--- title: "MY Solar MS715N-HJTGB vs MY Solar MS720N-HJTGB - Solar Panel Comparison | ComparePV" description: "Compare MY Solar MS715N-HJTGB vs MY Solar MS720N-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-ms715n-hjtgb/my-solar-ms720n-hjtgb" updated: 2026-09-11 --- # MY Solar MS715N-HJTGB vs MY Solar MS720N-HJTGB Identical on every published parameter All 19 comparable parameters agree. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [MY Solar MS715N-HJTGB](https://comparepv.com/panel/my-solar-ms715n-hjtgb) | [MY Solar MS720N-HJTGB](https://comparepv.com/panel/my-solar-ms720n-hjtgb) | | Manufacturer | MY Solar | MY Solar | | Power | 715 Wp | 720 Wp | | Efficiency | 23.01 % | 23.17 % | | Technology | HJT | HJT | ## Every compared parameter | Parameter | MS715N-HJTGB | MS720N-HJTGB | | --- | --- | --- | | Rated power | 715 Wp | 720 Wp | | Module efficiency | 23.01 % | 23.17 % | | Power density | 230.2 Wp/m² | 231.8 Wp/m² | | Open-circuit voltage | 50.60 V | 50.75 V | | Voltage at max power | 42.55 V | 42.70 V | | Short-circuit current | 17.61 A | 17.67 A | | Current at max power | 16.81 A | 16.87 A | | Temperature coefficient | -0.260 %/°C | -0.260 %/°C | | Dimensions | 2384x1303x35 mm | 2384x1303x35 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 38.8 kg | 38.8 kg | | Weight per kWp | 54.3 kg/kWp | 53.9 kg/kWp | | Product warranty | 30 yrs | 30 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.25 %/yr | 0.25 %/yr | | Cell technology | HJT | HJT | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | Bifacial | Yes | Yes | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.260 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other. - **Cumulative output, MS715N-HJTGB:** 24,550 kWh - **Cumulative output, MS720N-HJTGB:** 24,721 kWh - **Gap:** 171 kWh ## Output when hot | Condition | Cell temperature | MS715N-HJTGB | MS720N-HJTGB | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 715 W | 720 W | 100.0% of rated power | | Cool, bright day | 40 °C | 687 W | 692 W | 96.1% of rated power | | Typical summer roof | 55 °C | 659 W | 664 W | 92.2% of rated power | | Hot roof | 70 °C | 631 W | 636 W | 88.3% of rated power | ## Against the whole database | Measure | MS715N-HJTGB | MS720N-HJTGB | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #1,911 | #1,473 | 14,005 | MS720N-HJTGB leads by 438 places | | Power density | #2,018 | #1,347 | 14,005 | MS720N-HJTGB leads by 671 places | | Heat behaviour | #511 | #511 | 14,005 | Tied - the same position in the database | | Weight | #8,518 | #8,017 | 14,005 | MS720N-HJTGB leads by 501 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #43 | #27 | 14,005 | MS720N-HJTGB leads by 16 places | ## Questions ### Which panel is better: MY Solar MS715N-HJTGB or MY Solar MS720N-HJTGB? According to our database: **MY Solar MS720N-HJTGB** has higher module efficiency (**23.17%** vs **23.01%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of MY Solar MS715N-HJTGB and MY Solar MS720N-HJTGB? **MY Solar MS715N-HJTGB** has a module efficiency of **23.01%**, while **MY Solar MS720N-HJTGB** is **23.17%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does MY Solar MS715N-HJTGB use vs MY Solar MS720N-HJTGB? **MY Solar MS715N-HJTGB** uses **HJT** cells; **MY Solar MS720N-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 MS715N-HJTGB and MY Solar MS720N-HJTGB? **MY Solar MS715N-HJTGB** has a **30 years** power warranty; **MY Solar MS720N-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 MS715N-HJTGB and MY Solar MS720N-HJTGB bifacial panels? Both **MY Solar MS715N-HJTGB** and **MY Solar MS720N-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 MS715N-HJTGB vs MY Solar MS740N-HJTGB](https://comparepv.com/compare/my-solar-ms715n-hjtgb/my-solar-ms740n-hjtgb) - 5 differences, the largest is module efficiency - [MY Solar MS715N-HJTGB vs MY Solar MS735N-HJTGB](https://comparepv.com/compare/my-solar-ms715n-hjtgb/my-solar-ms735n-hjtgb) - 5 differences, the largest is module efficiency - [MY Solar MS715N-HJTGB vs MY Solar MS730N-HJTGB](https://comparepv.com/compare/my-solar-ms715n-hjtgb/my-solar-ms730n-hjtgb) - 4 differences, the largest is module efficiency - [MY Solar MS715N-HJTGB vs MY Solar MS725N-HJTGB](https://comparepv.com/compare/my-solar-ms715n-hjtgb/my-solar-ms725n-hjtgb) - 4 differences, the largest is temperature coefficient - [MY Solar MS715N-HJTGB vs MY Solar MS710N-HJTGB](https://comparepv.com/compare/my-solar-ms715n-hjtgb/my-solar-ms710n-hjtgb) - The same specification on paper - [MY Solar MS715N-HJTGB vs MY Solar MS705N-HJTGB](https://comparepv.com/compare/my-solar-ms715n-hjtgb/my-solar-ms705n-hjtgb) - 3 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/my-solar-ms715n-hjtgb/my-solar-ms720n-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.