A cheap, independently tested 400 W pair for a van, RV or shed on a budget. JJN’s newer N-type 2-pack costs a little more but comes with a full spec sheet and a stated warranty.
Amazon $239.99
A low-cost, safety-certified 200 W panel for a 12 V RV, van or shed system. The thin warranty terms make Callsun or HQST the safer buy at similar prices.
- 200 WRated output
- $0.65Price / W
- 23.1 VOpen-circuit voltage
- 23.1 lbWeight
Price checked October 21, 2026. As an Amazon Associate we earn from qualifying purchases.
- About 65 cents per watt for a single 200 W panel
- Certified to UL 61730 and IEC safety standards, which few budget Amazon brands document
- 12 V-class voltage, so it charges a 12 V battery even through a basic PWM controller
- Split cell strings keep part of the panel working when a vent or branch shades it
- No maker website or downloadable spec sheet, and the listing gives three different weights
- No clear product warranty: only “10-year technical support”
- 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 | 25.8% (as published for the cells ("up to"); module efficiency not published) |
| Cells | Monocrystalline (N-type, 16BB, series-parallel cell strings for shade tolerance) |
| Bifacial | No |
| Electrical | |
| Open-circuit voltage (Voc) | 23.1 V |
| Voltage at max power (Vmp) | 20.8 V |
| Short-circuit current (Isc) | 10.3 A |
| Current at max power (Imp) | 9.6 A |
| Series / parallel | Yes |
| Build | |
| Weight | 23.1 lb (10.5 kg) |
| Dimensions | 52.7 x 30.3 x 1.18 in |
| Frame | anodized aluminum alloy |
| Glass | 3.2 mm tempered |
| Junction box rating | IP68 |
| Output warranty | 30-year performance warranty claimed; terms not published |
Alternatives in this size
A good single-panel choice for an RV roof, shed or ground mount where you want 200 W from one module. Pair it with an MPPT controller; on a 12 V system with a PWM controller, two 100 W panels make more sense.
Amazon $179.99 Renogy $179.99A low-cost large panel for a shed, greenhouse or ground mount with an MPPT controller. Buyers who want a stated warranty and full spec sheet should pay a little more for a better-documented brand.
Amazon $254.77Compare
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