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Heckert Solar ZEUS 3.0 108 480W FULL BLACK
Heckert Solar Brand review

ZEUS 3.0 108 480W FULL BLACK

480 Wp Back Contact Bifacial 80%
ComparePV verdict

Middle of its segment, heavy for its output

Rank 2,993 of 14,005
Compare panels Datasheet PDF
Power (Wp)
480
Typical for its class
Efficiency (%)
23.50
Typical · median 23.50%
Density (Wp/m²)
235.2
Typical · median 235.2
Temp (%/°C)
-0.260
Typical · median -0.260
Weight (kg)
25.0
Weak · 1.5 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The ZEUS 3.0 FullBlack series is Heckert Solar's answer to the demand for aesthetically refined, high-performance photovoltaic installations on residential roofs and demanding commercial buildings. The modules rely on back-contact cell technology, in which all electrical connections are moved to the rear side of the cell - as a result, the front surface shows no visible busbars and the entire area works as active cell surface. This results in a uniformly black, minimalist surface without gaps or stripes, making the ZEUS 3.0 an ideal choice wherever rooftop aesthetics matter as much as energy performance. The back-contact design also mitigates typical shading issues - the module maintains higher current output even under partial shading and shows lower susceptibility to hot spots thanks to more uniform current flow. The panels are built on a bifacial glass-glass structure, which translates into greater mechanical durability and a longer service life. In addition, a high hail resistance class and robust load-bearing parameters make the series suitable for demanding climate conditions. The manufacturer backs the modules with a 30-year warranty covering both product and performance, giving investors long-term peace of mind. This is a solution for customers seeking a combination of modern design, high power density on limited roof space, and premium-grade reliability.

Ranking

156 panels in the segment Back Contact 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.50% 23.50% Typical 716
Power density 235.2 235.2 Typical 718
Temperature coefficient -0.260 -0.260 Typical 511
Weight per kWp 52.1 48.0 Weak · bottom 11% 5,516
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 2 caution
Best for

Residential.

Not ideal for

Weight-limited structures.

Watch-outs
52.1 kg per kWp

Bottom 11% of the Back Contact 450-500 W segment, against a median of 48.0.

What owners get
Record-high 23.3-23.5% efficiency

ZEUS 3.0 FullBlack clearly outperforms comparable 480 Wp modules among peer comparables: Sunket (22.24%), Shinson S-Blade (22.24%), and First Solar Series 6 Plus (19%). The 1-4.5 percentage point gap translates into higher energy yield from the same roof area.

Back-contact design with no visible busbars

All electrical connections are moved to the rear of the cell, resulting in a uniformly black front surface with no visible strips or gaps. This is a genuine aesthetic advantage over standard half-cut PERC/TOPCon modules, valuable for residential installations with high visual exposure.

30-year product and power warranty

Heckert Solar backs the series with a 30-year warranty on both product and performance - significantly longer than the typical 12-15 year product and 25-year power warranty offered by most Tier-1 manufacturers, giving investors 5-15 extra years of coverage.

Improved -0.26%/K temperature coefficient

This value is better than the typical -0.34% to -0.38%/K found in PERC modules, meaning lower power losses at high operating temperatures - important for poorly ventilated rooftops and warmer climates.

Maximum Hail Class 5 rating

The module achieves the highest hail resistance class, combined with the bifacial glass-glass construction this delivers greater mechanical durability than standard glass-backsheet modules, making the series suitable for locations with high risk of extreme weather events.

Trade-offs
Limited operational track record

The series launched in 2025, so despite the 30-year warranty there is not yet multi-year field performance data for this specific generation of back-contact technology - unlike mature, widely field-tested PERC/TOPCon modules that have been on the market for years.

