JA Solar JAM54D41 450W Bifacial All-Black Solar Panel
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$177.50at Rocksolar TechnologyChecked Nov 8
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The JA Solar JAM54D41 is a 450W N-type bifacial solar panel from the DeepBlue 4.0 Pro line, built with double-glass construction and an all-black finish for residential roofs. Its Bycium+ half-cut cells with 16 busbars reach up to 23.0% module efficiency, and the bifacial design also collects light on the rear face. Buyers describe strong output on cloudy days and in partial shade, plus a premium look on the roof. Against standard monofacial panels it adds rear-side yield and better low-light behavior, at the cost of needing a mounting setup that lets light reach the back.
In stockSold by USA
Lowest price we've seen: $177.50 on Nov 8 at Rocksolar Technology. Tracked across 1 store since Nov 8.
Buyers rate the panel highly for output on overcast days, shade tolerance and build quality. The all-black finish is repeatedly called premium-looking, and installation is described as straightforward.
| Rated power (Pmax) | Open circuit voltage (Vo | Max power voltage (Vmp) | Short circuit current (I | Max power current (Imp) | Module efficiency |
|---|---|---|---|---|---|
| 440 W | 38.90 V | 32.47 V | 14.31 A | 13.55 A | 22.0% |
| 450 W | 40.30 V | 32.99 V | 14.41 A | 13.64 A | 22.5% |
| 455 W | 40.50 V | 33.33 V | 14.42 A | 13.65 A | 22.8% |
| 460 W | 40.60 V | 33.68 V | 14.43 A | 13.66 A | 23.0% |
The JA Solar JAM54D41 is a 450 W N-type bifacial solar panel from the DeepBlue 4.0 Pro series. It has an all-black design and is made for residential rooftops, commercial buildings and premium installations.
It uses N-type Bycium+ monocrystalline cells with 16-busbar half-cell technology. Cell conversion efficiency is up to 26%, and module efficiency is up to 23.0%. The bifacial construction generates power from both the front and rear sides.
The panel has 1.6 mm glass on the front and rear and a black anodized aluminum frame. It is certified to withstand a 5400 Pa front load and a 2400 Pa rear load. The IP68 junction box comes with MC4-EVO2 connectors.
