---
title: "HT-SAAE HT66-210(ND)-F 715W vs HT-SAAE HT72-18X 560W - Solar Panel Comparison | ComparePV"
description: "Compare HT-SAAE HT66-210(ND)-F 715W 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-ht66-210-nd-f-715w/ht-saae-ht72-18x-560w"
image: "https://comparepv.com/og/compare/panels/ht-saae-ht66-210-nd-f-715w/ht-saae-ht72-18x-560w.png"
updated: 2026-09-11
---

# HT-SAAE HT66-210(ND)-F 715W vs HT-SAAE HT72-18X 560W

HT66-210(ND)-F 715W leads on the differences that matter

The largest is module efficiency: 1.30 pp more efficient. 2 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.


## The two panels


| Attribute | A | B |
| --- | --- | --- |
| Panel | [HT-SAAE HT66-210(ND)-F 715W](https://comparepv.com/panel/ht-saae-ht66-210-nd-f-715w) | [HT-SAAE HT72-18X 560W](https://comparepv.com/panel/ht-saae-ht72-18x-560w) |
| Manufacturer | HT-SAAE | HT-SAAE |
| Power | 715 Wp | 560 Wp |
| Efficiency | 23.00 % | 21.70 % |
| Technology | TOPCon | PERC |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | HT66-210(ND)-F 715W | HT72-18X 560W | Difference |
| --- | --- | --- | --- |
| Module efficiency | 23.00 % | 21.70 % | +1.30 pp for HT66-210(ND)-F 715W |
| Rated power | 715 Wp | 560 Wp | +155 W for HT66-210(ND)-F 715W |
| Power density | 230.2 Wp/m² | 216.7 Wp/m² | +13.5 Wp/m² for HT66-210(ND)-F 715W |
| Performance warranty | 30 yrs | 25 yrs | +5 yrs for HT66-210(ND)-F 715W |
| Weight | 38.5 kg | 28.5 kg | -10.0 kg for HT72-18X 560W |
| Product warranty | 30 yrs | 25 yrs | +5 yrs for HT66-210(ND)-F 715W |
| Temperature coefficient | -0.310 %/°C | -0.330 %/°C | +0.020 %/°C for HT66-210(ND)-F 715W |
| Short-circuit current | 18.49 A | 14.14 A | 4.35 A apart |
| Module area | 3.106 m² | 2.584 m² | 0.522 m² apart |
| Cell technology | TOPCon | PERC | TOPCon vs PERC |
| Weight per kWp | 53.8 kg/kWp | 50.9 kg/kWp | -3.0 kg/kWp for HT72-18X 560W |
| Current at max power | 17.24 A | 13.27 A | 3.97 A apart |
| Cell count | 132 | 144 | 12 cells apart |
| Open-circuit voltage | 48.40 V | 50.10 V | 1.70 V apart |
| Bifacial | Yes | No | Yes vs No |
| Dimensions | 2384x1303x35 mm | 2279x1134x35 mm | 2384x1303x35 mm vs 2279x1134x35 mm |


## Every compared parameter


| Parameter | HT66-210(ND)-F 715W | HT72-18X 560W |
| --- | --- | --- |
| Rated power | 715 Wp | 560 Wp |
| Module efficiency | 23.00 % | 21.70 % |
| Power density | 230.2 Wp/m² | 216.7 Wp/m² |
| Open-circuit voltage | 48.40 V | 50.10 V |
| Voltage at max power | 41.50 V | 42.25 V |
| Short-circuit current | 18.49 A | 14.14 A |
| Current at max power | 17.24 A | 13.27 A |
| Temperature coefficient | -0.310 %/°C | -0.330 %/°C |
| Dimensions | 2384x1303x35 mm | 2279x1134x35 mm |
| Module area | 3.106 m² | 2.584 m² |
| Weight | 38.5 kg | 28.5 kg |
| Weight per kWp | 53.8 kg/kWp | 50.9 kg/kWp |
| Product warranty | 30 yrs | 25 yrs |
| Performance warranty | 30 yrs | 25 yrs |
| Annual degradation | 0.40 %/yr | - |
| Cell technology | TOPCon | PERC |
| Cell type | Monocrystalline | Monocrystalline |
| Cell count | 132 | 144 |
| Bifacial | Yes | No |


## Thirty-year yield

Declared first-year losses, with 0.40% a year afterwards assumed for both panels, at 1,200 kWh/kWp a year

- **Cumulative output, HT66-210(ND)-F 715W:** 23,990 kWh
- **Cumulative output, HT72-18X 560W:** 18,487 kWh
- **Gap:** 5,503 kWh


