--- title: "HT-SAAE HT40-18X(ND)-F-330W 330W Solar Panel - Specs & Review | ComparePV" description: "HT-SAAE HT40-18X(ND)-F-330W 330W solar panel. Specs: 12.80% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/ht-saae-ht40-18x-nd-f-330w" updated: 2026-09-11 --- # HT-SAAE HT40-18X(ND)-F-330W Middle of its segment, modest efficiency 39 panels in the segment TOPCon 300-350 W ## Identity - **Manufacturer:** HT-SAAE - **Model:** HT40-18X(ND)-F-330W - **Series:** HT40-18X(ND)-F - **Rated power:** 330 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 300-350 W (39 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 330 W | 320 W | Strong - top 21% | | | Module efficiency | 12.80% | 15.01% | Weak - bottom 22% | 13,975 | | Power density | 127.7 | 150.1 | Weak - bottom 22% | 13,961 | | Temperature coefficient | -0.310 | -0.300 | Typical | 8,005 | | Weight (kg) | 32.5 kg | 27.0 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 12.80% | 15.01% | Weak - bottom 22% | 13,975 | | Power density | 127.7 | 150.1 | Weak - bottom 22% | 13,961 | | Temperature coefficient | -0.310 | -0.300 | Typical | 8,005 | | Weight per kWp | 98.5 | 82.1 | Typical | 13,907 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Watch out for - **12.80% module efficiency** - Bottom 22% of the TOPCon 300-350 W segment, against a median of 15.01%. - **127.7 watts per square metre** - Bottom 22% of the TOPCon 300-350 W segment, against a median of 150.1. - **Best for:** Residential, commercial and shaded-installations. - **Not ideal for:** Tight roof space and roofs where every square metre has to count. ## Specification ### Electrical - **Rated power (Pmax):** 330 W - **Efficiency:** 12.80 % - **Voltage at Pmax (Vmp):** 23.80 V - **Current at Pmax (Imp):** 13.88 A - **Open-circuit voltage (Voc):** 28.40 V - **Short-circuit current (Isc):** 14.68 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.310 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.046 %/degC - **NOCT:** 43 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 80 - **Bifacial:** yes - **Bifacial gain:** 13.50 ### Physical - **Length:** 2278 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 32.5 kg - **Area:** 2.58 m2 - **Power density:** 127.7 Wp/m2 ### Warranty and degradation - **Product warranty:** 30 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.40 % - **Output after 30 years:** 288 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 13975 of 14005 | | Power density | 13961 of 14005 | | Temperature coefficient | 8005 of 14005 | | Weight | 13907 of 14005 | | Warranty | 21 of 14005 | ## Pros - **N-type TOPCon Cells with Bifacial Energy Yield** - N-type TOPCon technology eliminates Light Induced Degradation (LID) that is characteristic of older P-type PERC cells. The bifacial design captures additional energy from the rear side of the module — up to 20–30% extra yield under favorable albedo conditions according to manufacturer data — meaningfully increasing annual system output without adding more panels. - **30-Year Product and Power Output Warranty** - HT-SAAE provides a full 30-year warranty covering both product integrity and power output for this series, whereas peer comparables in the segment — JA Solar Monocrystalline80 and Jinko Solar 72 Series — standardly offer a 25-year power warranty. The extended warranty horizon reduces investment risk when calculating LCOE (levelized cost of energy) for commercial and prosumer installations. - **Frameless Double-Glass Module** - The frameless double-glass construction eliminates the typical aluminum frame corrosion points and mitigates the risk of PID (Potential Induced Degradation) by fully encapsulating the cells between two glass panes. In practice, this translates to a lower degradation rate in humid climates and in ballasted rooftop mounting systems on flat roofs. - **BNEF Tier 1 Manufacturer with Over 25 Years in the Industry** - HT-SAAE is listed on the BNEF Tier 1 module manufacturers list (confirmed quarterly through H1 2026), establishing project bankability — a prerequisite required by financing institutions for commercial and utility-scale