Light for its output, needs the roof space
The DAS Solar DAS-LH132PA series was designed for installations where construction constraints and installation speed are key factors. These are ultralightweight, frameless composite modules, making them easier to handle, safer to install, and more efficiently logistically managed - especially on roofs with lower load capacity, during renovations, and in situations where every minute of the team's work counts.
The construction, based on half-cell technology and SMBB, improves performance under partial shading and minimizes losses at microjunctions, resulting in a more stable yield under real-world conditions. Furthermore, the low operating temperature level helps maintain efficiency during summer, and excellent performance under low-light conditions helps recover energy in the morning, evening, and on cloudy days - precisely when many standard modules significantly reduce output.
The DAS-LH132PA is an excellent choice for roof installations (including those on lightweight roofing systems), commercial properties with load restrictions, and projects where installation costs and logistics are prioritized, not just catalog parameters.
Ranking
Signals from the data
Residential, commercial and shaded-installations.
Roofs where every square metre has to count and tight roof space.
Top 2% of the PERC 450-500 W segment, against a median of 53.1. Ranked 87th in the whole database.
Bottom 1% of the PERC 450-500 W segment, against a median of 208.5. Ranked 13,049th in the whole database.
Bottom 2% of the PERC 450-500 W segment, against a median of 20.82%. Ranked 12,331st in the whole database.
The module weighs approximately 10.2 kg — 60–70% less than a standard crystalline panel of equivalent wattage (typically 22–25 kg). This opens up installations on flat and pitched roofs with structural load limits below 15 kg/m², where framed PERC/TOPCon modules are not viable without costly structural reinforcement.
The absence of an aluminum frame and a profile of just 9 mm (vs. 35–40 mm for standard modules) reduces installation time, eliminates the risk of galvanic corrosion at frame joints, and lowers shipping volume — particularly valuable in commercial retrofit projects where labor costs represent a significant share of the overall installation budget.
The half-cut cell layout combined with Small Multi-Busbar (SMBB) technology reduces resistive losses at interconnects and limits the impact of partial shading on the full string. In urban environments with chimneys and dormers, this translates into a tangible operational advantage over full-cell modules without SMBB.
The module's Nominal Module Operating Temperature is 43°C, compared to 45–47°C typical of standard PERC modules. The lower operating point directly reduces temperature-related power losses (Pmax temperature coefficient of approx. −0.35%/°C), resulting in higher energy yield on hot days.
DAS Solar was included on the BloombergNEF Tier-1 list in 2023, confirming its eligibility for non-recourse project financing by lenders. For commercial investors and residential customers utilizing loan financing, Tier-1 BNEF status is a prerequisite when selecting a module supplier.
The efficiency range of 19.9–20.8% falls noticeably short of peer comparables in the same power class: JA Solar JAM54D40 LB and Astronergy ASTRO N7s 2.0 achieve 23.8%, and the Longi Hi-MO X10 reaches 23.3%. On a standard roof without weight constraints, this means approximately 15–18% more DAS-LH132PA modules would need to be installed to deliver the same system output.
P-type PERC cells exhibit higher Light-Induced Degradation (LID) and do not offer the benefits of bifaciality. Peer comparables from JA Solar, Astronergy, and Longi are based on N-type architecture, where LID is near zero and the linear annual degradation rate is approximately 0.05–0.1 percentage points lower — a measurable difference in cumulative energy yield over a 25-year power warranty period.
DAS Solar was founded in 2018 and only achieved BloombergNEF Tier-1 status in 2023. Against a 25-year performance warranty, the manufacturer's operational history is significantly shorter than that of JA Solar (active since the late 1990s) or Longi Solar (since 2000), which constitutes a risk factor when assessing the long-term bankability of projects.
- Module efficiency of 19.9% is 0.9pp below average for PERC 450-500W panels (median: 20.8%)
- 186.8 W/m² power density is 21.7 W/m² below PERC 450-500W median (208.5 W/m²) - requires larger installation area
- Temperature coefficient of -0.34%/°C matches the PERC 450-500W median
- At 10.2 kg, this panel is 14.3 kg lighter than PERC 450-500W median (24.5 kg) - easier handling during installation
- In the top 88% for efficiency among all PERC panels
Specifications
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
Found 21 panels of the same or similar size to this one, within ±10 mm. See them here Found 36 panels of the same or similar size to this one, within ±25 mm. See them here Found 159 panels of the same or similar size to this one, within ±50 mm. See them here Found 881 panels of the same or similar size to this one, within ±100 mm. See them here