--- title: "ECODELTA ECO-450M-54LHC-DGBF 450W Solar Panel - Specs & Review | ComparePV" description: "ECODELTA ECO-450M-54LHC-DGBF 450W solar panel. Specs: 22.54% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/ecodelta-eco-450m-54lhc-dgbf" updated: 2026-09-11 --- # ECODELTA ECO-450M-54LHC-DGBF Solid all-round for its segment 1,089 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** ECODELTA - **Model:** ECO-450M-54LHC-DGBF - **Series:** CLASSIC PLUS - **Rated power:** 450 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 450-500 W (1089 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 450 W | 465 W | Weak - bottom 9% | | | Module efficiency | 22.54% | 22.52% | Typical | 3,920 | | Power density | 225.2 | 225.2 | Typical | 4,225 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight (kg) | 22.5 kg | 24.0 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.54% | 22.52% | Typical | 3,920 | | Power density | 225.2 | 225.2 | Typical | 4,225 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight per kWp | 50.0 | 52.2 | Typical | 3,317 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ## Specification ### Electrical - **Rated power (Pmax):** 450 W - **Efficiency:** 22.54 % - **Voltage at Pmax (Vmp):** 33.07 V - **Current at Pmax (Imp):** 13.61 A - **Open-circuit voltage (Voc):** 39.73 V - **Short-circuit current (Isc):** 14.22 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.290 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.040 %/degC - **NOCT:** 43 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 - **Bifacial:** yes ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 22.5 kg - **Area:** 2.00 m2 - **Power density:** 225.2 Wp/m2 ### Warranty and degradation - **Product warranty:** 30 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **Output after 30 years:** 393 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 3920 of 14005 | | Power density | 4225 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 3317 of 14005 | | Warranty | 21 of 14005 | ## Pros - **TOPCon N-type: Zero LID/LeTID and Low Temperature Coefficient** - N-type cells exhibit virtually zero light-induced degradation (LID) and full immunity to LeTID — failure modes that plague P-type PERC modules. The temperature coefficient of -0.29%/°C outperforms the TOPCon median (~-0.31%/°C) and significantly beats PERC (~-0.35%/°C). At the cell operating temperatures typical of Polish summers (45–50°C), this translates to approximately 0.9–1.5% higher energy yield compared to previous-generation technology. - **30-Year Power Warranty (87.4%) — Above Industry Standard** - The manufacturer guarantees a minimum power retention of 87.4% of nominal output after 30 years. By comparison, Tier-1 manufacturers such as Trina Solar and JA Solar typically offer a linear warranty up to 25 years with 84.8% retention, with only select series extending to 30 years. The longer warranty horizon directly improves LCOE projections in both residential prosumer and commercial investment analyses. - **Shingled Cell Technology — Improved Shade Tolerance and Higher Power Density** - Eliminating soldering ribbons and overlapping cells in a shingled configuration increases the module's active area and reduces partial-shading losses by up to 35% compared to conventional half-cut modules (Eco Delta Power data). The absence of busbars also lowers the risk of hot-spot formation — particularly relevant for rooftop installations near chimneys or dormer windows. - **Bifacial TOPCon: Additional Energy Yield from the Rear Side** - TOPCon bifacial modules achieve a bifaciality factor of approximately 76%, exceeding the ~75% typical of bifacial PERC. At ground albedo values of 20–25% common in Poland, this delivers an additional annual energy yield of 5–15% with no increase in installation cost. - **Efficiency Up to 22.54% — On Par with Suntech Ultra V Pro** - The peak efficiency of 22.54% is effectively equivalent to the Suntech Ultra V Pro (22.5%) in the same 440–450 Wp power class, placing the Classic Plus series in the top quartile of available residential modules and enabling full utilization of constrained roof area. ## Cons - **Efficiency Trails the Top Peer by 0.5 Percentage Points** - The SunKean/Sunket New Energy SKT430–450M10-108D5 achieves 23.04% efficiency at the same 450 Wp rating, representing a 0.5 pp advantage over the Classic Plus (22.54%). On a 10-module installation (approximately 18 m² of roof area), this difference equates to roughly 50 Wp less installed capacity — a meaningful gap where roof space is severely constrained. - **Module Manufacturer Not Listed on BNEF Tier-1** - Eco Delta Power Co., Ltd. — the Chinese manufacturer of the physical Classic Plus modules — does not appear on the BNEF Tier-1 Q1 2026 list, which is required for many commercial project financing arrangements. For residential prosumer installations this limitation is negligible, but it may represent a barrier for large C&I projects where bankability is a prerequisite. ## About this series The Ecodelta Classic Plus series redefines efficiency standards through the use of innovative **shingled technology**, which eliminates traditional ribbon connections between cells. By overlapping the edges of silicon wafers, these panels offer a significantly larger active surface area, which directly translates into maximum utilization of available roof space. This is an ideal solution for investors struggling with limited installation space who do not want to sacrifice high energy yields. This construction