485WP vs 490WP PERFORMANCE 16 of 19 identical Swap Change panels

Heckert Solar ZEUS 3.0+ 108 485WP vs Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE

Q: Which panel is better: Heckert Solar ZEUS 3.0+ 108 485WP or Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE?

According to our database: Heckert Solar ZEUS 3.0+ 108 485WP has higher module efficiency (24.30% vs 24.00%). See the full spec comparison and 30-year energy simulation above for a complete picture.

Q: What is the efficiency of Heckert Solar ZEUS 3.0+ 108 485WP and Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE?

Heckert Solar ZEUS 3.0+ 108 485WP has a module efficiency of 24.30%, while Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE is 24.00%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does Heckert Solar ZEUS 3.0+ 108 485WP use vs Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE?

Heckert Solar ZEUS 3.0+ 108 485WP uses Back Contact cells; Heckert Solar ZEUS 3.0+ 108 490WP 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.

Q: What is the warranty on Heckert Solar ZEUS 3.0+ 108 485WP and Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE?

Heckert Solar ZEUS 3.0+ 108 485WP has a 30 years power warranty; Heckert Solar ZEUS 3.0+ 108 490WP 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.

Q: Are Heckert Solar ZEUS 3.0+ 108 485WP and Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE bifacial panels?

Both Heckert Solar ZEUS 3.0+ 108 485WP and Heckert Solar ZEUS 3.0+ 108 490WP 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.

Heckert Solar

ZEUS 3.0+ 108 485WP

485 Wp 24.30 % Back Contact Bifacial

Open panel page Datasheet PDF

Heckert Solar

ZEUS 3.0+ 108 490WP PERFORMANCE

490 Wp 24.00 % Back Contact Bifacial

Open panel page Datasheet PDF

The verdict

485WP leads on the differences that matter

The largest is module efficiency: 0.30 pp more efficient. 16 of 19 comparable parameters are identical.

See all 3 differences

How alike are they

16 of 19 comparable
parameters are identical

identical differs

What actually differs

3 of 19 parameters

Parameter 485WP 490WP PERFORMANCE Difference

Module efficiency 24.30 % 24.00 % 0.30 pp more efficient

Module area 1.998 m² 2.041 m² 0.043 m² apart

Dimensions 1762x1134x30 mm 1800x1134x30 mm 1762x1134x30 mm vs 1800x1134x30 mm

What it means on a roof

Thirty years of production

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

Cell temperature

Same temp coeff. for both panels (-0.260 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.

485WP

15,972 kWh

490WP PERFORMANCE

16,136 kWh

Lifetime gap

164 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario 485WP 490WP PERFORMANCE

Standard test conditions 25 °C 100.0% of rated power 485 W 490 W

Cool, bright day 40 °C 96.1% of rated power 466 W 471 W

Typical summer roof 55 °C 92.2% of rated power 447 W 452 W

Hot roof 70 °C 88.3% of rated power 428 W 433 W

Full specification

Parameter 485WP 490WP PERFORMANCE Difference

Power and efficiency

Rated power 485 Wp 490 Wp Effectively the same

Module efficiency 24.30 % 24.00 % +0.30 pp for 485WP

Power density 242.7 Wp/m² 240.1 Wp/m² Effectively the same

Open-circuit voltage 41.00 V 41.02 V Effectively the same

Voltage at max power 34.60 V 34.04 V Effectively the same

Short-circuit current 14.84 A 15.10 A Effectively the same

Current at max power 14.02 A 14.40 A Effectively the same

Temperature

Temperature coefficient -0.260 %/°C -0.260 %/°C Same

Mechanical

Dimensions 1762x1134x30 mm 1800x1134x30 mm 1762x1134x30 mm vs 1800x1134x30 mm

Module area 1.998 m² 2.041 m² 0.043 m² apart

Weight 24.2 kg 24.8 kg Effectively the same

Weight per kWp 49.9 kg/kWp 50.6 kg/kWp Effectively the same

Warranty and degradation

Product warranty 30 yrs 30 yrs Same

Performance warranty 30 yrs 30 yrs Same

Annual degradation 0.45 %/yr 0.45 %/yr Same

Technology

Cell technology Back Contact Back Contact Same

Cell type Monocrystalline Monocrystalline Same

Cell count 108 108 Same

Bifacial Yes Yes Same

Against the whole database

14,005 panels

Efficiency

#131 vs #303

485WP leads by 172 places

Power density

#140 vs #313

485WP leads by 173 places

Heat behaviour

#511 vs #511

Tied - the same position in the database

Weight

#3,275 vs #4,047

485WP leads by 772 places

Warranty

#21 vs #21

Tied - the same position in the database

Overall

#2,068 vs #2,176

485WP leads by 108 places

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Written summary

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Questions about this pairing

Which panel is better: Heckert Solar ZEUS 3.0+ 108 485WP or Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE?

According to our database: Heckert Solar ZEUS 3.0+ 108 485WP has higher module efficiency (24.30% vs 24.00%). See the full spec comparison and 30-year energy simulation above for a complete picture.

What is the efficiency of Heckert Solar ZEUS 3.0+ 108 485WP and Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE?

Heckert Solar ZEUS 3.0+ 108 485WP has a module efficiency of 24.30%, while Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE is 24.00%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

What cell technology does Heckert Solar ZEUS 3.0+ 108 485WP use vs Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE?

Heckert Solar ZEUS 3.0+ 108 485WP uses Back Contact cells; Heckert Solar ZEUS 3.0+ 108 490WP 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 3.0+ 108 485WP and Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE?

Heckert Solar ZEUS 3.0+ 108 485WP has a 30 years power warranty; Heckert Solar ZEUS 3.0+ 108 490WP 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 3.0+ 108 485WP and Heckert Solar ZEUS 3.0+ 108 490WP PERFORMANCE bifacial panels?

Both Heckert Solar ZEUS 3.0+ 108 485WP and Heckert Solar ZEUS 3.0+ 108 490WP 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.

Shop prices: See 16 Heckert Solar offers

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate. The thirty-year projection and the temperature scenarios are calculations from those figures, and each states its assumption above.