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Runda Solar Brand review

RS705S9-132GANT

705 Wp TOPCon Bifacial 3000%
ComparePV verdict

Middle of its segment, weak in heat

Rank 747 of 14,005
Compare panels Datasheet PDF
Power (Wp)
705
Weak · bottom 22%
Efficiency (%)
22.70
Weak · bottom 23%
Density (Wp/m²)
227.0
Weak · bottom 21%
Temp (%/°C)
-0.310
Weak · bottom 8%
Weight (kg)
38.0
Weak · bottom 23%
Warranty (yrs)
30
Typical · median 30 yrs

The Aurora Pro series redefines energy efficiency standards through the use of advanced N-type TOPCon silicon cells, which almost completely eliminate the negative phenomena of initial degradation. Thanks to the implementation of innovative SMBB (Super Multi Busbar) technology, these modules are characterized by a shortened electron flow path and lower resistive losses, which significantly increases the overall efficiency of the installation. This solution is primarily dedicated to owners of buildings with complex roof architecture, where maximizing yields from a small mounting area is key. Aurora Pro panels solve the common problem of performance drops on heavily cloudy days, offering excellent low-light characteristics, which in the Polish climate zone guarantees real gains outside the summer peak. They are distinguished from the competition by an exceptionally low temperature coefficient, ensuring that the system operates stably even during extreme heat waves. The robust frame construction and tempered glass provide above-average load resistance to snow and wind, making this series a safe choice for years to come. Aurora Pro is a synonym for reliability for prosumers and businesses that expect state-of-the-art technologies supporting a fast return on investment and minimal operating costs of the entire photovoltaic system.

Ranking

420 panels in the segment TOPCon 700-750 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.70% 23.00% Weak · bottom 23% 3,307
Power density 227.0 230.2 Weak · bottom 21% 3,361
Temperature coefficient -0.310 -0.290 Weak · bottom 8% 8,005
Weight per kWp 53.9 52.9 Weak · bottom 23% 8,027
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 3 caution
Best for

Residential, commercial, utility-scale and hot-climate.

Not ideal for

Hot climates, roofs where every square metre has to count and weight-limited structures.

Watch-outs
-0.310 %/°C temperature coefficient

Bottom 8% of the TOPCon 700-750 W segment, against a median of -0.290. Ranked 8,005th in the whole database.

227.0 watts per square metre

Bottom 21% of the TOPCon 700-750 W segment, against a median of 230.2.

53.9 kg per kWp

Bottom 23% of the TOPCon 700-750 W segment, against a median of 52.9.

Notes from the database
  • At 22.7% efficiency, this panel is on par with typical TOPCon 700-750W modules
  • 226.9 W/m² power density is 3.2 W/m² below TOPCon 700-750W median (230.2 W/m²) - requires larger installation area
  • Temperature coefficient of -0.31%/°C is 0.02pp worse than TOPCon 700-750W median (-0.29%/°C) - higher losses in summer heat
  • Ranked #3307 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 705 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.70 % Weak Segment median 23.00%
Vmpp · Impp 39.52 V · 17.84 A Operating point at max power
Voc · Isc 47.45 V · 18.94 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2384×1303×35 mm · 3.11 m² of roof
Weight 38.0 kg Weak Weak · bottom 23%
Cells 132 · TOPCon Monocrystalline
Bifaciality 3000 % Rear output as a share of front
Coefficient Pmax -0.310 %/°C Weak bottom 8% of its segment
Coefficient Voc · Isc -0.260 · 0.046 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 616 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

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
-0.310 %/°C against a segment median of -0.290
-
Bifacial gain
Rear gain over light concrete: -
-

