--- title: "Sunplus 745 vs Sunplus 750 - Solar Panel Comparison | ComparePV" description: "Compare Sunplus 745 vs Sunplus 750 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/sunplus-745/sunplus-750" updated: 2026-09-11 --- # Sunplus 745 vs Sunplus 750 Identical on every published parameter All 18 comparable parameters agree, with 1 more left out because at least one datasheet does not publish it. 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 | [Sunplus 745](https://comparepv.com/panel/sunplus-745) | [Sunplus 750](https://comparepv.com/panel/sunplus-750) | | Manufacturer | Sunplus | Sunplus | | Power | 745 Wp | 750 Wp | | Efficiency | 24.00 % | 24.10 % | | Technology | HJT | HJT | ## Every compared parameter | Parameter | 745 | 750 | | --- | --- | --- | | Rated power | 745 Wp | 750 Wp | | Module efficiency | 24.00 % | 24.10 % | | Power density | 239.8 Wp/m² | 241.4 Wp/m² | | Open-circuit voltage | 51.02 V | 51.03 V | | Voltage at max power | 44.10 V | 44.41 V | | Short-circuit current | 17.72 A | 17.74 A | | Current at max power | 16.84 A | 16.89 A | | Temperature coefficient | -0.300 %/°C | -0.300 %/°C | | Dimensions | 2384x1303x35 mm | 2384x1303x35 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 39.0 kg | 39.0 kg | | Weight per kWp | 52.3 kg/kWp | 52.0 kg/kWp | | Product warranty | - | - | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.31 %/yr | 0.31 %/yr | | Cell technology | HJT | HJT | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 156 | 156 | | 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 (-0.300 %/°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, 745:** 25,346 kWh - **Cumulative output, 750:** 25,516 kWh - **Gap:** 170 kWh ## Output when hot | Condition | Cell temperature | 745 | 750 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 745 W | 750 W | 100.0% of rated power | | Cool, bright day | 40 °C | 711 W | 716 W | 95.5% of rated power | | Typical summer roof | 55 °C | 678 W | 683 W | 91.0% of rated power | | Hot roof | 70 °C | 644 W | 649 W | 86.5% of rated power | ## Against the whole database | Measure | 745 | 750 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #303 | #219 | 14,005 | 750 leads by 84 places | | Power density | #339 | #219 | 14,005 | 750 leads by 120 places | | Heat behaviour | #6,093 | #6,093 | 14,005 | Tied - the same position in the database | | Weight | #5,847 | #5,417 | 14,005 | 750 leads by 430 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #836 | #665 | 14,005 | 750 leads by 171 places | ## Questions ### Which panel is better: Sunplus 745 or Sunplus 750? According to our database: **Sunplus 750** has higher module efficiency (**24.10%** vs **24.00%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Sunplus 745 and Sunplus 750? **Sunplus 745** has a module efficiency of **24.00%**, while **Sunplus 750** is **24.10%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Sunplus 745 use vs Sunplus 750? **Sunplus 745** uses **HJT** cells; **Sunplus 750** 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 Sunplus 745 and Sunplus 750? **Sunplus 745** has a **30 years** power warranty; **Sunplus 750** 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 Sunplus 745 and Sunplus 750 bifacial panels? Both **Sunplus 745** and **Sunplus 750** 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 - [Sunplus 745 vs Sunplus 740](https://comparepv.com/compare/sunplus-745/sunplus-740) - One difference: module efficiency - [Sunplus 745 vs Sunplus 735](https://comparepv.com/compare/sunplus-745/sunplus-735) - 3 differences, the largest is module efficiency - [Sunplus 745 vs Sunplus 730](https://comparepv.com/compare/sunplus-745/sunplus-730) - 3 differences, the largest is module efficiency - [Sunplus 745 vs Sunplus 725](https://comparepv.com/compare/sunplus-745/sunplus-725) - 3 differences, the largest is module efficiency - [Sunplus 745 vs Sunplus SR5-60HBD-600M](https://comparepv.com/compare/sunplus-745/sunplus-sr5-60hbd-600m) - 14 differences, the largest is module efficiency - [Sunplus 745 vs Sunplus SR5-60HBD-595M](https://comparepv.com/compare/sunplus-745/sunplus-sr5-60hbd-595m) - 14 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/sunplus-745/sunplus-750 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.