--- title: "HT-SAAE HT72-18X-555W vs HT-SAAE HT72-18X-560W - Solar Panel Comparison | ComparePV" description: "Compare HT-SAAE HT72-18X-555W vs HT-SAAE HT72-18X-560W side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/ht-saae-ht72-18x-555w-1/ht-saae-ht72-18x-560w-1" updated: 2026-09-11 --- # HT-SAAE HT72-18X-555W vs HT-SAAE HT72-18X-560W 560W leads on the differences that matter The largest is cell technology: PERC vs TOPCon. 17 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [HT-SAAE HT72-18X-555W](https://comparepv.com/panel/ht-saae-ht72-18x-555w-1) | [HT-SAAE HT72-18X-560W](https://comparepv.com/panel/ht-saae-ht72-18x-560w-1) | | Manufacturer | HT-SAAE | HT-SAAE | | Power | 555 Wp | 560 Wp | | Efficiency | 21.50 % | 21.70 % | | Technology | PERC | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 555W | 560W | Difference | | --- | --- | --- | --- | | Cell technology | PERC | TOPCon | PERC vs TOPCon | | Module efficiency | 21.50 % | 21.70 % | +0.20 pp for 560W | ## Every compared parameter | Parameter | 555W | 560W | | --- | --- | --- | | Rated power | 555 Wp | 560 Wp | | Module efficiency | 21.50 % | 21.70 % | | Power density | 214.8 Wp/m² | 216.7 Wp/m² | | Open-circuit voltage | 49.95 V | 50.10 V | | Voltage at max power | 42.10 V | 42.25 V | | Short-circuit current | 14.07 A | 14.14 A | | Current at max power | 13.20 A | 13.27 A | | Temperature coefficient | -0.330 %/°C | -0.330 %/°C | | Dimensions | 2279x1134x35 mm | 2279x1134x35 mm | | Module area | 2.584 m² | 2.584 m² | | Weight | 28.5 kg | 28.5 kg | | Weight per kWp | 51.4 kg/kWp | 50.9 kg/kWp | | Product warranty | 25 yrs | 25 yrs | | Performance warranty | 25 yrs | 25 yrs | | Annual degradation | 0.60 %/yr | 0.60 %/yr | | Cell technology | PERC | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 144 | 144 | | Bifacial | No | No | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.330 %/°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, 555W:** 17,742 kWh - **Cumulative output, 560W:** 17,902 kWh - **Gap:** 160 kWh ## Output when hot | Condition | Cell temperature | 555W | 560W | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 555 W | 560 W | 100.0% of rated power | | Cool, bright day | 40 °C | 528 W | 532 W | 95.0% of rated power | | Typical summer roof | 55 °C | 500 W | 505 W | 90.1% of rated power | | Hot roof | 70 °C | 473 W | 477 W | 85.2% of rated power | ## Against the whole database | Measure | 555W | 560W | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #7,958 | #7,421 | 14,005 | 560W leads by 537 places | | Power density | #8,148 | #7,538 | 14,005 | 560W leads by 610 places | | Heat behaviour | #8,545 | #8,545 | 14,005 | Tied - the same position in the database | | Weight | #4,712 | #4,264 | 14,005 | 560W leads by 448 places | | Warranty | #9,798 | #9,798 | 14,005 | Tied - the same position in the database | | Overall | #4,808 | #4,387 | 14,005 | 560W leads by 421 places | ## Questions ### Which panel is better: HT-SAAE HT72-18X-555W or HT-SAAE HT72-18X-560W? According to our database: **HT-SAAE HT72-18X-**560 W**** has higher module efficiency (**21.70%** vs **21.50%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of HT-SAAE HT72-18X-555W and HT-SAAE HT72-18X-560W? **HT-SAAE HT72-18X-**555 W**** has a module efficiency of **21.50%**, while **HT-SAAE HT72-18X-**560 W**** is **21.70%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does HT-SAAE HT72-18X-555W use vs HT-SAAE HT72-18X-560W? **HT-SAAE HT72-18X-**555 W**** uses **PERC** cells; **HT-SAAE HT72-18X-**560 W**** 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 HT-SAAE HT72-18X-555W and HT-SAAE HT72-18X-560W? **HT-SAAE HT72-18X-**555 W**** has a **25 years** power warranty; **HT-SAAE HT72-18X-**560 W**** has a **25 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. ## Related comparisons - [HT-SAAE HT72-18X-555W vs HT-SAAE HT72-18X 560W](https://comparepv.com/compare/ht-saae-ht72-18x-555w-1/ht-saae-ht72-18x-560w) - One difference: module efficiency - [HT-SAAE HT72-18X-555W vs HT-SAAE HT72-18X 555W](https://comparepv.com/compare/ht-saae-ht72-18x-555w-1/ht-saae-ht72-18x-555w) - The same specification on paper - [HT-SAAE HT72-18X-555W vs HT-SAAE HT72-18X 550W](https://comparepv.com/compare/ht-saae-ht72-18x-555w-1/ht-saae-ht72-18x-550w) - One difference: module efficiency - [HT-SAAE HT72-18X-555W vs HT-SAAE HT72-18X-550W](https://comparepv.com/compare/ht-saae-ht72-18x-555w-1/ht-saae-ht72-18x-550w-1) - One difference: module efficiency - [HT-SAAE HT72-18X-555W vs HT-SAAE HT72-18X 545W](https://comparepv.com/compare/ht-saae-ht72-18x-555w-1/ht-saae-ht72-18x-545w) - 3 differences, the largest is module efficiency - [HT-SAAE HT72-18X-555W vs HT-SAAE HT72-18X-545W](https://comparepv.com/compare/ht-saae-ht72-18x-555w-1/ht-saae-ht72-18x-545w-1) - 3 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/ht-saae-ht72-18x-555w-1/ht-saae-ht72-18x-560w-1 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.