Skip to main content
Canadian Solar Brand review

CS3U-395P-AG

395 Wp PERC
ComparePV verdict

Warranty pick, heavy for its output

Rank 12,208 of 14,129
Compare panels Datasheet PDF
Power (Wp)
395
Strong · top 12%
Efficiency (%)
19.90
Typical · median 19.90%
Density (Wp/m²)
199.1
Typical · median 199.0
Temp (%/°C)
-0.360
Typical · median -0.350
Weight (kg)
26.5
Weak · 5.1 kg above median
Warranty (yrs)
30
Strong · top 13%

The Canadian Solar KuDymond CS3U-P-AG series consists of poly-crystalline photovoltaic modules engineered for maximum reliability under demanding operating conditions. The panels use MBB/5BB (multi-busbar) technology, which reduces current loss at cell interconnections and improves energy harvest even under partial shading of the array. Thanks to its optimized design, the module delivers a low hot spot temperature, meaningfully extending cell lifespan and minimizing the risk of degradation caused by overheating. The build is resistant to micro-cracks, making it a solid choice for installers working in regions with variable transport and mounting conditions. The KuDymond series also stands out for its high mechanical durability - snow load capacity up to 8100 Pa and wind load up to 4000 Pa mean the panels perform well on both pitched roofs and ground-mount installations exposed to harsh weather. A low power temperature coefficient translates into more stable energy output on hot days. The manufacturer backs the modules with a 30-year linear power warranty and an extended product warranty, giving investors confidence in the long-term profitability of their investment. This is a solution built for installers and investors seeking proven, cost-effective PV technology with a well-documented track record of durability.

Ranking

579 panels in the segment PERC 350-400 W
Metric This panel Median Position in segment Overall rank
Module efficiency 19.90% 19.90% Typical 12,416
Power density 199.1 199.0 Typical 12,411
Temperature coefficient -0.360 -0.350 Typical 12,425
Weight per kWp 67.1 55.8 Weak · bottom 10% 13,325
Performance warranty 30 yrs 25 yrs Strong · top 13% 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

6 positive · 4 caution
Best for

Residential, commercial and cold-climate.

Not ideal for

Weight-limited structures.

Strengths
30 year performance warranty

Top 13% of the PERC 350-400 W segment, against a median of 25 yrs.

Watch-outs
67.1 kg per kWp

Bottom 10% of the PERC 350-400 W segment, against a median of 55.8. Ranked 13,325th in the whole database.

What owners get
MBB/5BB busbar technology

Multi-busbar (5BB) design reduces resistive losses at cell interconnections and improves current collection under partial shading, translating into a real-world yield gain compared to older 3BB/4BB modules of the same generation.

High mechanical load resistance

Certified snow load up to 8100 Pa and wind load up to 4000 Pa (per Canadian Solar's official datasheet) make this series suitable for harsh weather conditions, on both sloped roofs and ground-mount installations.

30-year linear power warranty

The manufacturer guarantees 30 years of linear power degradation with a 12-year product warranty - a spec on par with current flagship tier-1 series, despite this line dating back to 2018.

Established tier-1 manufacturer

Canadian Solar is a bankable Tier-1 manufacturer operating since 2001, giving investors confidence in warranty solvency even for older, discontinued product lines.

Low hot-spot temperature

The optimized cell design limits hot-spot risk and thermal degradation, extending the real-world lifespan of modules operated in hot climates.

Trade-offs
Production discontinued

The KuDymond CS3U-P-AG series was manufactured from 2018 to 2021 and has since been discontinued, meaning limited availability of replacement parts and constrained warranty servicing going forward.

Efficiency below current Tier-1 standard

Maximum efficiency of 19.9% clearly trails modern heterojunction modules - e.g., Meyer Burger Black reaches 21.5% at the same 395 Wp power class - as older polycrystalline technology limits yield per unit area.

No bifacial technology

This is a monofacial module, while several current peer comparables in this power segment offer bifacial variants that add an extra 5-15% energy yield depending on ground albedo.

Notes from the database
  • At 19.9% efficiency, this panel is on par with typical PERC 0-400W modules
  • 199.1 W/m² power density - 4.9 W/m² more than PERC 0-400W median (194.2 W/m²), more power per roof area
  • At -0.36%/°C, hot weather performance is typical for PERC 0-400W panels
  • Weight of 26.5 kg is 6.0 kg above PERC 0-400W median (20.5 kg) - verify structural support
  • Ranked #12416 out of 14129 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 395 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 19.90 % Typical Segment median 19.90%
Vmpp · Impp 41.00 V · 9.64 A Operating point at max power
Voc · Isc 48.80 V · 10.24 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2000×992×35 mm · 1.98 m² of roof
Weight 26.5 kg Weak Weak · 5.1 kg above median
Cells 144 · PERC Polycrystalline
Coefficient Pmax -0.360 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.280 · 0.050 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 30 years Strong top 13% · median 25 yrs

