--- title: "Axitec AC-570TGB/144TS vs Axitec AC-585TGB/144TS - Solar Panel Comparison | ComparePV" description: "Compare Axitec AC-570TGB/144TS vs Axitec AC-585TGB/144TS side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/axitec-ac-570tgb-144ts/axitec-ac-585tgb-144ts" updated: 2026-09-11 --- # Axitec AC-570TGB/144TS vs Axitec AC-585TGB/144TS 585TGB/144TS leads on the differences that matter The largest is module efficiency: 0.58 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Axitec AC-570TGB/144TS](https://comparepv.com/panel/axitec-ac-570tgb-144ts) | [Axitec AC-585TGB/144TS](https://comparepv.com/panel/axitec-ac-585tgb-144ts) | | Manufacturer | Axitec | Axitec | | Power | 570 Wp | 585 Wp | | Efficiency | 22.07 % | 22.65 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 570TGB/144TS | 585TGB/144TS | Difference | | --- | --- | --- | --- | | Module efficiency | 22.07 % | 22.65 % | +0.58 pp for 585TGB/144TS | | Power density | 220.7 Wp/m² | 226.5 Wp/m² | +5.8 Wp/m² for 585TGB/144TS | | Rated power | 570 Wp | 585 Wp | +15 W for 585TGB/144TS | ## Every compared parameter | Parameter | 570TGB/144TS | 585TGB/144TS | | --- | --- | --- | | Rated power | 570 Wp | 585 Wp | | Module efficiency | 22.07 % | 22.65 % | | Power density | 220.7 Wp/m² | 226.5 Wp/m² | | Open-circuit voltage | 51.55 V | 52.26 V | | Voltage at max power | 43.52 V | 44.16 V | | Short-circuit current | 13.99 A | 14.17 A | | Current at max power | 13.10 A | 13.25 A | | Temperature coefficient | -0.310 %/°C | -0.310 %/°C | | Dimensions | 2278x1134x30 mm | 2278x1134x30 mm | | Module area | 2.583 m² | 2.583 m² | | Weight | 31.2 kg | 31.2 kg | | Weight per kWp | 54.7 kg/kWp | 53.3 kg/kWp | | Product warranty | 30 yrs | 30 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 (-0.310 %/°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, 570TGB/144TS:** 19,125 kWh - **Cumulative output, 585TGB/144TS:** 19,628 kWh - **Gap:** 503 kWh ## Output when hot | Condition | Cell temperature | 570TGB/144TS | 585TGB/144TS | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 570 W | 585 W | 100.0% of rated power | | Cool, bright day | 40 °C | 543 W | 558 W | 95.3% of rated power | | Typical summer roof | 55 °C | 517 W | 531 W | 90.7% of rated power | | Hot roof | 70 °C | 490 W | 503 W | 86.0% of rated power | ## Against the whole database | Measure | 570TGB/144TS | 585TGB/144TS | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #6,136 | #3,522 | 14,005 | 585TGB/144TS leads by 2,614 places | | Power density | #6,058 | #3,500 | 14,005 | 585TGB/144TS leads by 2,558 places | | Heat behaviour | #8,005 | #8,005 | 14,005 | Tied - the same position in the database | | Weight | #9,146 | #7,236 | 14,005 | 585TGB/144TS leads by 1,910 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #1,883 | #1,284 | 14,005 | 585TGB/144TS leads by 599 places | ## Questions ### Which panel is better: Axitec AC-570TGB/144TS or Axitec AC-585TGB/144TS? According to our database: **Axitec AC-585TGB/144TS** has higher module efficiency (**22.65%** vs **22.07%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Axitec AC-570TGB/144TS and Axitec AC-585TGB/144TS? **Axitec AC-570TGB/144TS** has a module efficiency of **22.07%**, while **Axitec AC-585TGB/144TS** is **22.65%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Axitec AC-570TGB/144TS use vs Axitec AC-585TGB/144TS? **Axitec AC-570TGB/144TS** uses **TOPCon** cells; **Axitec AC-585TGB/144TS** 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 Axitec AC-570TGB/144TS and Axitec AC-585TGB/144TS? **Axitec AC-570TGB/144TS** has a **30 years** power warranty; **Axitec AC-585TGB/144TS** 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 Axitec AC-570TGB/144TS and Axitec AC-585TGB/144TS bifacial panels? Both **Axitec AC-570TGB/144TS** and **Axitec AC-585TGB/144TS** 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 - [Axitec AC-570TGB/144TS vs Axitec AC-590TB/144TS](https://comparepv.com/compare/axitec-ac-570tgb-144ts/axitec-ac-590tb-144ts) - 3 differences, the largest is module efficiency - [Axitec AC-570TGB/144TS vs Axitec AC-590TGB/144TS](https://comparepv.com/compare/axitec-ac-570tgb-144ts/axitec-ac-590tgb-144ts) - 3 differences, the largest is module efficiency - [Axitec AC-570TGB/144TS vs Axitec AC-580TGB/144TS](https://comparepv.com/compare/axitec-ac-570tgb-144ts/axitec-ac-580tgb-144ts) - 3 differences, the largest is module efficiency - [Axitec AC-570TGB/144TS vs Axitec AC-575TGB/144TS](https://comparepv.com/compare/axitec-ac-570tgb-144ts/axitec-ac-575tgb-144ts) - The same specification on paper - [Axitec AC-570TGB/144TS vs Axitec AC-710TGB/132TS](https://comparepv.com/compare/axitec-ac-570tgb-144ts/axitec-ac-710tgb-132ts) - 11 differences, the largest is module efficiency - [Axitec AC-570TGB/144TS vs Axitec AC-705TGB/132TS](https://comparepv.com/compare/axitec-ac-570tgb-144ts/axitec-ac-705tgb-132ts) - 11 differences, the largest is rated power --- Source: https://comparepv.com/compare/axitec-ac-570tgb-144ts/axitec-ac-585tgb-144ts 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.