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

Market context

Global benchmark

Premium Integrated

Powerwall 3

Tesla

77/ 100

Superior

Strong evidence coverage · 60%

Evidence checked 2026-06-16

LFPUL9540A100% UsableHigh Power 10kW+
Full scorecard
Premium Integrated

Ocean 2

EcoFlow

82/ 100

Superior

Limited evidence coverage · 6%

Evidence checked 2026-06-20

LFP100% UsableHigh Power 10kW+15yr Warranty
Full scorecard
Side by side

Score profile

MeasurePowerwall 3Ocean 2
Capacity & Usability96 / 100100 / 100
Power & Efficiency79 / 10073 / 100
Longevity (verified)72 / 10084 / 100
Safety & Chemistry80 / 10093 / 100
Guarantee & Backbone68 / 10064 / 100
Energy Ecosystem70 / 10076 / 100

Capacity & Usability

Powerwall 3
96 / 100
Ocean 2
100 / 100

Power & Efficiency

Powerwall 3
79 / 100
Ocean 2
73 / 100

Longevity (verified)

Powerwall 3
72 / 100
Ocean 2
84 / 100

Safety & Chemistry

Powerwall 3
80 / 100
Ocean 2
93 / 100

Guarantee & Backbone

Powerwall 3
68 / 100
Ocean 2
64 / 100

Energy Ecosystem

Powerwall 3
70 / 100
Ocean 2
76 / 100
Side by side

Key specifications

MeasurePowerwall 3Ocean 2
Published usable capacity range13.5 kWh5–60 kWh
ChemistryLFPLFP
Power11.5 kW12 kW
Round-trip89 %90 %
Cycle lifeNot recorded10,000 cycles
Scored benchmarkNot stated5.02 kWh

Published usable capacity range

Powerwall 3
13.5 kWh
Ocean 2
5–60 kWh

Chemistry

Powerwall 3
LFP
Ocean 2
LFP

Power

Powerwall 3
11.5 kW
Ocean 2
12 kW

Round-trip

Powerwall 3
89 %
Ocean 2
90 %

Cycle life

Powerwall 3
Not recorded
Ocean 2
10,000 cycles

Scored benchmark

Powerwall 3
Not stated
Ocean 2
5.02 kWh
Decision snapshot

Where the comparison separates

OverallOcean 2 leads the global score by 5 points.
Strongest dimensionsPowerwall 3: Capacity & Usability · Ocean 2: Capacity & Usability
Largest differenceOcean 2 has the largest pillar edge in Safety & Chemistry (13 points).
Evidence coveragePowerwall 3: strong evidence coverage (60%) · Ocean 2: limited evidence coverage (6%)

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 Premium Integrated class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.