Solid all-round for its segment
The LEDVANCE M435~440N48RB-BB-F7 series are bifacial modules featuring a full-black aesthetic, designed to combine premium appearance with real energy yield gains. They utilize N-type wafers in TOPCon technology, offering superior performance in challenging operating conditions and more stable production compared to many standard P-type solutions. Another distinguishing feature is the glass-glass construction, which enhances resistance to moisture, mechanical stress, and accelerated aging - making these panels ideal for roofs subjected to intense use and variable weather conditions.
This series is for investors seeking to mitigate performance degradation risk and rely on predictable yields - applicable in both residential installations and commercial projects. A practical advantage during installation is the use of original Stäubli MC4 EVO 2 connectors and thoroughly optimized solutions for the reliable operation of the entire string.
Ranking
Signals from the data
Residential and commercial.
Using TOPCon cells instead of legacy PERC results in a lower LID/LeTID degradation rate and better high-temperature performance, delivering more predictable energy yield over the panel's lifetime.
Bifacial glass-glass modules (confirmed by the 'BB' designation and manufacturer datasheets) capture additional rear-side reflected light and offer significantly better moisture and micro-crack resistance than a standard glass-backsheet build.
25-year product warranty and 30-year linear power warranty match the best offerings currently available in the TOPCon segment, increasing long-term investment security.
Using certified, genuine MC4 EVO 2 connectors rather than cheaper aftermarket alternatives reduces the risk of overheating and connection failures in the module string, a common cause of energy loss and installation fires.
The full black version (black frame, backsheet and ribbons) meets growing residential demand for a uniform, premium rooftop appearance without an added power-class price premium.
Maximum efficiency of 22.02% is lower than comparable N-type series at the same 440 Wp max power: KDM Kingdom Solar (22.5%), Seraphim Nebula (22.53%) and Luxor Solar Eco Line (22.86%) - meaning slightly more roof area is needed to reach the same installed capacity.
The manufacturer is not listed as tier-1 bankable, which may complicate bank financing or project insurance for larger commercial installations, where investors and lenders often require BNEF tier-1 status.
- Efficiency of 22.0% matches the TOPCon 400-450W median
- Power density of 220.2 W/m² matches the TOPCon 400-450W median
- At -0.29%/°C, hot weather performance is typical for TOPCon 400-450W panels
- Weight of 24.5 kg is 2.5 kg above TOPCon 400-450W median (22.0 kg) - verify structural support
- In the top 45% for efficiency among all TOPCon panels
Specifications
Datasheet charts
Measured curves published by LEDVANCE in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 440 Wp appear here. The rest cover the whole series.
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
Found 1402 panels of the same or similar size to this one, within ±10 mm. See them here Found 1432 panels of the same or similar size to this one, within ±25 mm. See them here Found 3651 panels of the same or similar size to this one, within ±50 mm. See them here Found 3999 panels of the same or similar size to this one, within ±100 mm. See them here
About the M435~440N48RB-BB-F7 series
These answers cover the whole series. Where a figure differs, the specification above is this module's own.