## Output when hot


| Condition | Cell temperature | HT66-210(ND)-F 715W | HT72-18X 560W | Retained |
| --- | --- | --- | --- | --- |
| Standard test conditions | 25 °C | 715 W | 560 W | 100.0% of rated power |
| Cool, bright day | 40 °C | 682 W | 532 W | 95.0% of rated power |
| Typical summer roof | 55 °C | 649 W | 505 W | 90.1% of rated power |
| Hot roof | 70 °C | 615 W | 477 W | 85.2% of rated power |


## Against the whole database


| Measure | HT66-210(ND)-F 715W | HT72-18X 560W | Out of | Note |
| --- | --- | --- | --- | --- |
| Efficiency | #1,970 | #7,485 | 14,129 | HT66-210(ND)-F 715W leads by 5,515 places |
| Power density | #2,070 | #7,602 | 14,129 | HT66-210(ND)-F 715W leads by 5,532 places |
| Heat behaviour | #8,069 | #8,613 | 14,129 | HT66-210(ND)-F 715W leads by 544 places |
| Weight | #7,974 | #4,286 | 14,129 | HT72-18X 560W leads by 3,688 places |
| Warranty | #21 | #9,912 | 14,129 | HT66-210(ND)-F 715W leads by 9,891 places |
| Overall | #43 | #4,444 | 14,129 | HT66-210(ND)-F 715W leads by 4,401 places |


## Questions


### Which panel is better: HT-SAAE HT66-210(ND)-F 715W or HT-SAAE HT72-18X 560W?

According to our database: **HT-SAAE HT66-210(ND)-F **715 W**** has higher module efficiency (**23.00%** vs **21.70%**); **HT-SAAE HT66-210(ND)-F **715 W**** tolerates heat better (temp coeff **-0.310%/°C** vs **-0.330%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture.


### What is the efficiency of HT-SAAE HT66-210(ND)-F 715W and HT-SAAE HT72-18X 560W?

**HT-SAAE HT66-210(ND)-F **715 W**** has a module efficiency of **23.00%**, 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 HT66-210(ND)-F 715W use vs HT-SAAE HT72-18X 560W?

**HT-SAAE HT66-210(ND)-F **715 W**** uses **TOPCon** cells; **HT-SAAE HT72-18X **560 W**** uses **PERC**. 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 HT66-210(ND)-F 715W and HT-SAAE HT72-18X 560W?

**HT-SAAE HT66-210(ND)-F **715 W**** has a **30 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.


### Are HT-SAAE HT66-210(ND)-F 715W and HT-SAAE HT72-18X 560W bifacial panels?

**HT-SAAE HT66-210(ND)-F **715 W**** is bifacial (captures light from both faces); **HT-SAAE HT72-18X **560 W**** is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.


## Related comparisons

- [HT-SAAE HT66-210(ND)-F 715W vs HT-SAAE HT66-210(ND)-F 710W](https://comparepv.com/compare/ht-saae-ht66-210-nd-f-715w/ht-saae-ht66-210-nd-f-710w) - The same specification on paper
- [HT-SAAE HT66-210(ND)-F 715W vs HT-SAAE HT66-210(ND)-F 705W](https://comparepv.com/compare/ht-saae-ht66-210-nd-f-715w/ht-saae-ht66-210-nd-f-705w) - 3 differences, the largest is module efficiency
- [HT-SAAE HT66-210(ND)-F 715W vs HT-SAAE HT66-210(ND)-F 700W](https://comparepv.com/compare/ht-saae-ht66-210-nd-f-715w/ht-saae-ht66-210-nd-f-700w) - 3 differences, the largest is module efficiency
- [HT-SAAE HT66-210(ND)-F 715W vs HT-SAAE HT66-210(ND)-F 695W](https://comparepv.com/compare/ht-saae-ht66-210-nd-f-715w/ht-saae-ht66-210-nd-f-695w) - 3 differences, the largest is module efficiency
- [HT-SAAE HT72-18X 560W vs HT-SAAE HT72-18X 555W](https://comparepv.com/compare/ht-saae-ht72-18x-560w/ht-saae-ht72-18x-555w) - One difference: module efficiency
- [HT-SAAE HT72-18X 560W vs HT-SAAE HT72-18X 550W](https://comparepv.com/compare/ht-saae-ht72-18x-560w/ht-saae-ht72-18x-550w) - 3 differences, the largest is module efficiency


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Source: https://comparepv.com/compare/ht-saae-ht66-210-nd-f-715w/ht-saae-ht72-18x-560w

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.