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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

VARTA.hybrid6–10 kW

VARTA | VARTA.hybrid 6-3-2 / 10-3-2 / 10-3-4; scored model VARTA.hybrid 10-3-4

Three-phaseHybrid4 MPPTs

64/ 100

Good

Strong evidence coverage · 100%

Evidence checked 2026-08-16

Financial note
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

AFCI Integrated
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.

MeasureVARTA.hybridSUN SG05 AU-AM2-P
Efficiency65 / 100 (better value on this row)60 / 100
Design & Flexibility83 / 10083 / 100
Thermal & Physical Resilience64 / 10076 / 100
Features & Integration68 / 10084 / 100
Safety & Compliance80 / 10078 / 100
Guarantee & Backbone46 / 10072 / 100
Energy Ecosystem40 / 10036 / 100

Efficiency

VARTA.hybrid
65 / 100 (better value on this row)
SUN SG05 AU-AM2-P
60 / 100

Design & Flexibility

VARTA.hybrid
83 / 100
SUN SG05 AU-AM2-P
83 / 100

Thermal & Physical Resilience

VARTA.hybrid
64 / 100
SUN SG05 AU-AM2-P
76 / 100

Features & Integration

VARTA.hybrid
68 / 100
SUN SG05 AU-AM2-P
84 / 100

Safety & Compliance

VARTA.hybrid
80 / 100
SUN SG05 AU-AM2-P
78 / 100

Guarantee & Backbone

VARTA.hybrid
46 / 100
SUN SG05 AU-AM2-P
72 / 100

Energy Ecosystem

VARTA.hybrid
40 / 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.

MeasureVARTA.hybridSUN SG05 AU-AM2-P
ArchitectureHybrid inverterHybrid inverter
Published rated AC power range6–10 kW7–9.999 kW
Scored benchmark10 kW9.999 kW
Power10 kW9.999 kW
TypeHybridHybrid
Peak eff97.5 %97.6 % (better value on this row)
MPPTs4 (better value on this row)2

Architecture

VARTA.hybrid
Hybrid inverter
SUN SG05 AU-AM2-P
Hybrid inverter

Published rated AC power range

VARTA.hybrid
6–10 kW
SUN SG05 AU-AM2-P
7–9.999 kW

Scored benchmark

VARTA.hybrid
10 kW
SUN SG05 AU-AM2-P
9.999 kW

Power

VARTA.hybrid
10 kW
SUN SG05 AU-AM2-P
9.999 kW

Type

VARTA.hybrid
Hybrid
SUN SG05 AU-AM2-P
Hybrid

Peak eff

VARTA.hybrid
97.5 %
SUN SG05 AU-AM2-P
97.6 % (better value on this row)

MPPTs

VARTA.hybrid
4 (better value on this row)
SUN SG05 AU-AM2-P
2
Decision snapshot

Where the comparison separates

OverallSUN SG05 AU-AM2-P leads the global score by 6 points.
Strongest dimensionsVARTA.hybrid: Design & Flexibility · SUN SG05 AU-AM2-P: Features & Integration
Largest differenceSUN SG05 AU-AM2-P has the largest pillar edge in Guarantee & Backbone (26 points).
Evidence coverageVARTA.hybrid: 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.