For a 12 V system that wants 200 W from one panel without buying an MPPT controller. With an MPPT controller, 24 V-class 200 W panels with longer warranties are worth a look.
Amazon $174.99
A middle size for a 12 V system where a 100 W panel is too little and a 200 W panel won’t fit. Buy it from Newpowa’s own store, where it costs less than on Amazon.
- 150 WRated output
- $0.92Price / W
- 20.4 VOpen-circuit voltage
- 18.5 lbWeight
- 2 yearsWarranty
Price checked October 26, 2026. As an Amazon Associate we earn from qualifying purchases.
- Squarer than most panels at about 39 x 30 in, so it fills short roof sections that a long 200 W panel won’t
- A 17 V operating voltage charges a 12 V battery with an inexpensive PWM controller
- Rated for 5,400 Pa snow loads, so it suits a shed or cabin roof that sees winter
- Only a 2-year workmanship warranty, shorter than most rivals’ 5 to 10 years
- Newpowa doesn’t publish the junction box’s IP rating
- No independent output test yet
The Newpowa 10BB Rigid family
Every Newpowa 10BB Rigid model we rank, smallest first. Ratings compare each against its own size.
| Model | Rated output | Rating | Price |
|---|---|---|---|
| Newpowa 150W 12V Mono (this one) | 150 W | 2.9/5 | $137.72 |
| Newpowa 200W 12V Mono | 200 W | 2.9/5 | $174.99 |
| Newpowa 200W 24V Mono | 200 W | 2.9/5 | $171.57 |
| Newpowa 220W 12V Mono | 220 W | 3.0/5 | $180.59 |
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 | 150 W |
| Module efficiency | 20% (rated power over panel area) |
| Claimed efficiency | 22.6% (datasheet "maximum efficiency" (not labeled cell or module)) |
| Cells | Monocrystalline (10BB, 182 mm cells, 60 cells) |
| Bifacial | No |
| Electrical | |
| Open-circuit voltage (Voc) | 20.4 V |
| Voltage at max power (Vmp) | 17.4 V |
| Short-circuit current (Isc) | 9.1 A |
| Current at max power (Imp) | 8.6 A |
| Voc temperature coefficient | -0.4%/°C |
| Connections | |
| Output connector | Pre-attached 3 ft leads with male/female solar connectors |
| Build | |
| Weight | 18.5 lb (8.4 kg) |
| Dimensions | 38.6 x 30.1 x 1.4 in |
| Frame | anodized aluminum |
| Glass | low-iron tempered |
| Warranty | 2 years |
| Output warranty | 90% output for 10 years, 80% for 25 years |
Alternatives in this size
A starter kit for someone adding solar to an RV, camper or shed battery for the first time who wants the controller and wiring included. Buyers who already own a controller pay less per watt for panels alone.
Amazon $189.99For an RV owner adding a first panel, who wants the controller, cables and mounts from one maker. Buyers who already own a controller pay far less per watt for a panel alone.
Amazon $467.99Compare
Compare the Newpowa 150W 12V Mono with any other rigid solar panel →
More from Newpowa: every Newpowa product ranked.