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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

S6 Hybrid H-US3.8–11.4 kW

Solis | S6-EH1P(3.8-11.4)K-H-US

Single-phaseHybridWhole-home backup4 MPPTs

73/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-09-01

Fanless DesignIP66 RatedWhole-Home Backup
Full scorecard
Inverter

SMILE-M-S Inverter8–9.999 kW

AlphaESS | SMILE-M8-S-INV, SMILE-M9-S-INV and SMILE-M10-S-INV; scored M10 at 9.999 kW local rating

Single-phaseHybridEssential-load backup4 MPPTs

66/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-09-01

Full scorecard
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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.

MeasureS6 Hybrid H-USSMILE-M-S Inverter
Efficiency64 / 100 (better value on this row)52 / 100
Design & Flexibility88 / 10096 / 100
Thermal & Physical Resilience83 / 10070 / 100
Features & Integration90 / 10080 / 100
Safety & Compliance65 / 10070 / 100
Guarantee & Backbone72 / 10054 / 100
Energy Ecosystem42 / 10040 / 100

Efficiency

S6 Hybrid H-US
64 / 100 (better value on this row)
SMILE-M-S Inverter
52 / 100

Design & Flexibility

S6 Hybrid H-US
88 / 100
SMILE-M-S Inverter
96 / 100

Thermal & Physical Resilience

S6 Hybrid H-US
83 / 100
SMILE-M-S Inverter
70 / 100

Features & Integration

S6 Hybrid H-US
90 / 100
SMILE-M-S Inverter
80 / 100

Safety & Compliance

S6 Hybrid H-US
65 / 100
SMILE-M-S Inverter
70 / 100

Guarantee & Backbone

S6 Hybrid H-US
72 / 100
SMILE-M-S Inverter
54 / 100

Energy Ecosystem

S6 Hybrid H-US
42 / 100
SMILE-M-S Inverter
40 / 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.

MeasureS6 Hybrid H-USSMILE-M-S Inverter
ArchitectureHybrid inverterHybrid inverter
Published rated AC power range3.8–11.4 kW8–9.999 kW
Scored benchmark11.4 kW9.999 kW
Power11.4 kW9.999 kW
TypeHybridHybrid
Peak eff97.6 % (better value on this row)97.47 %
MPPTs44

Architecture

S6 Hybrid H-US
Hybrid inverter
SMILE-M-S Inverter
Hybrid inverter

Published rated AC power range

S6 Hybrid H-US
3.8–11.4 kW
SMILE-M-S Inverter
8–9.999 kW

Scored benchmark

S6 Hybrid H-US
11.4 kW
SMILE-M-S Inverter
9.999 kW

Power

S6 Hybrid H-US
11.4 kW
SMILE-M-S Inverter
9.999 kW

Type

S6 Hybrid H-US
Hybrid
SMILE-M-S Inverter
Hybrid

Peak eff

S6 Hybrid H-US
97.6 % (better value on this row)
SMILE-M-S Inverter
97.47 %

MPPTs

S6 Hybrid H-US
4
SMILE-M-S Inverter
4
Decision snapshot

Where the comparison separates

OverallS6 Hybrid H-US leads the global score by 7 points.
Strongest dimensionsS6 Hybrid H-US: Features & Integration · SMILE-M-S Inverter: Design & Flexibility
Largest differenceS6 Hybrid H-US has the largest pillar edge in Guarantee & Backbone (18 points).
Evidence coverageS6 Hybrid H-US: strong evidence coverage (100%) · SMILE-M-S Inverter: 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.