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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 HVS5.12–12.8 kWh

BYD | Battery-Box Premium HVS 10.2

LFPDC-coupled

76/ 100

Superior

Strong evidence coverage · 100%

Evidence checked 2026-08-07

LFP100% UsableHigh Power 10kW+VPP-Ready
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

MeasureBattery-Box Premium HVSSmile G3 S5 / BAT-10.1P
Capacity & Usability90 / 10082 / 100
Power & Efficiency94 / 10062 / 100
Longevity (verified)60 / 10065 / 100
Safety & Chemistry73 / 10075 / 100
Guarantee & Backbone77 / 10062 / 100
Energy Ecosystem74 / 10058 / 100

Capacity & Usability

Battery-Box Premium HVS
90 / 100
Smile G3 S5 / BAT-10.1P
82 / 100

Power & Efficiency

Battery-Box Premium HVS
94 / 100
Smile G3 S5 / BAT-10.1P
62 / 100

Longevity (verified)

Battery-Box Premium HVS
60 / 100
Smile G3 S5 / BAT-10.1P
65 / 100

Safety & Chemistry

Battery-Box Premium HVS
73 / 100
Smile G3 S5 / BAT-10.1P
75 / 100

Guarantee & Backbone

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

Energy Ecosystem

Battery-Box Premium HVS
74 / 100
Smile G3 S5 / BAT-10.1P
58 / 100
Side by side

Key specifications

MeasureBattery-Box Premium HVSSmile G3 S5 / BAT-10.1P
ArchitectureDC-coupled batteryAll-in-one energy system
Published usable capacity range5.12–12.8 kWh9.6–57.6 kWh
Scored benchmark10.24 kWh9.6 kWh
ChemistryLFPLFP
Power10.2 kW5 kW
Round-trip96.9 %Not recorded
Cycle lifeNot recordedNot recorded

Architecture

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

Published usable capacity range

Battery-Box Premium HVS
5.12–12.8 kWh
Smile G3 S5 / BAT-10.1P
9.6–57.6 kWh

Scored benchmark

Battery-Box Premium HVS
10.24 kWh
Smile G3 S5 / BAT-10.1P
9.6 kWh

Chemistry

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

Power

Battery-Box Premium HVS
10.2 kW
Smile G3 S5 / BAT-10.1P
5 kW

Round-trip

Battery-Box Premium HVS
96.9 %
Smile G3 S5 / BAT-10.1P
Not recorded

Cycle life

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

Where the comparison separates

OverallBattery-Box Premium HVS leads the global score by 9 points.
Strongest dimensionsBattery-Box Premium HVS: Power & Efficiency · Smile G3 S5 / BAT-10.1P: Capacity & Usability
Largest differenceBattery-Box Premium HVS has the largest pillar edge in Power & Efficiency (32 points).
Evidence coverageBattery-Box Premium HVS: 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.