| Published power range | 370–390 W |
| Scored benchmark | 390 W |
| Module efficiency | 21.8% |
| Temp. coefficient Pmax | -0.259 %/°C |
| First-year degradation | 1% |
| Annual degradation | 0.2 %/yr |
| Product warranty | 30 yr |
| Performance warranty | 30 yr |
Some values are estimated where independent verification was not available: see the full scorecard and review.solar/terms.
Glass · every criterion scored by the historical rubric (panel v2.10.0 (historical assessment, frozen 2026-08-06)), with its recorded value, evidence status, and any linked source. Page 1 carries the buying-decision summary; this page is the full record for verification and right of reply.
| Architecture & Design | |||
| Cell technology tier | Heterojunction (HJT) tier | datasheet | Source |
| Fire classification (IEC 61730) | Certified | stated | Source |
| Efficiency & Yield | |||
| Module efficiency (%) | 21.8 | datasheet | Source |
| Temp coefficient Pmax (%/C) | -0.259 | datasheet | Source |
| NOCT (C) | 43 | datasheet | Source |
| Bifaciality factor (%) | 90.0 | stated | Source |
| Durability (verified) | |||
| Positive loading (MQT16, Pa) | 6000 | stated | Source |
| Negative loading (MQT16, Pa) | 4000 | stated | Source |
| PID (IEC TS 62804) | Independently tested / certified | datasheet | Source |
| Salt mist (IEC 61701) | Severity 1 | datasheet | Source |
| Performance & Degradation | |||
| Guaranteed end-of-warranty output (%) | 93.2 | datasheet | Source +1 |
| First-year degradation (%) | 1.0 | datasheet | Source +1 |
| Annual degradation (%/yr) | 0.2 | datasheet | Source +1 |
| Performance guarantee period (yrs) | 30 | datasheet | Source +1 |
| Guarantee & Backbone | |||
| Guarantee period (yrs) | 30 | datasheet | Source +1 |
| Guarantee assurance | Parts, Service & Transport | datasheet | Source +1 |
| Financial strength & warranty backing | Financial distress / going-concern risk | datasheet | Source +1 |
| Manufacturing track record | 4-10 years (or new brand, strong parent heritage) | datasheet | Source +1 |
| Sustainability | |||
| End-of-life & recycling disclosure | Take-back or recycling program published | stated | No link |
review.solar · audit sheet · panel v2.10.0 (historical assessment, frozen 2026-08-06) · https://review.solar/cards/meyer-burger-meyer-burger-glass-hjt-glass-glass-cautionary-i