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Compare

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

Market context

Global benchmark

Performance & Value

PowerQ EQ40007.16–25.04 kWh

FoxESS | US1H-3.8-EQL2; EQ4000-AL2 to EQ4000-AL7

LFPAll-in-oneSingle-phase

66/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-09-01

LFP12yr+ Warranty
Full scorecard
Performance & Value

Smile G3 S5 / BAT-10.1P9.6–57.6 kWh

AlphaESS | SMILE-G3-S5 with one SMILE-G3-BAT-10.1P; 9.6 kWh usable reference, 1-6 modules

LFPAll-in-oneSingle-phase

67/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-09-20

LFPVPP-Ready
Full scorecard
Side by side

Score profile

MeasurePowerQ EQ4000Smile G3 S5 / BAT-10.1P
Capacity & Usability84 / 10082 / 100
Power & Efficiency80 / 10062 / 100
Longevity (verified)60 / 10065 / 100
Safety & Chemistry80 / 10075 / 100
Guarantee & Backbone50 / 10062 / 100
Energy Ecosystem43 / 10058 / 100

Capacity & Usability

PowerQ EQ4000
84 / 100
Smile G3 S5 / BAT-10.1P
82 / 100

Power & Efficiency

PowerQ EQ4000
80 / 100
Smile G3 S5 / BAT-10.1P
62 / 100

Longevity (verified)

PowerQ EQ4000
60 / 100
Smile G3 S5 / BAT-10.1P
65 / 100

Safety & Chemistry

PowerQ EQ4000
80 / 100
Smile G3 S5 / BAT-10.1P
75 / 100

Guarantee & Backbone

PowerQ EQ4000
50 / 100
Smile G3 S5 / BAT-10.1P
62 / 100

Energy Ecosystem

PowerQ EQ4000
43 / 100
Smile G3 S5 / BAT-10.1P
58 / 100
Side by side

Key specifications

MeasurePowerQ EQ4000Smile G3 S5 / BAT-10.1P
ArchitectureAll-in-one energy systemAll-in-one energy system
Published usable capacity range7.16–25.04 kWh9.6–57.6 kWh
Scored benchmark7.16 kWh9.6 kWh
ChemistryLFPLFP
Power3.8 kW5 kW
Round-trip95 %Not recorded
Cycle lifeNot recordedNot recorded

Architecture

PowerQ EQ4000
All-in-one energy system
Smile G3 S5 / BAT-10.1P
All-in-one energy system

Published usable capacity range

PowerQ EQ4000
7.16–25.04 kWh
Smile G3 S5 / BAT-10.1P
9.6–57.6 kWh

Scored benchmark

PowerQ EQ4000
7.16 kWh
Smile G3 S5 / BAT-10.1P
9.6 kWh

Chemistry

PowerQ EQ4000
LFP
Smile G3 S5 / BAT-10.1P
LFP

Power

PowerQ EQ4000
3.8 kW
Smile G3 S5 / BAT-10.1P
5 kW

Round-trip

PowerQ EQ4000
95 %
Smile G3 S5 / BAT-10.1P
Not recorded

Cycle life

PowerQ EQ4000
Not recorded
Smile G3 S5 / BAT-10.1P
Not recorded
Decision snapshot

Where the comparison separates

OverallSmile G3 S5 / BAT-10.1P leads the global score by 1 point.
Strongest dimensionsPowerQ EQ4000: Capacity & Usability · Smile G3 S5 / BAT-10.1P: Capacity & Usability
Largest differencePowerQ EQ4000 has the largest pillar edge in Power & Efficiency (18 points).
Evidence coveragePowerQ EQ4000: strong evidence coverage (100%) · Smile G3 S5 / BAT-10.1P: 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 Performance & Value class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.