---
title: "Heckert Solar ZEUS 2.2 715 vs Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE - Solar Panel Comparison | ComparePV"
description: "Compare Heckert Solar ZEUS 2.2 715 vs Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE side by side: what actually differs, output when it is hot, thirty-year production, and the full specification."
source: "https://comparepv.com/compare/heckert-solar-zeus-2-2-715/heckert-solar-zeus-3-0-108-485wp-performance"
updated: 2026-09-11
---

# Heckert Solar ZEUS 2.2 715 vs Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE

3.0+ 108 485WP PERFORMANCE leads on the differences that matter

The largest is module efficiency: 1.30 pp more efficient. 4 of 19 comparable parameters are identical.


## The two panels


| Attribute | A | B |
| --- | --- | --- |
| Panel | [Heckert Solar ZEUS 2.2 715](https://comparepv.com/panel/heckert-solar-zeus-2-2-715) | [Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-485wp-performance) |
| Manufacturer | Heckert Solar | Heckert Solar |
| Power | 715 Wp | 485 Wp |
| Efficiency | 23.00 % | 24.30 % |
| Technology | TOPCon | Back Contact |


## Where they differ

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


| Parameter | 2.2 715 | 3.0+ 108 485WP PERFORMANCE | Difference |
| --- | --- | --- | --- |
| Module efficiency | 23.00 % | 24.30 % | +1.30 pp for 3.0+ 108 485WP PERFORMANCE |
| Rated power | 715 Wp | 485 Wp | +230 W for 2.2 715 |
| Power density | 230.2 Wp/m² | 242.7 Wp/m² | +12.6 Wp/m² for 3.0+ 108 485WP PERFORMANCE |
| Weight | 37.9 kg | 24.2 kg | -13.7 kg for 3.0+ 108 485WP PERFORMANCE |
| Product warranty | 12 yrs | 30 yrs | +18 yrs for 3.0+ 108 485WP PERFORMANCE |
| Temperature coefficient | -0.280 %/°C | -0.260 %/°C | +0.020 %/°C for 3.0+ 108 485WP PERFORMANCE |
| Open-circuit voltage | 49.11 V | 41.00 V | 8.11 V apart |
| Short-circuit current | 18.50 A | 14.84 A | 3.66 A apart |
| Module area | 3.106 m² | 1.998 m² | 1.108 m² apart |
| Cell technology | TOPCon | Back Contact | TOPCon vs Back Contact |
| Weight per kWp | 53.0 kg/kWp | 49.9 kg/kWp | -3.1 kg/kWp for 3.0+ 108 485WP PERFORMANCE |
| Voltage at max power | 40.86 V | 34.60 V | 6.26 V apart |
| Current at max power | 17.50 A | 14.02 A | 3.48 A apart |
| Cell count | 132 | 108 | 24 cells apart |
| Dimensions | 2384x1303x33 mm | 1762x1134x30 mm | 2384x1303x33 mm vs 1762x1134x30 mm |


## Every compared parameter


| Parameter | 2.2 715 | 3.0+ 108 485WP PERFORMANCE |
| --- | --- | --- |
| Rated power | 715 Wp | 485 Wp |
| Module efficiency | 23.00 % | 24.30 % |
| Power density | 230.2 Wp/m² | 242.7 Wp/m² |
| Open-circuit voltage | 49.11 V | 41.00 V |
| Voltage at max power | 40.86 V | 34.60 V |
| Short-circuit current | 18.50 A | 14.84 A |
| Current at max power | 17.50 A | 14.02 A |
| Temperature coefficient | -0.280 %/°C | -0.260 %/°C |
| Dimensions | 2384x1303x33 mm | 1762x1134x30 mm |
| Module area | 3.106 m² | 1.998 m² |
| Weight | 37.9 kg | 24.2 kg |
| Weight per kWp | 53.0 kg/kWp | 49.9 kg/kWp |
| Product warranty | 12 yrs | 30 yrs |
| Performance warranty | 30 yrs | 30 yrs |
| Annual degradation | 0.45 %/yr | 0.45 %/yr |
| Cell technology | TOPCon | Back Contact |
| Cell type | Monocrystalline | Monocrystalline |
| Cell count | 132 | 108 |
| Bifacial | Yes | Yes |


## Thirty-year yield

Each panel's own declared degradation curve, at 1,200 kWh/kWp a year

- **Cumulative output, 2.2 715:** 23,546 kWh
- **Cumulative output, 3.0+ 108 485WP PERFORMANCE:** 15,972 kWh
- **Gap:** 7,574 kWh


## Output when hot


| Condition | Cell temperature | 2.2 715 | 3.0+ 108 485WP PERFORMANCE | Retained |
| --- | --- | --- | --- | --- |
| Standard test conditions | 25 °C | 715 W | 485 W | 100.0% of rated power |
| Cool, bright day | 40 °C | 685 W | 466 W | 95.8% of rated power |
| Typical summer roof | 55 °C | 655 W | 447 W | 91.6% of rated power |
| Hot roof | 70 °C | 625 W | 428 W | 87.4% of rated power |


## Against the whole database


| Measure | 2.2 715 | 3.0+ 108 485WP PERFORMANCE | Out of | Note |
| --- | --- | --- | --- | --- |
| Efficiency | #1,919 | #131 | 14,005 | 3.0+ 108 485WP PERFORMANCE leads by 1,788 places |
| Power density | #2,018 | #140 | 14,005 | 3.0+ 108 485WP PERFORMANCE leads by 1,878 places |
| Heat behaviour | #1,309 | #511 | 14,005 | 3.0+ 108 485WP PERFORMANCE leads by 798 places |
| Weight | #6,744 | #3,275 | 14,005 | 3.0+ 108 485WP PERFORMANCE leads by 3,469 places |
| Warranty | #21 | #21 | 14,005 | Tied - the same position in the database |
| Overall | #678 | #2,068 | 14,005 | 2.2 715 leads by 1,390 places |


## Questions


### Which panel is better: Heckert Solar ZEUS 2.2 715 or Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE?

According to our database: **Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE** has higher module efficiency (**24.30%** vs **23.00%**); **Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE** tolerates heat better (temp coeff **-0.260%/°C** vs **-0.280%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture.


### What is the efficiency of Heckert Solar ZEUS 2.2 715 and Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE?

**Heckert Solar ZEUS 2.2 715** has a module efficiency of **23.00%**, while **Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE** is **24.30%**. Higher efficiency means more electricity from the same roof area - useful when space is limited.


### What cell technology does Heckert Solar ZEUS 2.2 715 use vs Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE?

**Heckert Solar ZEUS 2.2 715** uses **TOPCon** cells; **Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE** uses **Back Contact**. 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 Heckert Solar ZEUS 2.2 715 and Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE?

**Heckert Solar ZEUS 2.2 715** has a **30 years** power warranty; **Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE** 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 Heckert Solar ZEUS 2.2 715 and Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE bifacial panels?

Both **Heckert Solar ZEUS 2.2 715** and **Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE** 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

- [Heckert Solar ZEUS 2.2 715 vs Heckert Solar ZEUS 2.2-715](https://comparepv.com/compare/heckert-solar-zeus-2-2-715/heckert-solar-zeus-2-2-715-1) - The same specification on paper
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Source: https://comparepv.com/compare/heckert-solar-zeus-2-2-715/heckert-solar-zeus-3-0-108-485wp-performance

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.