A 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.
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 | 200 W |
| Efficiency | 25% (as published; the listing does not say whether cell or module) |
| Cells | Monocrystalline (N-type, 18BB) |
| Bifacial | No |
| Electrical | |
| Open-circuit voltage (Voc) | 23.4 V |
| Voltage at max power (Vmp) | 19.5 V |
| Short-circuit current (Isc) | 5.6 A |
| Current at max power (Imp) | 5.1 A |
| Series / parallel | Yes |
| Build | |
| Dimensions | 39.79 x 18.11 x 1.18 in (each panel) |
| Frame | anodized aluminum alloy |
| Glass | 3.2 mm tempered |
| Junction box rating | IP68 |
| Warranty | 10 years |
| Output warranty | at least 90% of rated power for the first 10 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 $129.99A 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 $319.99More from Rvpozwer: every Rvpozwer product ranked.