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
-

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

Heat losses
-0.360 %/°C against a segment median of -0.350
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Canadian Solar CS3U-395P-AG 395 W 19.90% -0.360 26.5 kg You are here
GS10-B120-GF-445 445 W 20.56% -0.320 24.0 kg +50 W, cooler, -5 yr warranty
GS10-B120-GF-440 440 W 20.33% -0.320 24.0 kg +45 W, cooler, -5 yr warranty
LNSU-410M 410 W 20.31% -0.360 24.5 kg Lighter, +0.4 pp, -5 yr warranty
GS10-B120-GF-435 435 W 20.10% -0.320 24.0 kg +40 W, cooler, -5 yr warranty
LNSU-405M 405 W 20.06% -0.360 24.5 kg +10 W, lighter, -5 yr warranty
LNSU-400M 400 W 19.81% -0.360 24.5 kg Lighter, -5 yr warranty
LNSF-400M 400 W 19.76% -0.360 23.5 kg Lighter, -5 yr warranty
CS3W-440PB-AG 440 W 19.70% -0.360 28.4 kg +45 W, heavier
CS3U-355P 355 W 17.90% -0.360 22.5 kg -40 W, -2.0 pp, -5 yr warranty
CS3U-360P 360 W 18.20% -0.360 22.5 kg Lighter, -1.7 pp, -5 yr warranty
CS3U-365P 365 W 18.40% -0.360 22.5 kg Lighter, -1.5 pp, -5 yr warranty
CS3U-370P 370 W 18.70% -0.360 22.5 kg Lighter, -1.2 pp, -5 yr warranty
CS3U-375P 375 W 18.90% -0.360 22.5 kg Lighter, -1.0 pp, -5 yr warranty
SPR-MAX7-475 475 W 24.00% -0.270 21.1 kg Cooler, +4.1 pp, +10 yr warranty
SPR-MAX7-470 470 W 23.70% -0.270 21.1 kg Cooler, +3.8 pp, +10 yr warranty
SPR-MAX7-465 465 W 23.50% -0.270 21.1 kg Cooler, +3.6 pp, +10 yr warranty

Found 130 panels of the same or similar size to this one, within ±10 mm. See them here Found 271 panels of the same or similar size to this one, within ±25 mm. See them here Found 470 panels of the same or similar size to this one, within ±50 mm. See them here Found 734 panels of the same or similar size to this one, within ±100 mm. See them here

About the KuDymond CS3U-P-AG series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

Is the Canadian Solar KuDymond CS3U-P-AG series still available for purchase?
No, the KuDymond CS3U-P-AG series has been discontinued by Canadian Solar. These panels can still be found in distributor stock as remaining inventory, but new factory orders are no longer being fulfilled. It's worth asking the seller about the available quantity and manufacturing date, as stock may run out quickly since the manufacturer is now focused on newer module series.
What is the maximum power output of the KuDymond CS3U-P-AG panels and what are they suited for?
Modules in the KuDymond CS3U-P-AG series reach a maximum power output of 395 Wp. That's a solid result for polycrystalline panels, making them suitable for residential rooftop installations on sloped roofs as well as larger ground-mounted or commercial projects where price-to-performance ratio matters.
What is the warranty on Canadian Solar KuDymond CS3U-P-AG panels?
The manufacturer provides a 12-year product warranty and a 30-year linear power warranty. This means the module maintains a guaranteed, gradually declining energy output level over three decades. Even though the series has been discontinued, Canadian Solar's warranty obligations as a tier 1 manufacturer remain valid for panels already purchased.
What is MBB/5BB technology in KuDymond panels and how does it affect performance?
Multi-busbar (MBB/5BB) technology increases the number of thin current-carrying paths across the cell surface. This reduces resistive losses and improves current collection, especially under partial shading from chimneys or antennas. In practice, this results in higher and more stable energy production throughout the day compared to older designs with fewer busbars.
Can KuDymond CS3U-P-AG panels withstand heavy snow and wind loads?
Yes, the module construction withstands snow loads up to 8100 Pa and wind loads up to 4000 Pa, which is above average for polycrystalline panels. This makes them suitable both for sloped roofs in regions with heavy snowfall and for open ground-mounted installations exposed to strong winds.
Is it worth buying KuDymond CS3U-P-AG panels even though they're discontinued?
Yes, provided the price is attractive and the available batch comes from a reliable source. Canadian Solar is a tier 1 manufacturer based in Canada, and the MBB technology along with the robust mechanical construction ensure proven durability. Discontinuation does not affect the validity of the 30-year power warranty, so this can be a good opportunity for investors seeking cost-effective PV technology.
Add to compare