare all EV chargers ā full product grid with filters and side-by-side comparison
- Side-by-side comparison tool ā compare any two chargers interactively
- Best EV chargers in Australia 2026 ā our ranked recommendations