Jinko EAGLE G6R 425
#7 in 150 W and upFull review
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.
Portlandia Electric Supply $198 Solar Cellz USA $202.02$198
The Jinko EAGLE G6R 425 is the better rigid solar panel overall, rated 4.6 to 4.0. The Jinko EAGLE G6R 425 leads on value and efficiency. The Jinko EAGLE G6R 425 costs $101.97 less ($198 vs $299.97).
Callsun 420W (2 x 210W) Bifacial 2-Pack
#27 in 150 W and upFull review
A good-value pair for a 24 V RV, van or cabin system with an MPPT controller, or for a power station wired in parallel. Owners of 12 V PWM setups should pick a lower-voltage panel.
Amazon $299.97$299.97
Prices were last checked October 26, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Jinko EAGLE G6R 425 for value ($0.47 per rated watt vs $0.71 per rated watt) and efficiency (21.8% module efficiency vs 19.9% module efficiency (from size and rated power)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 150 W and up rigid solar panel; a clear win is highlighted. How we rank explains each one.
| Factor weight | Jinko EAGLE G6R 425 | Callsun 420W (2 x 210W) Bifacial 2-Pack |
|---|---|---|
| Overall rating | 4.6/5 | 4.0/5 |
| Value 45% | 98 $0.47 per rated watt | 75 $0.71 per rated watt |
| Tested output 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Durability 25% | 100 IP68, 25-year warranty | 100 IP68, 10-year warranty |
| Efficiency 15% | 75 21.8% module efficiency | 38 19.9% module efficiency (from size and rated power) |
Specifications
| Jinko EAGLE G6R 425 | Callsun 420W (2 x 210W) Bifacial 2-Pack | |
|---|---|---|
| Output | ||
| Rated power | 425 W | 420 W |
| Module efficiency | 21.8% | 19.9% (rated power over panel area) |
| Claimed efficiency | 21.8% (module efficiency from the datasheet; Jinko publishes no headline figure (the 440 W version is 22.53%)) | 25.6% (cell efficiency; no module efficiency published) |
| Cells | Monocrystalline (N-type TOPCon, 108 half cells) | Monocrystalline (N-type, 16BB, quarter-cut cells, wired as two parallel halves for shade tolerance) |
| Bifacial | No | Yes |
| Electrical | ||
| Open-circuit voltage (Voc) | 39 V | 40.3 V |
| Voltage at max power (Vmp) | 32.4 V | 34.2 V |
| Short-circuit current (Isc) | 13.6 A | 6.5 A |
| Current at max power (Imp) | 13.1 A | 6.1 A |
| Voc temperature coefficient | -0.2%/°C | -0.2%/°C |
| Series / parallel | Yes | Yes |
| Connections | ||
| Output connector | Stäubli MC4 | Solar connectors |
| Build | ||
| Weight | 46.3 lb (21 kg) | - |
| Dimensions | 67.79 x 44.65 x 1.38 in | 54.2 x 30.2 x 1.4 in (each panel) |
| Frame | anodized aluminum alloy, black | anodized aluminum alloy |
| Glass | 3.2 mm anti-reflection coated, low-iron tempered | 3.2 mm tempered |
| Junction box rating | IP68 | IP68 |
| Warranty | 25 years | 10 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) | 84.5% output after 25 years |
| Released | - | 2026-08 |