--- title: "FuturaSun FU 585 MV vs FuturaSun FU 590 MV - Solar Panel Comparison | ComparePV" description: "Compare FuturaSun FU 585 MV vs FuturaSun FU 590 MV side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/futurasun-fu-585-mv/futurasun-fu-590-mv" image: "https://comparepv.com/og/compare/panels/futurasun-fu-585-mv/futurasun-fu-590-mv.png" updated: 2026-09-11 --- # FuturaSun FU 585 MV vs FuturaSun FU 590 MV 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 | [FuturaSun FU 585 MV](https://comparepv.com/panel/futurasun-fu-585-mv) | [FuturaSun FU 590 MV](https://comparepv.com/panel/futurasun-fu-590-mv) | | Manufacturer | FuturaSun | FuturaSun | | Power | 585 Wp | 590 Wp | | Efficiency | 22.65 % | 22.84 % | | Technology | TOPCon | TOPCon | ## Every compared parameter | Parameter | 585 MV | 590 MV | | --- | --- | --- | | Rated power | 585 Wp | 590 Wp | | Module efficiency | 22.65 % | 22.84 % | | Power density | 226.5 Wp/m² | 228.4 Wp/m² | | Open-circuit voltage | 51.14 V | 51.28 V | | Voltage at max power | 42.50 V | 42.65 V | | Short-circuit current | 14.56 A | 14.64 A | | Current at max power | 13.77 A | 13.84 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 2278x1134x30 mm | 2278x1134x30 mm | | Module area | 2.583 m² | 2.583 m² | | Weight | 32.0 kg | 32.0 kg | | Weight per kWp | 54.7 kg/kWp | 54.2 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 144 | 144 | | 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 (-0.290 %/°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, 585 MV:** 19,628 kWh - **Cumulative output, 590 MV:** 19,796 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 585 MV | 590 MV | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 585 W | 590 W | 100.0% of rated power | | Cool, bright day | 40 °C | 560 W | 564 W | 95.7% of rated power | | Typical summer roof | 55 °C | 534 W | 539 W | 91.3% of rated power | | Hot roof | 70 °C | 509 W | 513 W | 87.0% of rated power | ## Against the whole database | Measure | 585 MV | 590 MV | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #3,579 | #2,672 | 14,129 | 590 MV leads by 907 places | | Power density | #3,557 | #2,653 | 14,129 | 590 MV leads by 904 places | | Heat behaviour | #2,220 | #2,220 | 14,129 | Tied - the same position in the database | | Weight | #9,163 | #8,557 | 14,129 | 590 MV leads by 606 places | | Warranty | #21 | #21 | 14,129 | Tied - the same position in the database | | Overall | #3,558 | #3,178 | 14,129 | 590 MV leads by 380 places | ## Questions ### Which panel is better: FuturaSun FU 585 MV or FuturaSun FU 590 MV? According to our database: **FuturaSun FU 590 MV** has higher module efficiency (**22.84%** vs **22.65%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of FuturaSun FU 585 MV and FuturaSun FU 590 MV? **FuturaSun FU 585 MV** has a module efficiency of **22.65%**, while **FuturaSun FU 590 MV** is **22.84%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does FuturaSun FU 585 MV use vs FuturaSun FU 590 MV? **FuturaSun FU 585 MV** uses **TOPCon** cells; **FuturaSun FU 590 MV** uses **TOPCon**. 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 FuturaSun FU 585 MV and FuturaSun FU 590 MV? **FuturaSun FU 585 MV** has a **30 years** power warranty; **FuturaSun FU 590 MV** 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 FuturaSun FU 585 MV and FuturaSun FU 590 MV bifacial panels? Both **FuturaSun FU 585 MV** and **FuturaSun FU 590 MV** 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 - [FuturaSun FU 585 MV vs FuturaSun FU 720 MV](https://comparepv.com/compare/futurasun-fu-585-mv/futurasun-fu-720-mv) - 11 differences, the largest is rated power - [FuturaSun FU 585 MV vs FuturaSun FU 710 MV](https://comparepv.com/compare/futurasun-fu-585-mv/futurasun-fu-710-mv) - 10 differences, the largest is rated power - [FuturaSun FU 585 MV vs FuturaSun FU 700 MV](https://comparepv.com/compare/futurasun-fu-585-mv/futurasun-fu-700-mv) - 9 differences, the largest is rated power - [FuturaSun FU 585 MV vs FuturaSun FU 580 MV](https://comparepv.com/compare/futurasun-fu-585-mv/futurasun-fu-580-mv) - One difference: module efficiency - [FuturaSun FU 585 MV vs FuturaSun FU 575 MV](https://comparepv.com/compare/futurasun-fu-585-mv/futurasun-fu-575-mv) - 3 differences, the largest is module efficiency - [FuturaSun FU 585 MV vs FuturaSun FU 570 MV](https://comparepv.com/compare/futurasun-fu-585-mv/futurasun-fu-570-mv) - 3 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/futurasun-fu-585-mv/futurasun-fu-590-mv 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.