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Compare like with like. Aligned scores, specifications and local evidence within one scoring class or tier.

Market context

Global benchmark

Value & Volume

SUN-5K-SG03LP1-AU5 kW

Deye | SUN-5K-SG03LP1-AU

Single-phaseHybridEssential-load backup2 MPPTs

67/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-06

Full scorecard
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

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-30

Full scorecard
Side by side

Score 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.

MeasureSUN-5K-SG03LP1-AUH3-Pro
Efficiency59 / 100 (better value on this row)56 / 100
Design & Flexibility61 / 10094 / 100
Thermal & Physical Resilience76 / 10076 / 100
Features & Integration78 / 10084 / 100
Safety & Compliance74 / 10078 / 100
Guarantee & Backbone74 / 10073 / 100
Energy Ecosystem40 / 10059 / 100

Efficiency

SUN-5K-SG03LP1-AU
59 / 100 (better value on this row)
H3-Pro
56 / 100

Design & Flexibility

SUN-5K-SG03LP1-AU
61 / 100
H3-Pro
94 / 100

Thermal & Physical Resilience

SUN-5K-SG03LP1-AU
76 / 100
H3-Pro
76 / 100

Features & Integration

SUN-5K-SG03LP1-AU
78 / 100
H3-Pro
84 / 100

Safety & Compliance

SUN-5K-SG03LP1-AU
74 / 100
H3-Pro
78 / 100

Guarantee & Backbone

SUN-5K-SG03LP1-AU
74 / 100
H3-Pro
73 / 100

Energy Ecosystem

SUN-5K-SG03LP1-AU
40 / 100
H3-Pro
59 / 100
Side by side

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.

MeasureSUN-5K-SG03LP1-AUH3-Pro
ArchitectureHybrid inverterHybrid inverter
Published rated AC power range5 kW6–15 kW
Power5.0 kW15.0 kW
TypeHybridHybrid
Peak eff97.6 %98.1 % (better value on this row)
MPPTs23 (better value on this row)
Scored benchmarkNot stated15 kW

Architecture

SUN-5K-SG03LP1-AU
Hybrid inverter
H3-Pro
Hybrid inverter

Published rated AC power range

SUN-5K-SG03LP1-AU
5 kW
H3-Pro
6–15 kW

Power

SUN-5K-SG03LP1-AU
5.0 kW
H3-Pro
15.0 kW

Type

SUN-5K-SG03LP1-AU
Hybrid
H3-Pro
Hybrid

Peak eff

SUN-5K-SG03LP1-AU
97.6 %
H3-Pro
98.1 % (better value on this row)

MPPTs

SUN-5K-SG03LP1-AU
2
H3-Pro
3 (better value on this row)

Scored benchmark

SUN-5K-SG03LP1-AU
Not stated
H3-Pro
15 kW
Decision snapshot

Where the comparison separates

OverallH3-Pro leads the global score by 7 points.
Strongest dimensionsSUN-5K-SG03LP1-AU: Features & Integration · H3-Pro: Design & Flexibility
Largest differenceH3-Pro has the largest pillar edge in Design & Flexibility (33 points).
Evidence coverageSUN-5K-SG03LP1-AU: strong evidence coverage (100%) · H3-Pro: 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.