installations. The company has been operating since 1998 (27 years), significantly reducing the risk of warranty service discontinuation over the 30-year warranty horizon. - **Half-Cut Cell Technology — Enhanced Shade Tolerance** - Splitting cells in half reduces operating current by 50%, which lowers resistive losses (I²R) and improves module performance under partial shading. For rooftops with chimneys, dormers, or east–west orientations, this delivers a measurable increase in energy production during morning and afternoon hours compared to conventional full-cell modules. ## Cons - **Module Efficiency of 12–12.8% — Well Below Segment Benchmarks** - The HT40-18X(ND)-F module efficiency of 12–12.8% is significantly lower than all listed peer comparables: JA Solar Monocrystalline80 reaches 23.15%, Waaree ARKA Series 19.81%, and even the Jinko Solar 72 Series Polycrystalline achieves 17%. This stems from the module's large physical footprint (~2285×1134 mm, approximately 2.59 m²) combined with a relatively low power rating of 310–330 Wp and a low active cell coverage ratio (~51%). In practical terms, achieving 1 kWp of installed capacity requires approximately 1.85× more roof area than equivalent-peak-power JA Solar panels. ## About this series The HT-SAAE HT40-18X(ND)-F series was designed to maximize energy yield where long-term, reliable performance over years matters just as much as a good result in laboratory conditions. The use of ****N-type cells in TOPCon technology**** translates to lower light-induced losses and better predictability of production throughout the entire system's lifetime. Furthermore, ****the double glass construction**** improves resistance to moisture, micro-cracking, and accelerated aging, genuinely reducing the risk of power degradation in harsh climates. Another advantage of this series is ****half-cut technology****, which minimizes resistive losses and increases tolerance to partial shading - crucial for installations with chimneys, roof penetrations, or during east-west mounting. In practice, this means higher yield in low light conditions and a more consistent production profile throughout the day. This is an excellent choice for both residential and commercial installations, where ****lower energy costs over time**** and high reliability are prioritized over compromises typical for P-type panels. ## Notable figures - Efficiency of 12.8% is 3.2pp below the \*\*TOPCon 0-400W\*\* median (16.0%) - At 127.8 W/m², this panel generates 32.1 W/m² less per unit area than \*\*TOPCon 0-400W\*\* median (159.8 W/m²) - Temperature coefficient of -0.31%/°C is 0.02pp worse than \*\*TOPCon 0-400W\*\* median (-0.29%/°C) - higher losses in summer heat - At 32.5 kg, this panel is 9.0 kg heavier than the \*\*TOPCon 0-400W\*\* median (23.5 kg) - more demanding for installation crews - Bifacial design (74% factor) captures reflected light - adds 4-11% yield on ground-mount or white roof ## Questions ### What is TOPCon technology in the HT-SAAE HT40-18X(ND)-F panels and is it worth the premium? TOPCon is an N-type cell technology that minimizes light-induced degradation (LID) and delivers higher efficiency than conventional PERC cells. In practice, the HT40-18X(ND)-F produces more energy year-round, especially under diffuse light conditions, and degrades more slowly over time. With a 30-year power warranty, the lower LCOE over the system's lifetime makes the technology premium worthwhile for most installations. ### Is the HT-SAAE HT40-18X(ND)-F a bifacial panel and how much additional output can the rear side generate? Yes, the HT40-18X(ND)-F is a bifacial module, meaning the rear side also harvests reflected irradiance. Additional yield depends on the albedo of the surface below: white gravel or a light-colored membrane can boost output by 10-25%. The bifacial gain is most significant in ground-mount systems and flat-roof installations with reflective waterproofing. ### What warranty does the HT-SAAE HT40-18X(ND)-F come with and what does it cover? The HT40-18X(ND)-F carries a 30-year product warranty and a 30-year power warranty. The power warranty