The assessment
How it scores, by category
Market position
The data
All-in-one energy system
Presents storage and power conversion as one integrated product or product platform.
- Product role
- Battery modules, inverter functions and controls are packaged as one purchasing architecture.
- Published range
- 7.3–43.77 kWh
- Phase
- Single phase
- Backup boundary
- Installation-specific
What the documents establish
Published evidence, source-reviewed non-disclosure and unresolved questions remain separate from the product score.
Usable capacity
95% of this battery’s nominal capacity is usable, 14.59 kWh in the scored configuration.14.59 kWh usableScored configuration: Cygni 10.0HS-M4. Published range 7.3–43.77 kWh.
The remaining 5% stays in the pack as reserve; the home never draws it.
Nominal capacity is not stated here. The usable kWh and the depth-of-discharge percentage are sourced separately, at times from different documents and different module counts, so dividing one by the other would produce a nominal figure no manufacturer published.
Usable capacity sourceDepth-of-discharge source 1Depth-of-discharge source 2Capacity guarantee: minimum retained at year 10
No year-by-year capacity schedule is published for this product - the manufacturer guarantees only this end-of-term minimum, not a specific decline curve. Capacity figure based on the sourced usable capacity of the base configuration; modular systems scale with additional modules.
Verification & sources
Market context
Global evidencechange in the site menu
Global benchmark. This scorecard is benchmarked globally. A global score does not imply local availability, certification, warranty coverage, or installer compatibility.
Benchmark anchor. The score is fixed to 10.0HS-M4. M6-M12 power, backup and integration claims do not transfer to the scored reference. Scored model: Cygni 10.0HS-M4 · checked 2026-08-02. Evidence.
Sources & references · checked 2026-09-04
Strong evidence coverage
18 of 18 scored criteria link directly to a published source.
Values marked estimated, derived, or not found remain visible on the audit sheet and do not carry the same evidential weight as a linked source. Coverage measures direct links, not an independent guarantee that a claim is correct.
Record revision. Exact Cygni Australian datasheet, manual and V2-2025 governing warranty reviewed 2026-08-06. First-market US and DE overlay review 2026-09-01: official regional catalogues recorded; Australian overlays and scores unchanged. T6 United States first-market overlay review 2026-09-04: official United States catalogues recorded; Australian and German overlays and scores unchanged.
- Sourced valuesData card →
- Warranty summary10-year product warranty →
Show 4 more
- Archived copy of the primary sourcePDF ↗
- Usable energy / DoD (%)Manufacturer ↗
- Continuous power output (kW)Manufacturer ↗
- VPP & grid services readinessManufacturer ↗
Product record history
3 changes to this record · 17 products changed in this update
Source revision
- Current text
- Exact Cygni Australian datasheet, manual and V2-2025 governing warranty reviewed 2026-08-06. First-market US and DE overlay review 2026-09-01: official regional catalogues recorded; Australian overlays and scores unchanged. T6 United States first-market overlay review 2026-09-04: official United States catalogues recorded; Australian and German overlays and scores unchanged.
The previous text is not reproduced here: both versions run to a full research paragraph. Both are in the JSON record linked below.
Primary datasheetUS Evidence sources
- Before
- https://us.dyness.com/
- After
- https://us.dyness.com/; https://www.dyness.com/cygni-all-in-one-residential-energy-system
US Support Note
- Before
- us.dyness.com returns HTTP 403. No official United States catalogue naming Cygni 10.0HS-M4 was retrieved. Held is not unavailable. Other Cygni M2-M12 configs are not transferred.
- After
- us.dyness.com returns HTTP 403. The global Cygni page is not a United States sale path. No official United States catalogue naming Cygni 10.0HS-M4 was retrieved. Held is not unavailable. Other Cygni M2-M12 configs are not transferred.
9 changes to this record · 152 products changed in this update
DE Support Note
- Before
- Not previously recorded
- After
- de.dyness.com returns HTTP 403. No German catalogue naming Cygni 10.0HS-M4 was retrieved. Held is not unavailable.
Source revision
- Before
- Exact Cygni Australian datasheet, manual and V2-2025 governing warranty reviewed 2026-08-06
- After
- Exact Cygni Australian datasheet, manual and V2-2025 governing warranty reviewed 2026-08-06. First-market US and DE overlay review 2026-09-01: official regional catalogues recorded; Australian overlays and scores unchanged.
US Support Note
- Before
- Not previously recorded
- After
- us.dyness.com returns HTTP 403. No official United States catalogue naming Cygni 10.0HS-M4 was retrieved. Held is not unavailable. Other Cygni M2-M12 configs are not transferred.
1 change to this record · 147 products changed in this update
1F7768D4Bce9
- Current text
- accepted at: 2026-08-09; category: battery; certification model: Cygni 10.0HS-M4 (AS4777-2 2020); jurisdiction: au_cec; match method: exact_normalized_single_record; product slug: dyness-cygni-au; source key: data/batteries/dyness_cygni_au.json; source manufacturer name: Dyness Digital Energy Technology Co Ltd; validation: approved at: 2025-07-14; candidate model: Cygni 10.0HS-M4 (AS4777-2 2020); data confidence: High; evidence url: https://cer.gov.au/document/cec-approved-solar-batteries-0; expires at: 2027-12-31; list data version: au-cer-battery-2026-08-20-b3f077cbe945; list retrieved at: 2026-08-27T04:30:11Z; listing status at validation: listed
The previous text is not reproduced here: both versions run to a full research paragraph. Both are in the JSON record linked below.
Australian approved-product source identity
8 changes to this record · 78 products changed in this update
Confidence
- Before
- Not previously recorded
- After
- high
Value
- Before
- Not previously recorded
- After
- No exact-system round-trip efficiency for Cygni 10.0HS-M4 is published in the reviewed evidence.
State
- Before
- Not previously recorded
- After
- supported
Confidence
- Before
- Not previously recorded
- After
- high
Evidence sources
- Before
- Not previously recorded
- After
- https://au.dyness.com/Public/Uploads/uploadfile/files/20251010/DynessCygniDatasheet.pdf
State
- Before
- Not previously recorded
- After
- reviewed_absence
Value
- Before
- Not previously recorded
- After
- The exact Cygni datasheet publishes 8,000 cycles to 70% retained capacity under its stated test conditions.
Evidence sources
- Before
- Not previously recorded
- After
- https://au.dyness.com/Public/Uploads/uploadfile/files/20251010/DynessCygniDatasheet.pdf; https://au.dyness.com/Public/Uploads/uploadfile/files/20251010/DynessCygniUserManualEN.pdf
This is review.solar's publication history. It does not claim the product changed on the recorded date, and it excludes compatibility, system pairing, installation suitability and relative leaderboard prose. Open the complete JSON record.
Evidence timeline
Recorded verification events for this scorecard. These are evidence checks, not historical score snapshots.
- Core scorecard evidence checked
- US market evidence checked
- DE market evidence checked
- Australian certification source identity verified
- AU market evidence checked
- Plain-language warranty summary checked
- Series benchmark evidence checked
Scored by Solar Analytica Research
Further reading from Findings
Stay across the benchmark.
New scorecards, score changes and market signals, published as they happen.
Our reading
Cygni scores 64, placing 30 of 76 in the Performance & Value class against a class average of 63.0. Its strongest scoring dimension is capacity & usability (85), above the class average of 84. Energy Ecosystem scores 40, the lowest pillar for this product. The class average on energy ecosystem is 47. Key specifications: LFP, 9.999 kW continuous output.
Dietreich Farquharson · review.solar