--- title: "Canadian Solar CS3U-395P-AG Solar Panel: Specs & Datasheet | ComparePV" description: "Canadian Solar CS3U-395P-AG solar panel. Specs: 19.90% efficiency, Polycrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/canadian-solar-cs3u-395p-ag" image: "https://comparepv.com/og/panel/canadian-solar-cs3u-395p-ag.png" updated: 2026-09-11 --- # Canadian Solar CS3U-395P-AG Warranty pick, heavy for its output 579 panels in the segment PERC 350-400 W ## Identity - **Manufacturer:** Canadian Solar - **Model:** CS3U-395P-AG - **Series:** KuDymond CS3U-P-AG - **Rated power:** 395 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 350-400 W (579 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 395 W | 380 W | Strong - top 12% | | | 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 (kg) | 26.5 kg | 21.4 kg | Weak - bottom 10% | | | Performance warranty | 30 yrs | 25 yrs | Strong - top 13% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | 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 | ### Strengths - **30 year performance warranty** - Top 13% of the PERC 350-400 W segment, against a median of 25 yrs. ### Watch out for - **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. - **Best for:** Residential, commercial and cold-climate. - **Not ideal for:** Weight-limited structures. ## Specification ### Electrical - **Rated power (Pmax):** 395 W - **Efficiency:** 19.90 % - **Voltage at Pmax (Vmp):** 41.00 V - **Current at Pmax (Imp):** 9.64 A - **Open-circuit voltage (Voc):** 48.80 V - **Short-circuit current (Isc):** 10.24 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.360 %/degC - **Temperature coefficient of Voc:** -0.280 %/degC - **Temperature coefficient of Isc:** 0.050 %/degC - **NOCT:** 42 degC ### Cell and construction - **Cell type:** Polycrystalline - **Cell technology:** PERC - **Cell count:** 144 ### Physical - **Length:** 2000 mm - **Width:** 992 mm - **Thickness:** 35 mm - **Weight:** 26.5 kg - **Area:** 1.98 m2 - **Power density:** 199.1 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 30 years ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 12416 of 14129 | | Power density | 12411 of 14129 | | Temperature coefficient | 12425 of 14129 | | Weight | 13325 of 14129 | | Warranty | 21 of 14129 | ## Pros - **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. ## Cons - **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. ## About this series 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. ## Notable figures - 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 ## Questions ### 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. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/Canadian_Solar-Datasheet-KuDymond_CS3U-P-AG_High-Efficiency_EN-299fbbf08c7d.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Goldi Solar GS10-B120-GF-445](https://comparepv.com/panel/goldi-solar-gs10-b120-gf-445) | 445 W | +50 W, cooler, -5 yr warranty | | [Goldi Solar GS10-B120-GF-440](https://comparepv.com/panel/goldi-solar-gs10-b120-gf-440) | 440 W | +45 W, cooler, -5 yr warranty | | [SunLink LNSU-410M](https://comparepv.com/panel/sunlink-lnsu-410m) | 410 W | Lighter, +0.4 pp, -5 yr warranty | | [Goldi Solar GS10-B120-GF-435](https://comparepv.com/panel/goldi-solar-gs10-b120-gf-435) | 435 W | +40 W, cooler, -5 yr warranty | | [SunLink LNSU-405M](https://comparepv.com/panel/sunlink-lnsu-405m) | 405 W | +10 W, lighter, -5 yr warranty | | [SunLink LNSU-400M](https://comparepv.com/panel/sunlink-lnsu-400m) | 400 W | Lighter, -5 yr warranty | | [Sunlike Solar LNSF-400M](https://comparepv.com/panel/sunlike-solar-lnsf-400m) | 400 W | Lighter, -5 yr warranty | | [Canadian Solar CS3W-440PB-AG](https://comparepv.com/panel/canadian-solar-cs3w-440pb-ag) | 440 W | +45 W, heavier | | [Canadian Solar CS3U-355P](https://comparepv.com/panel/canadian-solar-cs3u-355p) | 355 W | -40 W, -2.0 pp, -5 yr warranty | | [Canadian Solar CS3U-360P](https://comparepv.com/panel/canadian-solar-cs3u-360p) | 360 W | Lighter, -1.7 pp, -5 yr warranty | | [Canadian Solar CS3U-365P](https://comparepv.com/panel/canadian-solar-cs3u-365p) | 365 W | Lighter, -1.5 pp, -5 yr warranty | | [Canadian Solar CS3U-370P](https://comparepv.com/panel/canadian-solar-cs3u-370p) | 370 W | Lighter, -1.2 pp, -5 yr warranty | | [Canadian Solar CS3U-375P](https://comparepv.com/panel/canadian-solar-cs3u-375p) | 375 W | Lighter, -1.0 pp, -5 yr warranty | | [Maxeon SPR-MAX7-475](https://comparepv.com/panel/maxeon-spr-max7-475) | 475 W | Cooler, +4.1 pp, +10 yr warranty | | [Maxeon SPR-MAX7-470](https://comparepv.com/panel/maxeon-spr-max7-470) | 470 W | Cooler, +3.8 pp, +10 yr warranty | | [Maxeon SPR-MAX7-465](https://comparepv.com/panel/maxeon-spr-max7-465) | 465 W | Cooler, +3.6 pp, +10 yr warranty | --- Source: https://comparepv.com/panel/canadian-solar-cs3u-395p-ag Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.