Notes from the database
  • Efficiency of 23.5% matches the Back Contact 450-500W median
  • Power density of 235.2 W/m² matches the Back Contact 450-500W median
  • Temperature coefficient of -0.26%/°C matches the Back Contact 450-500W median
  • Weight of 25.0 kg is 1.5 kg above Back Contact 450-500W median (23.5 kg) - verify structural support
  • Bifaciality factor of 80% can add 4-12% extra yield with reflective mounting surface

Specifications

Open datasheet PDF
Nominal power (Pmax) 480 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.50 % Typical Segment median 23.50%
Vmpp · Impp 33.51 V · 14.33 A Operating point at max power
Voc · Isc 40.53 V · 14.98 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1800×1134×30 mm · 2.04 m² of roof
Weight 25.0 kg Weak Weak · 1.5 kg above median
Cells 108 · Back Contact Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.260 %/°C Typical median -0.260 of its segment
Coefficient Voc · Isc -0.200 · 0.050 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 30 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 85.0 % Equals 408 W guaranteed
Degradation 2.00 → 0.45 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Heckert Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 480 Wp appear here. The rest cover the whole series.

Linear Power Warranty Linear Power Warranty Whole series Current-Voltage Characteristic Curves Current-Voltage Characteristic Curves Whole series

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-
With bifacial gain
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.260 %/°C against a segment median of -0.260
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Heckert Solar ZEUS 3.0 108 480W FULL BLACK 480 W 23.50% -0.260 25.0 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +30 W, cooler, +1.5 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +15 W, lighter, +1.3 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +25 W, cooler, +1.2 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +10 W, lighter, +1.0 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +20 W, cooler, +1.0 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +20 W, lighter, +1.0 pp
ZEUS 3.0 108 475W FULL BLACK 475 W 23.30% -0.260 25.0 kg Very close match
ZEUS 3.0+ 108 490WP 490 W 24.00% -0.260 24.8 kg +10 W, +0.5 pp

Found 197 panels of the same or similar size to this one, within ±10 mm. See them here Found 201 panels of the same or similar size to this one, within ±25 mm. See them here Found 1712 panels of the same or similar size to this one, within ±50 mm. See them here Found 4014 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What is back-contact cell technology in the ZEUS 3.0 FullBlack panels and how does it differ from standard modules?
In back-contact technology, all electrical connections of the cell are moved to its rear side, so no busbars or soldering ribbons are visible on the front. The entire cell surface functions as active area, boosting output per roof area while giving the module a uniformly black, seamless appearance without the grid pattern typical of conventional modules.
Are ZEUS 3.0 FullBlack panels a good fit for a residential roof where aesthetics matter?
Yes, this is the series' primary use case. Thanks to the back-contact design, the module has a uniformly black surface with no visible busbars, contrasting frames, or gaps between cells. At 1800 x 1134 x 30 mm and up to 480 Wp, it delivers high power density even on limited pitched-roof area while keeping a consistent, minimalist look.
How does the glass-glass bifacial construction affect the durability and energy yield of ZEUS 3.0?
The glass-glass structure replaces the standard backsheet with a second glass layer, increasing mechanical rigidity and resistance to moisture and UV degradation, extending the module's real-world lifespan. Bifaciality also lets the panel capture light reflected off the ground onto its rear side, which can boost total energy yield by several percent on bright, reflective roofing surfaces.
Do ZEUS 3.0 FullBlack panels lose performance under partial shading, e.g. from a chimney or antenna?
Thanks to the even, distributed current flow of the back-contact structure, the panel handles partial shading better than conventional modules with front-side busbars. This lowers the risk of hot spots and helps maintain higher output current even when part of the surface is shaded, which matters for roofs with chimneys, dormers, or antennas.
What warranty does Heckert Solar offer on the ZEUS 3.0 FullBlack series and what does it cover?
Heckert Solar, a German manufacturer, backs the ZEUS 3.0 FullBlack series with a 30-year product warranty and a 30-year performance warranty. This provides long-term protection against material and workmanship defects as well as a guaranteed power output level throughout the system's operating life, giving investors strong confidence in their return on investment.
Are ZEUS 3.0 FullBlack panels resistant to hail and harsh weather conditions?
Yes, the modules carry a high hail resistance rating (hail class 5) along with robust mechanical strength derived from the glass-glass construction, making them suitable for demanding climates, including heavy hail, snow loads, and wind. This is an added reason to choose this series for roofs in regions with variable, harsh weather.
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