Efficiency leader, weak in heat
The HT-SAAE HT54-18X(N) PANDA series are modules designed for maximum yield from limited rooftop space - they are based on N-type cells and TOPCon technology, enabling better efficiency retention over time and more stable performance at higher temperatures. The application of half-cut construction minimizes internal losses and improves resistance to micro-cracking, resulting in more predictable energy production over the long term.
In practice, this solution addresses issues common with older technologies for investors seeking to avoid problems such as faster degradation after the initial seasons or power drops under less favorable sunlight conditions. The modules also feature Full Black aesthetics, highly valued in residential installations and modern buildings, where a consistent roof appearance matters.
The HT54-18X(N) PANDA is ideal for apartment installations and small to medium-sized commercial systems - environments where high power density, reliability, and a long operational lifespan without surprises are key.
Ranking
Signals from the data
Residential, commercial and shaded-installations.
Hot climates.
Top 1% of the TOPCon 400-450 W segment, against a median of 22.00%. Ranked 2,769th in the whole database.
Top 2% of the TOPCon 400-450 W segment, against a median of 220.2. Ranked 2,845th in the whole database.
Top 12% of the TOPCon 400-450 W segment, against a median of 51.5.
Bottom 10% of the TOPCon 400-450 W segment, against a median of -0.290.
TOPCon N-type technology delivers a temperature coefficient of Pmax at -0.31%/°C, resulting in measurably higher energy yield on hot days compared to PERC modules (-0.38%/°C) - a difference of approximately 0.7% in output power at a cell temperature of 45°C.
The manufacturer guarantees a minimum of 87.4% of rated output power after 30 years of operation, backed by a 30-year product warranty. While most peer comparables (Suntech, SunKean) offer warranties at a similar level, the prevailing mass-market standard remains 25 years, making this a genuine competitive advantage for long-term investors.
The series achieves module efficiency of 22-23%, placing it among the top performers in the full-black monofacial TOPCon 54-cell segment: the Suntech Ultra V Pro mini Full Black tops out at 22.5%, while the SunKean SKT430~450M10-108D5 reaches 23.04% - a lead of just 0.04 percentage points over this series.
HT-SAAE (Shanghai Aerospace Automobile Electromechanical Co., Ltd.), founded in 1998, is listed as a bankable Tier-1 manufacturer by BNEF. Its ties to China's aerospace program translate into rigorous quality control and financial stability - both critical factors when evaluating 30-year warranty commitments.
N-type TOPCon cells are inherently resistant to light-induced degradation (LID) and light and elevated temperature-induced degradation (LeTID), resulting in a more linear degradation profile throughout the module's operational lifetime. The modules carry certified Anti-PID ratings, which is particularly relevant for systems operating at high system voltages.
Despite its Tier-1 status, HT-SAAE maintains a significantly smaller network of authorized service partners and distributors in Poland compared to market leaders such as JA Solar or Jinko Solar. In the event of a warranty claim, this may extend response times and complicate module replacement logistics.
- Efficiency of 22.8% is 0.8pp above the TOPCon 400-450W median (22.0%)
- At 227.9 W/m² power density, this panel generates 7.7 W/m² more per unit area than TOPCon 400-450W median (220.2 W/m²)
- Temperature coefficient of -0.31%/°C is 0.02pp worse than TOPCon 400-450W median (-0.29%/°C) - higher losses in summer heat
- Weight of 21.0 kg is typical for TOPCon 400-450W panels
- #2769 for efficiency, #8069 for temperature performance out of 14129 panels
Specifications
Datasheet charts
Measured curves published by HT-SAAE in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 445 Wp appear here. The rest cover the whole series.
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
Alternatives
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About the HT54-18X(N) PANDA series
These answers cover the whole series. Where a figure differs, the specification above is this module's own.