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

Market context

Global benchmark

Product AComparable product

Performance & Value

Battery-Box Premium LVL 15.415.36 kWh

BYD | Battery-Box Premium LVL15.4 (2021); exact Australian low-voltage battery

LFPDC-coupled

61/ 100

Good

Strong evidence coverage · 100%

Evidence checked 2026-08-27

LFP100% UsableHigh Power 10kW+

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 2026-08-01

LFPVPP-Ready

Full scorecard

Side by side

Score profile

Measure	Battery-Box Premium LVL 15.4	Smile G3 S5 / BAT-10.1P
Capacity & Usability	88 / 100	82 / 100
Power & Efficiency	88 / 100	62 / 100
Longevity (verified)	56 / 100	65 / 100
Safety & Chemistry	60 / 100	75 / 100
Guarantee & Backbone	43 / 100	62 / 100
Energy Ecosystem	40 / 100	58 / 100

Capacity & Usability

Battery-Box Premium LVL 15.4: 88 / 100
Smile G3 S5 / BAT-10.1P: 82 / 100

Power & Efficiency

Battery-Box Premium LVL 15.4: 88 / 100
Smile G3 S5 / BAT-10.1P: 62 / 100

Longevity (verified)

Battery-Box Premium LVL 15.4: 56 / 100
Smile G3 S5 / BAT-10.1P: 65 / 100

Safety & Chemistry

Battery-Box Premium LVL 15.4: 60 / 100
Smile G3 S5 / BAT-10.1P: 75 / 100

Guarantee & Backbone

Battery-Box Premium LVL 15.4: 43 / 100
Smile G3 S5 / BAT-10.1P: 62 / 100

Energy Ecosystem

Battery-Box Premium LVL 15.4: 40 / 100
Smile G3 S5 / BAT-10.1P: 58 / 100

Side by side

Key specifications

Show differences only (2 of 7 rows match)

Measure	Battery-Box Premium LVL 15.4	Smile G3 S5 / BAT-10.1P
Architecture	DC-coupled battery	All-in-one energy system
Published usable capacity range	15.36 kWh	9.6–57.6 kWh
Chemistry	LFP	LFP
Power	12.8 kW	5 kW
Round-trip	95 %	Not recorded
Cycle life	Not recorded	Not recorded
Scored benchmark	Not stated	9.6 kWh

Architecture

Battery-Box Premium LVL 15.4: DC-coupled battery
Smile G3 S5 / BAT-10.1P: All-in-one energy system

Published usable capacity range

Battery-Box Premium LVL 15.4: 15.36 kWh
Smile G3 S5 / BAT-10.1P: 9.6–57.6 kWh

Chemistry

Battery-Box Premium LVL 15.4: LFP
Smile G3 S5 / BAT-10.1P: LFP

Power

Battery-Box Premium LVL 15.4: 12.8 kW
Smile G3 S5 / BAT-10.1P: 5 kW

Round-trip

Battery-Box Premium LVL 15.4: 95 %
Smile G3 S5 / BAT-10.1P: Not recorded

Cycle life

Battery-Box Premium LVL 15.4: Not recorded
Smile G3 S5 / BAT-10.1P: Not recorded

Scored benchmark

Battery-Box Premium LVL 15.4: Not stated
Smile G3 S5 / BAT-10.1P: 9.6 kWh

Decision snapshot

Where the comparison separates

OverallSmile G3 S5 / BAT-10.1P leads the global score by 6 points.

Strongest dimensionsBattery-Box Premium LVL 15.4: Capacity & Usability · Smile G3 S5 / BAT-10.1P: Capacity & Usability

Largest differenceBattery-Box Premium LVL 15.4 has the largest pillar edge in Power & Efficiency (26 points).

Evidence coverageBattery-Box Premium LVL 15.4: 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.