The budget pick for a shed, gate opener, small cabin or ground mount where space isn’t tight. On a crowded van roof a smaller N-type 100 W panel is the better fit.
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 | 100 W |
| Efficiency | 23% (cell efficiency, "up to") |
| Cells | Monocrystalline (9BB) |
| Bifacial | No |
| Electrical | |
| Open-circuit voltage (Voc) | 24.3 V |
| Voltage at max power (Vmp) | 20.4 V |
| Short-circuit current (Isc) | 5.2 A |
| Current at max power (Imp) | 4.9 A |
| Voc temperature coefficient | -0.3%/°C |
| Series / parallel | Yes |
| Connections | |
| Output connector | MC4 |
| Build | |
| Weight | 14.3 lb (6.5 kg) |
| Dimensions | 31.8 x 27.5 x 1.18 in |
| Frame | anti-corrosion aluminum alloy |
| Glass | low-iron tempered |
| Junction box rating | IP65 |
| Warranty | 5 years |
| Output warranty | 95% output for 5 years, 90% for 10 years, 80% for 25 years |
A dependable 100 W panel for a fixed install on a van, boat, shed or small off-grid setup. The smaller footprint and 10-year warranty are worth a few dollars over generic 100 W panels.
Amazon $89.99 Renogy $109.99A cheap 100 W panel for a small 12 V system on a van, boat or shed. JJN’s newer N-type 100 W panel is the more efficient choice if the price gap is small.
Amazon $59.99 JJN $59For a van or small RV roof where vents, racks or trees shade part of the panel. With clear sun all day, a standard 100 W panel costs less per watt.
Amazon $128.24 Renogy $129.99Compare the HQST 100W 12V 9BB Monocrystalline Rigid Solar Panel with any other rigid solar panel →
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