Middle of its segment, short guarantee
The DAH DHM-72X10 (540-555W) series are half-cell based modules designed for stable energy production under real-world operating conditions, rather than just in a laboratory setting. The use of 10 busbar technology improves current collection from the cells and reduces internal losses, resulting in higher efficiency under typical installation loads. The modules also offer good performance in low-light conditions and limited partial shading performance - which is important on roofs with obstructions, chimneys, or east-west facing installations.
Thanks to manufacturing processes focused on reducing hot-spot risk and increasing PID resistance, the DHM-72X10 series performs better in demanding environments and over long periods of operation. This makes it a good choice for installers and investors looking for modules for larger commercial roofs, PV farms, and projects where predictable output, durability, and reduced risk of claims are important.
Ranking
Signals from the data
Commercial, utility-scale and shaded-installations.
Owners who want a long output guarantee.
Bottom 23% of the PERC 500-550 W segment, against a median of 30 yrs.
A peak efficiency of 21.48% places the series on par with its direct competitors: JA Solar Deep Blue 3.0 (21.5%), ET Solar Elite PLUS (21.4%), and Boviet Vega Series (21.3%). In the 540–555 W PERC half-cut segment, the DHM-72X10 holds its own against market leaders.
The 10-busbar design reduces series resistance and self-shading from electrode fingers, lowering internal losses. The half-cut cell architecture further reduces power dissipation under partial shading conditions by approximately 50% compared to full-cell modules — a tangible advantage for installations with shading obstacles.
The series datasheet specifies γPmax = -0.31%/°C, compared to -0.35%/°C typical for standard PERC modules. At a cell temperature of 65°C — common during Polish summers — this translates to approximately 1.4% higher output relative to a module with a standard temperature coefficient, representing a real energy gain during peak irradiance seasons.
DAH Solar has continuously maintained BloombergNEF Tier-1 status since at least Q2 2024, including Q1, Q3, and Q4 2025. Tier-1 classification is required by many PV project financing institutions, ensuring full bankability of the series and eliminating the risk of rejection by insurers or project lenders.
The manufacturer declares enhanced resistance to Potential Induced Degradation and reduced hot-spot risk, attributed to the half-cut cell architecture and sealed enclosure design. Combined with a 25-year linear power warranty (down to >80.7% of Pnom), this provides predictable degradation performance for projects with long financing horizons.
The DHM-72X10 (540–555 W) is designated as discontinued (introduced: 2022). This means no new production runs, a risk of being unable to match modules for system expansions, and potential difficulties with warranty replacements once distributor inventory is exhausted.
In 2025–2026, the 540–555 W segment is dominated by TOPCon modules — such as the JA Solar DeepBlue 4.0 and Jinko Tiger Neo — which offer lower LID, higher bifacial efficiency, and better performance at cell temperatures above 50°C, at comparable market prices. Selecting PERC means investing in a technology with no continuation roadmap in the manufacturer's portfolio.
- At 21.1% efficiency, this panel is on par with typical PERC 500-550W modules
- At 210.9 W/m² power density, roof space requirements are typical for PERC 500-550W panels
- Temperature coefficient of -0.35%/°C matches the PERC 500-550W median
- Ranked #9519 out of 14005 panels for efficiency in the database
Specifications
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
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