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

Market context

Global benchmark

Inverter

EK90 HS5 T39.999–20 kW

SAJ | EK90 HS5-10K-T3, EK90 HS5-15K-T3 and EK90 HS5-20K-T3, each with 14-54 kWh suffixes; scored model EK90 HS5-20K-T3-X

Three-phaseHybridWhole-home backup3 MPPTs

74/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-26

AFCI IntegratedIP66 RatedWhole-Home Backup
Full scorecard
Inverter

SUN SG05 AU-AM2-P7–9.999 kW

Deye | SUN-7K-SG05LP1-AU-AM2-P / SUN-7.6K-SG05LP1-AU-AM2-P / SUN-8K-SG05LP1-AU-AM2-P / SUN-10K-SG05LP1-AU-AM2-P; scored model SUN-10K-SG05LP1-AU-AM2-P

Single-phaseHybridEssential-load backup2 MPPTs

70/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-10

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.

MeasureEK90 HS5 T3SUN SG05 AU-AM2-P
Efficiency71 / 100 (better value on this row)60 / 100
Design & Flexibility90 / 10083 / 100
Thermal & Physical Resilience76 / 10076 / 100
Features & Integration86 / 10084 / 100
Safety & Compliance78 / 10078 / 100
Guarantee & Backbone72 / 10072 / 100
Energy Ecosystem45 / 10036 / 100

Efficiency

EK90 HS5 T3
71 / 100 (better value on this row)
SUN SG05 AU-AM2-P
60 / 100

Design & Flexibility

EK90 HS5 T3
90 / 100
SUN SG05 AU-AM2-P
83 / 100

Thermal & Physical Resilience

EK90 HS5 T3
76 / 100
SUN SG05 AU-AM2-P
76 / 100

Features & Integration

EK90 HS5 T3
86 / 100
SUN SG05 AU-AM2-P
84 / 100

Safety & Compliance

EK90 HS5 T3
78 / 100
SUN SG05 AU-AM2-P
78 / 100

Guarantee & Backbone

EK90 HS5 T3
72 / 100
SUN SG05 AU-AM2-P
72 / 100

Energy Ecosystem

EK90 HS5 T3
45 / 100
SUN SG05 AU-AM2-P
36 / 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.

MeasureEK90 HS5 T3SUN SG05 AU-AM2-P
ArchitectureHybrid inverterHybrid inverter
Published rated AC power range9.999–20 kW7–9.999 kW
Scored benchmark20 kW9.999 kW
Power20.0 kW9.999 kW
TypeHybridHybrid
Peak eff98.2 % (better value on this row)97.6 %
MPPTs3 (better value on this row)2

Architecture

EK90 HS5 T3
Hybrid inverter
SUN SG05 AU-AM2-P
Hybrid inverter

Published rated AC power range

EK90 HS5 T3
9.999–20 kW
SUN SG05 AU-AM2-P
7–9.999 kW

Scored benchmark

EK90 HS5 T3
20 kW
SUN SG05 AU-AM2-P
9.999 kW

Power

EK90 HS5 T3
20.0 kW
SUN SG05 AU-AM2-P
9.999 kW

Type

EK90 HS5 T3
Hybrid
SUN SG05 AU-AM2-P
Hybrid

Peak eff

EK90 HS5 T3
98.2 % (better value on this row)
SUN SG05 AU-AM2-P
97.6 %

MPPTs

EK90 HS5 T3
3 (better value on this row)
SUN SG05 AU-AM2-P
2
Decision snapshot

Where the comparison separates

OverallEK90 HS5 T3 leads the global score by 4 points.
Strongest dimensionsEK90 HS5 T3: Design & Flexibility · SUN SG05 AU-AM2-P: Features & Integration
Largest differenceEK90 HS5 T3 has the largest pillar edge in Efficiency (11 points).
Evidence coverageEK90 HS5 T3: strong evidence coverage (100%) · SUN SG05 AU-AM2-P: 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 Inverter class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.