Side-by-side

Compare

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

Market context

Global benchmark

Premium Integrated

sonnenBatterie Evo10 kWh

sonnen | sonnenBatterie Evo; battery benchmark 11 kWh nominal / 10 kWh usable

LFPAll-in-oneSingle-phase

58/ 100

Good

Strong evidence coverage · 100%

Evidence checked 2026-08-08

LFP15+ Yrs Field-Proven
Full scorecard
Premium Integrated

Ocean 25–60 kWh

EcoFlow | EcoFlow OCEAN 2 three-phase with EF BD-5-S2; 5.02 kWh scored reference, expandable in 5.02 kWh modules

LFPAll-in-oneThree-phase

66/ 100

Very good

Strong evidence coverage · 61%

Evidence checked 2026-08-07

LFP15yr WarrantyVPP-ReadyAC Terminal Monitoring
Full scorecard
Side by side

Score profile

MeasuresonnenBatterie EvoOcean 2
Capacity & Usability58 / 10070 / 100
Power & Efficiency40 / 10053 / 100
Longevity (verified)64 / 10067 / 100
Safety & Chemistry65 / 10093 / 100
Guarantee & Backbone77 / 10056 / 100
Energy Ecosystem40 / 10044 / 100

Capacity & Usability

sonnenBatterie Evo
58 / 100
Ocean 2
70 / 100

Power & Efficiency

sonnenBatterie Evo
40 / 100
Ocean 2
53 / 100

Longevity (verified)

sonnenBatterie Evo
64 / 100
Ocean 2
67 / 100

Safety & Chemistry

sonnenBatterie Evo
65 / 100
Ocean 2
93 / 100

Guarantee & Backbone

sonnenBatterie Evo
77 / 100
Ocean 2
56 / 100

Energy Ecosystem

sonnenBatterie Evo
40 / 100
Ocean 2
44 / 100
Side by side

Key specifications

MeasuresonnenBatterie EvoOcean 2
ArchitectureAll-in-one energy systemAll-in-one energy system
Published usable capacity range10 kWh5–60 kWh
ChemistryLFPLFP
PowerNot recorded3.4 kW
Round-tripNot recordedNot recorded
Cycle lifeNot recorded6,000 cycles
Scored benchmarkNot stated5.02 kWh

Architecture

sonnenBatterie Evo
All-in-one energy system
Ocean 2
All-in-one energy system

Published usable capacity range

sonnenBatterie Evo
10 kWh
Ocean 2
5–60 kWh

Chemistry

sonnenBatterie Evo
LFP
Ocean 2
LFP

Power

sonnenBatterie Evo
Not recorded
Ocean 2
3.4 kW

Round-trip

sonnenBatterie Evo
Not recorded
Ocean 2
Not recorded

Cycle life

sonnenBatterie Evo
Not recorded
Ocean 2
6,000 cycles

Scored benchmark

sonnenBatterie Evo
Not stated
Ocean 2
5.02 kWh
Decision snapshot

Where the comparison separates

OverallOcean 2 leads the global score by 8 points.
Strongest dimensionssonnenBatterie Evo: Guarantee & Backbone · Ocean 2: Safety & Chemistry
Largest differenceOcean 2 has the largest pillar edge in Safety & Chemistry (28 points).
Evidence coveragesonnenBatterie Evo: strong evidence coverage (100%) · Ocean 2: strong evidence coverage (61%)

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.