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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

SimpliPHI 6.619.95 kWh

Briggs & Stratton | SPHI-19.8-L0 three-module stack; the warranty and manual write it SPHI-B-19.8-L0; module SPHI-B-6.6

LFPDC-coupled

73/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-05

LFPUL9540A100% 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

MeasureSimpliPHI 6.6Smile G3 S5 / BAT-10.1P
Capacity & Usability90 / 10082 / 100
Power & Efficiency82 / 10062 / 100
Longevity (verified)69 / 10065 / 100
Safety & Chemistry81 / 10075 / 100
Guarantee & Backbone69 / 10062 / 100
Energy Ecosystem49 / 10058 / 100

Capacity & Usability

SimpliPHI 6.6
90 / 100
Smile G3 S5 / BAT-10.1P
82 / 100

Power & Efficiency

SimpliPHI 6.6
82 / 100
Smile G3 S5 / BAT-10.1P
62 / 100

Longevity (verified)

SimpliPHI 6.6
69 / 100
Smile G3 S5 / BAT-10.1P
65 / 100

Safety & Chemistry

SimpliPHI 6.6
81 / 100
Smile G3 S5 / BAT-10.1P
75 / 100

Guarantee & Backbone

SimpliPHI 6.6
69 / 100
Smile G3 S5 / BAT-10.1P
62 / 100

Energy Ecosystem

SimpliPHI 6.6
49 / 100
Smile G3 S5 / BAT-10.1P
58 / 100
Side by side

Key specifications

MeasureSimpliPHI 6.6Smile G3 S5 / BAT-10.1P
Published usable capacity range19.95 kWh9.6–57.6 kWh
ChemistryLFPLFP
Power13.98 kW5 kW
Round-trip96 %Not recorded
Cycle life4,500 cyclesNot recorded
Scored benchmarkNot stated9.6 kWh

Published usable capacity range

SimpliPHI 6.6
19.95 kWh
Smile G3 S5 / BAT-10.1P
9.6–57.6 kWh

Chemistry

SimpliPHI 6.6
LFP
Smile G3 S5 / BAT-10.1P
LFP

Power

SimpliPHI 6.6
13.98 kW
Smile G3 S5 / BAT-10.1P
5 kW

Round-trip

SimpliPHI 6.6
96 %
Smile G3 S5 / BAT-10.1P
Not recorded

Cycle life

SimpliPHI 6.6
4,500 cycles
Smile G3 S5 / BAT-10.1P
Not recorded

Scored benchmark

SimpliPHI 6.6
Not stated
Smile G3 S5 / BAT-10.1P
9.6 kWh
Decision snapshot

Where the comparison separates

OverallSimpliPHI 6.6 leads the global score by 6 points.
Strongest dimensionsSimpliPHI 6.6: Capacity & Usability · Smile G3 S5 / BAT-10.1P: Capacity & Usability
Largest differenceSimpliPHI 6.6 has the largest pillar edge in Power & Efficiency (20 points).
Evidence coverageSimpliPHI 6.6: 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.