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.
Amazon $80.99
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.
- 200 WRated output
- $0.49Price / W
- 22.1 VOpen-circuit voltage
- 19.2 lbWeight
- 10 yearsWarranty
Price checked October 21, 2026. As an Amazon Associate we earn from qualifying purchases.
- About 49 cents per watt, among the cheapest 200 W panels sold on Amazon
- 12 V-class voltage, so it charges a 12 V battery even through a basic PWM controller
- 10-year warranty on materials and workmanship, twice what HQST offers
- Little-known brand with no spec sheet outside the Amazon listing, and the listing’s own spec fields disagree with its spec table
- The maker says no more than 3 panels in parallel or 3 in series
- No independent output test yet
How it scores
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.
Specifications
| Output | |
|---|---|
| Rated power | 200 W |
| Efficiency | 25% (cell efficiency) |
| Cells | Monocrystalline (N-type, 18BB) |
| Bifacial | No |
| Electrical | |
| Open-circuit voltage (Voc) | 22.1 V |
| Voltage at max power (Vmp) | 18.2 V |
| Short-circuit current (Isc) | 12.1 A |
| Current at max power (Imp) | 10.9 A |
| Series / parallel | Yes |
| Build | |
| Weight | 19.2 lb (8.7 kg) |
| Dimensions | 52.76 x 26.38 x 1.18 in |
| Frame | 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 |
Alternatives in this size
A 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 $319.99Compare
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