Two of JJN’s N-type 200 W bifacial panels for a van, RV or shed system with an MPPT controller or a power station. Slightly cheaper per watt than buying the single panel twice.
Price checked October 21, 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.
| Output | |
|---|---|
| Rated power | 400 W |
| Efficiency | 25% (published as "25+%"; the maker does not say whether this is cell or module efficiency) |
| Cells | Monocrystalline (N-type, 16BB, triple-cut cells, Grade A+) |
| Bifacial | Yes |
| Electrical | |
| Open-circuit voltage (Voc) | 28.1 V |
| Voltage at max power (Vmp) | 23.4 V |
| Short-circuit current (Isc) | 9.1 A |
| Current at max power (Imp) | 8.6 A |
| Connections | |
| Output connector | MC4 |
| Build | |
| Dimensions | 53.7 x 30 x 1.2 in (each panel) |
| Frame | black anodized aluminum |
| Glass | tempered front, transparent backsheet |
| Junction box rating | IP68 |
| Warranty | 5 years |
| Output warranty | 30-year performance warranty, 88.9% output |
A strong value for a 400 W ground mount, shed roof or large RV roof, and a good match for power stations with a 60 V solar input. Mostly sold as a pair on Amazon.
Amazon $319.99 Callsun $319.99The best-value way to put 200 W on a van roof, shed or ground mount on a 12 V system. Buyers who want a longer workmanship warranty pay more for Renogy’s 200 W.
Amazon $107.99 HQST $119.99A low-cost large-format panel for a home rooftop, shed or ground-mount array on a 24 V or 48 V system with an MPPT controller. Too big and too high-voltage for most RV and van setups.
Amazon $279.99 JJN $289More from JJN: every JJN product ranked.
