Value & Volume
H3-Pro6–15 kW
FoxESS | H3-Pro-15.0 (15 kW model in the H3-Pro 15-30 kW range)
Three-phaseHybridEssential-load backup3 MPPTs
74/ 100
Strong evidence coverage · 100%
Evidence checked 2026-08-30
Full scorecardScore profile
marks the better value on rows where a higher number is better. Temperature coefficient counts as higher when it is closer to zero. Size measures such as rated power carry no marker, because a larger product is a different choice rather than a better one.
| Measure | H3-Pro | SUN-5K-SG03LP1-AU |
|---|---|---|
| Efficiency | ||
| Design & Flexibility | ||
| Thermal & Physical Resilience | ||
| Features & Integration | ||
| Safety & Compliance | ||
| Guarantee & Backbone | ||
| Energy Ecosystem |
Efficiency
- H3-Pro
56 / 100 - SUN-5K-SG03LP1-AU
59 / 100 (better value on this row)
Design & Flexibility
- H3-Pro
94 / 100 - SUN-5K-SG03LP1-AU
61 / 100
Thermal & Physical Resilience
- H3-Pro
76 / 100 - SUN-5K-SG03LP1-AU
76 / 100
Features & Integration
- H3-Pro
84 / 100 - SUN-5K-SG03LP1-AU
78 / 100
Safety & Compliance
- H3-Pro
78 / 100 - SUN-5K-SG03LP1-AU
74 / 100
Guarantee & Backbone
- H3-Pro
73 / 100 - SUN-5K-SG03LP1-AU
74 / 100
Energy Ecosystem
- H3-Pro
59 / 100 - SUN-5K-SG03LP1-AU
40 / 100
Key specifications
marks the better value on rows where a higher number is better. Temperature coefficient counts as higher when it is closer to zero. Size measures such as rated power carry no marker, because a larger product is a different choice rather than a better one.
| Measure | H3-Pro | SUN-5K-SG03LP1-AU |
|---|---|---|
| Architecture | Hybrid inverter | Hybrid inverter |
| Published rated AC power range | 6–15 kW | 5 kW |
| Scored benchmark | 15 kW | Not stated |
| Power | 15.0 kW | 5.0 kW |
| Type | Hybrid | Hybrid |
| Peak eff | 98.1 % (better value on this row) | 97.6 % |
| MPPTs | 3 (better value on this row) | 2 |
Architecture
- H3-Pro
- Hybrid inverter
- SUN-5K-SG03LP1-AU
- Hybrid inverter
Published rated AC power range
- H3-Pro
- 6–15 kW
- SUN-5K-SG03LP1-AU
- 5 kW
Scored benchmark
- H3-Pro
- 15 kW
- SUN-5K-SG03LP1-AU
- Not stated
Power
- H3-Pro
- 15.0 kW
- SUN-5K-SG03LP1-AU
- 5.0 kW
Type
- H3-Pro
- Hybrid
- SUN-5K-SG03LP1-AU
- Hybrid
Peak eff
- H3-Pro
- 98.1 % (better value on this row)
- SUN-5K-SG03LP1-AU
- 97.6 %
MPPTs
- H3-Pro
- 3 (better value on this row)
- SUN-5K-SG03LP1-AU
- 2
Where the comparison separates
OverallH3-Pro leads the global score by 7 points.
Strongest dimensionsH3-Pro: Design & Flexibility · SUN-5K-SG03LP1-AU: Features & Integration
Largest differenceH3-Pro has the largest pillar edge in Design & Flexibility (33 points).
Evidence coverageH3-Pro: strong evidence coverage (100%) · SUN-5K-SG03LP1-AU: strong evidence coverage (100%)
A score lead is only meaningful inside this shared class or tier. Weigh it against the specification and evidence rows above before deciding.
Both products are scored in the Value & Volume class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.