--- title: "Reliance New Energy RNE700AA-66-BGG vs Reliance New Energy RNE705AA-66-BGG - Solar Panel Comparison | ComparePV" description: "Compare Reliance New Energy RNE700AA-66-BGG vs Reliance New Energy RNE705AA-66-BGG side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/reliance-new-energy-rne700aa-66-bgg/reliance-new-energy-rne705aa-66-bgg" updated: 2026-09-11 --- # Reliance New Energy RNE700AA-66-BGG vs Reliance New Energy RNE705AA-66-BGG 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 | [Reliance New Energy RNE700AA-66-BGG](https://comparepv.com/panel/reliance-new-energy-rne700aa-66-bgg) | [Reliance New Energy RNE705AA-66-BGG](https://comparepv.com/panel/reliance-new-energy-rne705aa-66-bgg) | | Manufacturer | Reliance New Energy | Reliance New Energy | | Power | 700 Wp | 705 Wp | | Efficiency | 22.50 % | 22.60 % | | Technology | HJT | HJT | ## Every compared parameter | Parameter | RNE700AA-66-BGG | RNE705AA-66-BGG | | --- | --- | --- | | Rated power | 700 Wp | 705 Wp | | Module efficiency | 22.50 % | 22.60 % | | Power density | 224.8 Wp/m² | 226.4 Wp/m² | | Open-circuit voltage | 49.40 V | 49.40 V | | Voltage at max power | 41.40 V | 41.40 V | | Short-circuit current | 17.72 A | 17.81 A | | Current at max power | 16.91 A | 17.03 A | | Temperature coefficient | -0.240 %/°C | -0.240 %/°C | | Dimensions | 2386x1305x30 mm | 2386x1305x30 mm | | Module area | 3.114 m² | 3.114 m² | | Weight | 38.3 kg | 38.3 kg | | Weight per kWp | 54.7 kg/kWp | 54.3 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.30 %/yr | 0.30 %/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 (-0.240 %/°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, RNE700AA-66-BGG:** 23,852 kWh - **Cumulative output, RNE705AA-66-BGG:** 24,022 kWh - **Gap:** 170 kWh ## Output when hot | Condition | Cell temperature | RNE700AA-66-BGG | RNE705AA-66-BGG | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 700 W | 705 W | 100.0% of rated power | | Cool, bright day | 40 °C | 675 W | 680 W | 96.4% of rated power | | Typical summer roof | 55 °C | 650 W | 654 W | 92.8% of rated power | | Hot roof | 70 °C | 624 W | 629 W | 89.2% of rated power | ## Against the whole database | Measure | RNE700AA-66-BGG | RNE705AA-66-BGG | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #4,222 | #3,658 | 14,005 | RNE705AA-66-BGG leads by 564 places | | Power density | #4,496 | #3,630 | 14,005 | RNE705AA-66-BGG leads by 866 places | | Heat behaviour | #13 | #13 | 14,005 | Tied - the same position in the database | | Weight | #9,103 | #8,604 | 14,005 | RNE705AA-66-BGG leads by 499 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #944 | #792 | 14,005 | RNE705AA-66-BGG leads by 152 places | ## Questions ### Which panel is better: Reliance New Energy RNE700AA-66-BGG or Reliance New Energy RNE705AA-66-BGG? According to our database: **Reliance New Energy RNE705AA-66-BGG** has higher module efficiency (**22.60%** vs **22.50%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Reliance New Energy RNE700AA-66-BGG and Reliance New Energy RNE705AA-66-BGG? **Reliance New Energy RNE700AA-66-BGG** has a module efficiency of **22.50%**, while **Reliance New Energy RNE705AA-66-BGG** is **22.60%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Reliance New Energy RNE700AA-66-BGG use vs Reliance New Energy RNE705AA-66-BGG? **Reliance New Energy RNE700AA-66-BGG** uses **HJT** cells; **Reliance New Energy RNE705AA-66-BGG** 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 Reliance New Energy RNE700AA-66-BGG and Reliance New Energy RNE705AA-66-BGG? **Reliance New Energy RNE700AA-66-BGG** has a **30 years** power warranty; **Reliance New Energy RNE705AA-66-BGG** 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 Reliance New Energy RNE700AA-66-BGG and Reliance New Energy RNE705AA-66-BGG bifacial panels? Both **Reliance New Energy RNE700AA-66-BGG** and **Reliance New Energy RNE705AA-66-BGG** 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 - [Reliance New Energy RNE700AA-66-BGG vs Reliance New Energy RNE720AA-66-BGG](https://comparepv.com/compare/reliance-new-energy-rne700aa-66-bgg/reliance-new-energy-rne720aa-66-bgg) - 3 differences, the largest is module efficiency - [Reliance New Energy RNE700AA-66-BGG vs Reliance New Energy RNE715AA-66-BGG](https://comparepv.com/compare/reliance-new-energy-rne700aa-66-bgg/reliance-new-energy-rne715aa-66-bgg) - 3 differences, the largest is module efficiency - [Reliance New Energy RNE700AA-66-BGG vs Reliance New Energy RNE710AA-66-BGG](https://comparepv.com/compare/reliance-new-energy-rne700aa-66-bgg/reliance-new-energy-rne710aa-66-bgg) - 3 differences, the largest is module efficiency - [Reliance New Energy RNE700AA-66-BGG vs Reliance New Energy RNE695AA-66-BGG](https://comparepv.com/compare/reliance-new-energy-rne700aa-66-bgg/reliance-new-energy-rne695aa-66-bgg) - One difference: module efficiency - [Reliance New Energy RNE700AA-66-BGG vs Reliance New Energy RNE690AA-66-BGG](https://comparepv.com/compare/reliance-new-energy-rne700aa-66-bgg/reliance-new-energy-rne690aa-66-bgg) - 3 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/reliance-new-energy-rne700aa-66-bgg/reliance-new-energy-rne705aa-66-bgg 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.