guarantees that the module will retain at least the warranted percentage of its rated 330 Wp output at end of term. This 30/30 warranty is among the most comprehensive in the market and reflects the manufacturer's confidence in the durability of the dual-glass, TOPCon design. ### How does the HT40-18X(ND)-F perform on a roof with chimneys or dormers that cause partial shading? The half-cut cell design splits each cell into two, so shading on one section of the panel does not halt output from the unshaded section. Compared to full-cell panels, the HT40-18X(ND)-F is considerably more tolerant of partial shading from chimneys, antennas, or dormers. This results in meaningfully higher real-world energy yield on complex roof geometries. ### Why is the dual-glass construction of the HT40-18X(ND)-F better than a conventional polymer backsheet? The rear glass replaces the polymer backsheet with a material that is far more resistant to moisture ingress, UV radiation, and micro-cracking. In climates with frequent freeze-thaw cycles, dual glass significantly reduces PID risk and moisture-related degradation. The result is a smaller power loss after 10-20 years of operation compared to standard backsheet panels. ### Is HT-SAAE a reliable manufacturer and how does it compare to the competition? HT-SAAE holds Tier 1 status under the Bloomberg NEF classification, confirming documented financial strength and production capacity for large-scale projects. The company originates from China's aerospace and space industry supply chain, which enforces rigorous quality controls. Tier 1 status is a key criterion for project bankability when securing financing for commercial and industrial solar installations. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/ht40-18xnd-f-330-au-c1b2be1768b8.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [JA Solar NS-300MH-72](https://comparepv.com/panel/ja-solar-ns-300mh-72) | 300 W | 20 kg lighter, +10.5 pp, -5 yr warranty | | [PolyCrown Solar Tech NS-300MH-72](https://comparepv.com/panel/polycrown-solar-tech-ns-300mh-72) | 300 W | 20 kg lighter, +10.5 pp, -5 yr warranty | | [Heckert Solar ZEUS 1.2 FullBlack 280W](https://comparepv.com/panel/heckert-solar-zeus-1-2-fullblack-280w) | 280 W | -50 W, 18 kg lighter, +10.5 pp | | [JA Solar NS-330MH-80](https://comparepv.com/panel/ja-solar-ns-330mh-80) | 330 W | 18 kg lighter, +10.3 pp, -5 yr warranty | | [PolyCrown Solar Tech NS-330MH-80](https://comparepv.com/panel/polycrown-solar-tech-ns-330mh-80) | 330 W | 18 kg lighter, +10.3 pp, -5 yr warranty | | [Gamko New Energy GKA182M285W](https://comparepv.com/panel/gamko-new-energy-gka182m285w) | 285 W | -45 W, 22 kg lighter, +10.2 pp | | [Gamko New Energy GKA182M300W](https://comparepv.com/panel/gamko-new-energy-gka182m300w) | 300 W | -30 W, 16 kg lighter, +10.2 pp | | [Gamko New Energy GKA210M320W](https://comparepv.com/panel/gamko-new-energy-gka210m320w) | 320 W | -10 W, 16 kg lighter, +10.2 pp | | [Gamko New Energy GKA210M340W](https://comparepv.com/panel/gamko-new-energy-gka210m340w) | 340 W | +10 W, 16 kg lighter, +10.2 pp | | [HT-SAAE HT40-18X(ND)-310W](https://comparepv.com/panel/ht-saae-ht40-18x-nd-310w) | 310 W | -20 W, heavier, -0.7 pp | | [HT-SAAE HT40-18X(ND)-F-310W](https://comparepv.com/panel/ht-saae-ht40-18x-nd-f-310w) | 310 W | -20 W, -0.8 pp | | [HT-SAAE HT40-18X(ND)-315W](https://comparepv.com/panel/ht-saae-ht40-18x-nd-315w) | 315 W | -15 W, heavier, -0.5 pp | | [HT-SAAE HT40-18X(ND)-F-315W](https://comparepv.com/panel/ht-saae-ht40-18x-nd-f-315w) | 315 W | -15 W, -0.6 pp | | [HT-SAAE HT40-18X(ND)-320W](https://comparepv.com/panel/ht-saae-ht40-18x-nd-320w) | 320 W | -10 W, heavier, -0.3 pp | | [HT-SAAE HT40-18X(ND)-F-320W](https://comparepv.com/panel/ht-saae-ht40-18x-nd-f-320w) | 320 W | -10 W, -0.4 pp | | [HT-SAAE HT40-18X(ND)-325W](https://comparepv.com/panel/ht-saae-ht40-18x-nd-325w) | 325 W | Heavier | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | +320 W, lighter, +12.4 pp | --- Source: https://comparepv.com/panel/ht-saae-ht40-18x-nd-f-330w Not in this file, on the page: a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.