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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

Battery-Box Premium HVM8.28–22.08 kWh

BYD | HVM 8.3, 11.0, 13.8, 16.6, 19.3 and 22.1

LFPDC-coupled

72/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-31

LFP100% Usable15+ Yrs Field-Proven5 kWh Modular
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 2026-09-01

LFPVPP-Ready
Full scorecard
Side by side

Score profile

MeasureBattery-Box Premium HVMSmile G3 S5 / BAT-10.1P
Capacity & Usability94 / 10082 / 100
Power & Efficiency88 / 10062 / 100
Longevity (verified)56 / 10065 / 100
Safety & Chemistry78 / 10075 / 100
Guarantee & Backbone77 / 10062 / 100
Energy Ecosystem51 / 10058 / 100

Capacity & Usability

Battery-Box Premium HVM
94 / 100
Smile G3 S5 / BAT-10.1P
82 / 100

Power & Efficiency

Battery-Box Premium HVM
88 / 100
Smile G3 S5 / BAT-10.1P
62 / 100

Longevity (verified)

Battery-Box Premium HVM
56 / 100
Smile G3 S5 / BAT-10.1P
65 / 100

Safety & Chemistry

Battery-Box Premium HVM
78 / 100
Smile G3 S5 / BAT-10.1P
75 / 100

Guarantee & Backbone

Battery-Box Premium HVM
77 / 100
Smile G3 S5 / BAT-10.1P
62 / 100

Energy Ecosystem

Battery-Box Premium HVM
51 / 100
Smile G3 S5 / BAT-10.1P
58 / 100
Side by side

Key specifications

MeasureBattery-Box Premium HVMSmile G3 S5 / BAT-10.1P
ArchitectureDC-coupled batteryAll-in-one energy system
Published usable capacity range8.28–22.08 kWh9.6–57.6 kWh
Scored benchmark8.28 kWh9.6 kWh
ChemistryLFPLFP
Power7.65 kW5 kW
Round-trip96 %Not recorded
Cycle lifeNot recordedNot recorded

Architecture

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

Published usable capacity range

Battery-Box Premium HVM
8.28–22.08 kWh
Smile G3 S5 / BAT-10.1P
9.6–57.6 kWh

Scored benchmark

Battery-Box Premium HVM
8.28 kWh
Smile G3 S5 / BAT-10.1P
9.6 kWh

Chemistry

Battery-Box Premium HVM
LFP
Smile G3 S5 / BAT-10.1P
LFP

Power

Battery-Box Premium HVM
7.65 kW
Smile G3 S5 / BAT-10.1P
5 kW

Round-trip

Battery-Box Premium HVM
96 %
Smile G3 S5 / BAT-10.1P
Not recorded

Cycle life

Battery-Box Premium HVM
Not recorded
Smile G3 S5 / BAT-10.1P
Not recorded
Decision snapshot

Where the comparison separates

OverallBattery-Box Premium HVM leads the global score by 5 points.
Strongest dimensionsBattery-Box Premium HVM: Capacity & Usability · Smile G3 S5 / BAT-10.1P: Capacity & Usability
Largest differenceBattery-Box Premium HVM has the largest pillar edge in Power & Efficiency (26 points).
Evidence coverageBattery-Box Premium HVM: 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.