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

Market context

Global benchmark

Performance & Value

Smile G3 S5

AlphaESS

78/ 100

Superior

Moderate evidence coverage · 58%

Evidence checked 2026-07-16

LFPUL9540AVPP-Ready
Full scorecard
Performance & Value

Smile G3 S5 BAT-9.3S

AlphaESS

62/ 100

Good

Strong evidence coverage · 100%

Evidence checked 2026-07-16

LFP100% Usable
Full scorecard
Side by side

Score profile

MeasureSmile G3 S5Smile G3 S5 BAT-9.3S
Capacity & Usability86 / 10088 / 100
Power & Efficiency80 / 10069 / 100
Longevity (verified)70 / 10060 / 100
Safety & Chemistry87 / 10069 / 100
Guarantee & Backbone78 / 10043 / 100
Energy Ecosystem67 / 10045 / 100

Capacity & Usability

Smile G3 S5
86 / 100
Smile G3 S5 BAT-9.3S
88 / 100

Power & Efficiency

Smile G3 S5
80 / 100
Smile G3 S5 BAT-9.3S
69 / 100

Longevity (verified)

Smile G3 S5
70 / 100
Smile G3 S5 BAT-9.3S
60 / 100

Safety & Chemistry

Smile G3 S5
87 / 100
Smile G3 S5 BAT-9.3S
69 / 100

Guarantee & Backbone

Smile G3 S5
78 / 100
Smile G3 S5 BAT-9.3S
43 / 100

Energy Ecosystem

Smile G3 S5
67 / 100
Smile G3 S5 BAT-9.3S
45 / 100
Side by side

Key specifications

MeasureSmile G3 S5Smile G3 S5 BAT-9.3S
Published usable capacity range8.2–60.5 kWh9.3–37.2 kWh
Scored benchmark9.6 kWh9.3 kWh
ChemistryLFPLFP
Power5 kW5 kW
Round-trip95 %Not recorded
Cycle life10,000 cyclesNot recorded

Published usable capacity range

Smile G3 S5
8.2–60.5 kWh
Smile G3 S5 BAT-9.3S
9.3–37.2 kWh

Scored benchmark

Smile G3 S5
9.6 kWh
Smile G3 S5 BAT-9.3S
9.3 kWh

Chemistry

Smile G3 S5
LFP
Smile G3 S5 BAT-9.3S
LFP

Power

Smile G3 S5
5 kW
Smile G3 S5 BAT-9.3S
5 kW

Round-trip

Smile G3 S5
95 %
Smile G3 S5 BAT-9.3S
Not recorded

Cycle life

Smile G3 S5
10,000 cycles
Smile G3 S5 BAT-9.3S
Not recorded
Decision snapshot

Where the comparison separates

OverallSmile G3 S5 leads the global score by 16 points.
Strongest dimensionsSmile G3 S5: Safety & Chemistry · Smile G3 S5 BAT-9.3S: Capacity & Usability
Largest differenceSmile G3 S5 has the largest pillar edge in Guarantee & Backbone (35 points).
Evidence coverageSmile G3 S5: moderate evidence coverage (58%) · Smile G3 S5 BAT-9.3S: 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.