is characterized by **exceptional resistance to micro-cracks** and mechanical loads, which guarantees longevity and stable system operation for decades. Eliminating busbars not only affects aesthetics, providing an elegant, uniform appearance, but also improves **efficiency in partial shading conditions**. Ecodelta Classic Plus stands out from the competition with a reduced risk of hot-spots, which increases the fire safety of the entire installation. This series is dedicated especially to modern residential construction, where a combination of **high power density** and attention to visual details matters. By choosing these modules, the user receives a product optimized for operation in the variable Polish climate, ensuring predictable savings with minimal operating costs. ## Notable figures - Efficiency of 22.5% matches the \*\*TOPCon 450-500W\*\* median - At 225.2 W/m² power density, roof space requirements are typical for \*\*TOPCon 450-500W\*\* panels - Temperature coefficient of -0.29%/°C matches the \*\*TOPCon 450-500W\*\* median - Weight of 22.5 kg (1.5 kg below \*\*TOPCon 450-500W\*\* median of 24.0 kg) allows easier transport and roof mounting - In the top 28% for efficiency among all TOPCon panels ## Questions ### What is shingled cell technology in Ecodelta Classic Plus panels and how does it differ from conventional modules? In shingled technology, silicon cells are cut into narrow strips that overlap at their edges, eliminating the need for conventional soldering ribbons. In the Ecodelta Classic Plus series, this translates into a larger active cell area per module, improved performance under partial shading, and greater resistance to microcracks compared to half-cut or standard monocrystalline panels. The net result is more energy harvested from the same roof area. ### What warranty does the manufacturer offer on Ecodelta Classic Plus panels? Ecodelta provides a 30-year product warranty covering material and workmanship defects, as well as a 30-year linear power output warranty. This means that over three decades the manufacturer commits to a gradual, predictable performance degradation curve in line with the technical documentation. This is one of the longest warranty packages currently available in the photovoltaic panel market. ### Are Ecodelta Classic Plus panels bifacial, and what does that mean in practice? Yes, the Classic Plus series consists of bifacial modules, meaning both sides of the panel generate electricity. The rear surface captures light reflected from the ground or mounting substrate — such as snow, a light-colored roofing membrane, or gravel. Under Polish winter conditions, the bifacial gain can increase annual energy yield by several to over ten percent, particularly on roof pitches with an appropriate tilt angle that maximizes rear-side irradiance. ### Will the Ecodelta Classic Plus 450 W perform well on a small roof with limited available space? Yes, this series was designed with space-constrained installations in mind. Shingled technology maximizes the active cell area within the module footprint, so for a given panel size the rated power output is higher than that of conventional PERC modules. A peak power rating of 450 W allows a high total system capacity to be achieved while mounting comparatively fewer panels, making it an efficient choice wherever roof area is at a premium. ### Do Ecodelta Classic Plus panels perform well in overcast conditions and in the Polish climate? The TOPCon cell technology used in the Classic Plus series is characterized by a low temperature coefficient and strong response to diffuse irradiance. The elimination of busbars inherent to shingled technology further improves performance under partial shading conditions. For Poland's variable climate — with frequent cloud cover and seasonal shading — this means more stable energy yields throughout the year compared to conventional PERC modules. ### Where are Ecodelta Classic Plus panels manufactured and is the brand trustworthy? Ecodelta is a brand headquartered in France with an established presence on the European photovoltaic market. The comprehensive 30-year warranty package covering both product integrity and power output demonstrates the manufacturer's confidence in the long-term durability of its modules. Before purchasing, it is advisable to confirm the availability of authorized warranty service in Poland with the local distributor. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/ECO-440-450M-54LHC-DGBFTOPCON-74cf55d8599c.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +45 W, cooler, +2.3 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +40 W, cooler, +2.0 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +50 W, cooler, +2.0 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +50 W, cooler, +2.0 pp | | [Gokin GK-3-54HGb-500M](https://comparepv.com/panel/gokin-gk-3-54hgb-500m) | 500 W | +50 W, cooler, +2.0 pp | | [GCL GCL-NR10R/54BGDF](https://comparepv.com/panel/gcl-gcl-nr10r-54bgdf) | 500 W | +50 W, cooler, +2.0 pp | | [ECODELTA ECO-440M-54LHC-DGBF](https://comparepv.com/panel/ecodelta-eco-440m-54lhc-dgbf) | 440 W | -10 W, -0.5 pp | | [ECODELTA ECO-445M-54LHC-DGBF](https://comparepv.com/panel/ecodelta-eco-445m-54lhc-dgbf) | 445 W | -0.3 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +60 W, cooler, +2.5 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +55 W, cooler, +2.2 pp | --- Source: https://comparepv.com/panel/ecodelta-eco-450m-54lhc-dgbf Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.