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 $129.99
A UL-listed dual-glass bifacial panel with a 10-year warranty for home rooftop, shed or ground-mount arrays on a 24 V or 48 V MPPT system. Check its voltage against your controller with the seller first, since full specs aren’t published.
- 450 WRated output
- $0.71Price / W
- 52 lbWeight
- 10 yearsWarranty
Price checked October 21, 2026. As an Amazon Associate we earn from qualifying purchases.
- UL 61730 listed, which permit offices and utilities typically require for home rooftop installs
- Dual-glass bifacial build adds output over light gravel, concrete or snow and resists moisture better than a plastic backsheet
- 10-year product warranty, double the 5 years common on low-cost large panels
- Seller publishes no spec sheet; the voltage figures come only from Amazon’s loosely labeled fields, and no current figures are given
- Needs an MPPT controller, and two in series exceed the 60 V solar input of many power stations
- About 69 x 45 in and 52 lb, a two-person lift and too big for most RV and van roofs; 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 | 450 W |
| Efficiency | 25.2% (published as "up to 25.2% conversion efficiency" for the cells) |
| Cells | Monocrystalline (N-type 210RR cells, 16BB, Grade A+, 48 cells) |
| Bifacial | Yes |
| Connections | |
| Output connector | MC4 |
| Build | |
| Weight | 52 lb (23.6 kg) |
| Dimensions | 69.37 x 44.65 x 1.18 in |
| Frame | aluminum |
| Glass | 2.0 mm tempered, dual-glass construction |
| Junction box rating | IP68 |
| Warranty | 10 years |
Alternatives in this size
A cheap-per-watt, very large bifacial panel for home rooftop or ground-mount arrays where the installer can confirm the electrical specs first. Not for RVs, vans or anyone who needs a datasheet up front.
Amazon $339.99A low-cost 5 kW bundle of large panels for a home rooftop or ground-mount system on a 48 V or grid-tie inverter with MPPT input. Only worth it if you need all ten.
Amazon $2,645.38Compare
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