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.
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% (cell efficiency) |
| Cells | Monocrystalline (N-type, 16BB, split into two parallel halves for shade tolerance) |
| Bifacial | Yes |
| Electrical | |
| Open-circuit voltage (Voc) | 27.3 V |
| Voltage at max power (Vmp) | 23.7 V |
| Short-circuit current (Isc) | 8.9 A |
| Current at max power (Imp) | 8.4 A |
| Series / parallel | Yes |
| Connections | |
| Output connector | MC4-compatible solar connectors |
| Build | |
| Weight | 47.6 lb (21.6 kg) |
| Dimensions | 51.34 x 30.31 x 1.58 in (each panel) |
| Frame | anodized aluminum alloy |
| Glass | 3.2 mm tempered |
| Junction box rating | IP68 |
| Warranty | 10 years |
| Output warranty | 84.5% output after 25 years |
A low-cost 200 W panel for a 12 V van, RV or shed system, with a longer warranty than most budget brands. Buyers who want a well-documented panel from an established maker pay a little more for HQST.
Amazon $98.82A good-value pair of compact 100 W panels for a van, small RV or boat where roof space comes in odd shapes. Pair it with an MPPT controller to get the full output.
Amazon $129.99 Callsun $129.99The 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 $119.99More from Callsun: every Callsun product ranked.