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

Alternatives

All Runda Solar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Runda Solar RS705S9-132GANT 705 W 22.70% -0.310 38.0 kg You are here
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg Cooler, lighter, +2.5 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg Cooler, lighter, +2.3 pp
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg Cooler, lighter, +2.3 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg Cooler, lighter, +2.2 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg Cooler, lighter, +2.1 pp
LR7-72HVHF-670M 670 W 24.80% -0.260 28.5 kg Cooler, lighter, +2.1 pp
JKM650-670N-66QL6-BDV (670W class) 670 W 24.80% -0.260 32.5 kg Cooler, lighter, +2.1 pp
RS710S9-132GANT 710 W 22.86% -0.310 38.0 kg Very close match
RS715S9-132GANT 715 W 23.02% -0.310 38.0 kg +10 W, +0.3 pp
RS720S9-132GANT 720 W 23.18% -0.310 38.0 kg +15 W, +0.5 pp
RS725S9-132GANT 725 W 23.34% -0.310 38.0 kg +20 W, +0.6 pp
RS730S9-132GANT 730 W 23.50% -0.310 38.0 kg +25 W, +0.8 pp
AIKO-A805-GRH78Dw 805 W 25.10% -0.260 39.8 kg +100 W, cooler, +2.4 pp
AIKO-A800-GRH78Dw 800 W 24.90% -0.260 39.8 kg +95 W, cooler, +2.2 pp
AIKO-A795-GRH78Dw 795 W 24.80% -0.260 39.8 kg +90 W, cooler, +2.1 pp
AIKO-A790-GRH78Dw 790 W 24.60% -0.260 39.8 kg +85 W, cooler, +1.9 pp

Found 1390 panels of the same or similar size to this one, within ±10 mm. See them here Found 1400 panels of the same or similar size to this one, within ±25 mm. See them here Found 1400 panels of the same or similar size to this one, within ±50 mm. See them here Found 1432 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What warranty does the Runda Solar Aurora Pro come with?
The Aurora Pro series carries a 15-year product warranty covering material and manufacturing defects, along with a 30-year linear power warranty. After 30 years of operation, the modules are guaranteed to retain at least 87.4% of their rated output. This extended warranty is made possible by N-type TOPCon cell technology, which virtually eliminates LID (light-induced degradation) and ensures stable long-term performance.
Do the Aurora Pro 730 W panels perform well on overcast days typical of Central European climates?
Yes, the Aurora Pro was engineered for the variable irradiance common in Central Europe. N-type TOPCon cells deliver excellent low-light performance, generating power even under diffuse radiation. In real-world conditions this translates into higher annual energy yields compared to standard PERC modules, particularly during spring and fall when overcast skies dominate.
What is SMBB technology and why does it matter for the Aurora Pro?
SMBB — Super Multi Busbar — replaces a few wide busbars with many ultra-thin ones, shortening the electron path to the contact and cutting resistive losses. It also distributes mechanical stress more evenly across the cell surface. For Aurora Pro owners this means a higher module efficiency rating and better resistance to microcracks during shipping and long-term thermal cycling.
Are the Aurora Pro panels bifacial, and what practical gains can I expect?
Yes, the Aurora Pro is a bifacial module, meaning both the front and rear surfaces generate power. The rear side harvests albedo radiation reflected from rooftops, ground, or snow, adding 5–15% extra yield compared to a monofacial equivalent. The gain is most pronounced on light-colored surfaces or elevated ground-mount systems, and can even benefit from snow reflection during winter months.
How does the Aurora Pro 730 W handle high temperatures — does heat significantly cut its output?
The Aurora Pro has an exceptionally low power temperature coefficient (Pmax) of approximately -0.30%/°C, a hallmark of N-type TOPCon technology. At a module surface temperature of 45°C, losses are noticeably smaller than with typical PERC panels rated at around -0.35%/°C. During summer heat waves this difference compounds into meaningfully higher daily yields.
Are Runda Solar Aurora Pro panels suitable for complex rooftops with multiple pitches?
Absolutely — the Aurora Pro was designed with architecturally complex roofs in mind. At 730 Wp per module, you need fewer panels to reach your target system size, which matters when roof space is fragmented by dormers, chimneys, or HVAC equipment. The reinforced aluminum frame and tempered glass provide above-average snow and wind load resistance, while the superior low-light response limits losses when individual roof sections fall into partial shade.
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