--- title: "MY Solar MS720N-HJTGB vs MY Solar MS735N-HJTGB - Solar Panel Comparison | ComparePV" description: "Compare MY Solar MS720N-HJTGB vs MY Solar MS735N-HJTGB side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/my-solar-ms720n-hjtgb/my-solar-ms735n-hjtgb" updated: 2026-09-11 --- # MY Solar MS720N-HJTGB vs MY Solar MS735N-HJTGB MS735N-HJTGB leads on the differences that matter The largest is module efficiency: 0.49 pp more efficient. 14 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [MY Solar MS720N-HJTGB](https://comparepv.com/panel/my-solar-ms720n-hjtgb) | [MY Solar MS735N-HJTGB](https://comparepv.com/panel/my-solar-ms735n-hjtgb) | | Manufacturer | MY Solar | MY Solar | | Power | 720 Wp | 735 Wp | | Efficiency | 23.17 % | 23.66 % | | Technology | HJT | HJT | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | MS720N-HJTGB | MS735N-HJTGB | Difference | | --- | --- | --- | --- | | Module efficiency | 23.17 % | 23.66 % | +0.49 pp for MS735N-HJTGB | | Temperature coefficient | -0.260 %/°C | -0.240 %/°C | +0.020 %/°C for MS735N-HJTGB | | Power density | 231.8 Wp/m² | 236.6 Wp/m² | +4.8 Wp/m² for MS735N-HJTGB | | Rated power | 720 Wp | 735 Wp | +15 W for MS735N-HJTGB | ## Every compared parameter | Parameter | MS720N-HJTGB | MS735N-HJTGB | | --- | --- | --- | | Rated power | 720 Wp | 735 Wp | | Module efficiency | 23.17 % | 23.66 % | | Power density | 231.8 Wp/m² | 236.6 Wp/m² | | Open-circuit voltage | 50.75 V | 51.20 V | | Voltage at max power | 42.70 V | 43.13 V | | Short-circuit current | 17.67 A | 17.88 A | | Current at max power | 16.87 A | 17.06 A | | Temperature coefficient | -0.260 %/°C | -0.240 %/°C | | Dimensions | 2384x1303x35 mm | 2384x1303x35 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 38.8 kg | 38.3 kg | | Weight per kWp | 53.9 kg/kWp | 52.1 kg/kWp | | Product warranty | 30 yrs | 30 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.25 %/yr | - | | Cell technology | HJT | HJT | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | Bifacial | Yes | Yes | ## Thirty-year yield A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year - **Cumulative output, MS720N-HJTGB:** 24,157 kWh - **Cumulative output, MS735N-HJTGB:** 24,661 kWh - **Gap:** 504 kWh ## Output when hot | Condition | Cell temperature | MS720N-HJTGB | MS735N-HJTGB | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 720 W | 735 W | 100.0% of rated power | | Cool, bright day | 40 °C | 692 W | 709 W | 96.1% of rated power | | Typical summer roof | 55 °C | 664 W | 682 W | 92.2% of rated power | | Hot roof | 70 °C | 636 W | 656 W | 88.3% of rated power | ## Against the whole database | Measure | MS720N-HJTGB | MS735N-HJTGB | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #1,473 | #602 | 14,005 | MS735N-HJTGB leads by 871 places | | Power density | #1,347 | #582 | 14,005 | MS735N-HJTGB leads by 765 places | | Heat behaviour | #511 | #13 | 14,005 | MS735N-HJTGB leads by 498 places | | Weight | #8,017 | #5,576 | 14,005 | MS735N-HJTGB leads by 2,441 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #27 | #5 | 14,005 | MS735N-HJTGB leads by 22 places | ## Questions ### Which panel is better: MY Solar MS720N-HJTGB or MY Solar MS735N-HJTGB? According to our database: **MY Solar MS735N-HJTGB** has higher module efficiency (**23.66%** vs **23.17%**); **MY Solar MS735N-HJTGB** tolerates heat better (temp coeff **-0.240%/°C** vs **-0.260%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of MY Solar MS720N-HJTGB and MY Solar MS735N-HJTGB? **MY Solar MS720N-HJTGB** has a module efficiency of **23.17%**, while **MY Solar MS735N-HJTGB** is **23.66%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does MY Solar MS720N-HJTGB use vs MY Solar MS735N-HJTGB? **MY Solar MS720N-HJTGB** uses **HJT** cells; **MY Solar MS735N-HJTGB** uses **HJT**. Modern **n-type** technologies (**TOPCon**, **HJT**, BC) typically deliver higher efficiency and lower degradation compared to older **PERC** (p-type) cells. ### What is the warranty on MY Solar MS720N-HJTGB and MY Solar MS735N-HJTGB? **MY Solar MS720N-HJTGB** has a **30 years** power warranty; **MY Solar MS735N-HJTGB** has a **30 years** power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80**-87%**). Product (materials) warranties are usually shorter. ### Are MY Solar MS720N-HJTGB and MY Solar MS735N-HJTGB bifacial panels? Both **MY Solar MS720N-HJTGB** and **MY Solar MS735N-HJTGB** are bifacial - they capture reflected light from the ground, which can add 5**-15%** more annual energy on ground-mount or elevated rooftop installations with a light surface beneath. ## Related comparisons - [MY Solar MS720N-HJTGB vs MY Solar MS740N-HJTGB](https://comparepv.com/compare/my-solar-ms720n-hjtgb/my-solar-ms740n-hjtgb) - 5 differences, the largest is module efficiency - [MY Solar MS720N-HJTGB vs MY Solar MS730N-HJTGB](https://comparepv.com/compare/my-solar-ms720n-hjtgb/my-solar-ms730n-hjtgb) - 4 differences, the largest is temperature coefficient - [MY Solar MS720N-HJTGB vs MY Solar MS725N-HJTGB](https://comparepv.com/compare/my-solar-ms720n-hjtgb/my-solar-ms725n-hjtgb) - One difference: temperature coefficient - [MY Solar MS720N-HJTGB vs MY Solar MS715N-HJTGB](https://comparepv.com/compare/my-solar-ms720n-hjtgb/my-solar-ms715n-hjtgb) - The same specification on paper - [MY Solar MS720N-HJTGB vs MY Solar MS710N-HJTGB](https://comparepv.com/compare/my-solar-ms720n-hjtgb/my-solar-ms710n-hjtgb) - 3 differences, the largest is module efficiency - [MY Solar MS720N-HJTGB vs MY Solar MS705N-HJTGB](https://comparepv.com/compare/my-solar-ms720n-hjtgb/my-solar-ms705n-hjtgb) - 3 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/my-solar-ms720n-hjtgb/my-solar-ms735n-hjtgb Not in this file, on the page: the thirty-year yield curve year by year at a cell temperature you pick and a written summary generated on request.