A budget all-black rooftop panel from one of the largest makers, for homeowners who want a long warranty at the lowest price per watt.
Price checked October 26, 2026. As an Amazon Associate we earn from qualifying purchases.
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
| Model number | JKM425N-54HL4-B |
|---|---|
| Output | |
| Rated power | 425 W |
| Module efficiency | 21.8% |
| Claimed efficiency | 21.8% (module efficiency from the datasheet; Jinko publishes no headline figure (the 440 W version is 22.53%)) |
| Cells | Monocrystalline (N-type TOPCon, 108 half cells) |
| Bifacial | No |
| Electrical | |
| Open-circuit voltage (Voc) | 39 V |
| Voltage at max power (Vmp) | 32.4 V |
| Short-circuit current (Isc) | 13.6 A |
| Current at max power (Imp) | 13.1 A |
| Voc temperature coefficient | -0.2%/°C |
| Series / parallel | Yes |
| Connections | |
| Output connector | Stäubli MC4 |
| Build | |
| Weight | 46.3 lb (21 kg) |
| Dimensions | 67.79 x 44.65 x 1.38 in |
| Frame | anodized aluminum alloy, black |
| Glass | 3.2 mm anti-reflection coated, low-iron tempered |
| Junction box rating | IP68 |
| Warranty | 25 years |
| Output warranty | 30-year linear: no more than 1% loss in year 1, then no more than 0.4% a year (at least 87.4% at year 30) |
A US-built all-black rooftop panel at an import-like price, for homeowners or installers who want domestic content without paying a premium.
A1 Solar Store $200.47 The Solar Store $219 US Solar Supplier $224.99A premium all-black rooftop panel at a budget price for a home system bought as a full set, with slow aging that pays off over decades.
Signature Solar $141.10 Solar Cellz USA $324A rock-bottom-price pair of 100 W panels for a 12 V shed, boat or small off-grid setup. Buyers who want a documented panel from an established maker should pay a little more for Callsun or Renogy.
Amazon $89.99Compare the Jinko EAGLE G6R 425 with any other rigid solar panel →
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