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Description
DAHUA PFM371-150 150W Solar PanelPFM371 150 150W Solar Panel >Four main grid battery piece: has a more uniform current collection capability, reduce current loss of internal battery board, and has a more beautiful appearance; >Efficient: the conversion efficiency of the battery is up to 17. 2%; >Good weak light performance: use excellent surface texturing technology of the glass and battery piece; >Strong load capacity: through 2400Pa wind load and 5400Pa snow load certification.
PFM371-150
150W Solar Panel
>Four main grid battery piece: has a more uniform current collection capability, reduce current loss of internal battery board, and has a more beautiful appearance;
>Efficient: the conversion efficiency of the battery is up to 17.2%;
>Good weak light performance: use excellent surface texturing technology of the glass and battery piece;
>Strong load capacity: through 2400Pa wind load and 5400Pa snow load certification.
>Harsh environment adaptability: suitable for a variety of harsh environments, such as high altitude, high salt fog, high cold, etc.
>Efficient: the conversion efficiency of the battery is up to 17.2%;
>Good weak light performance: use excellent surface texturing technology of the glass and battery piece;
>Strong load capacity: through 2400Pa wind load and 5400Pa snow load certification.
>Harsh environment adaptability: suitable for a variety of harsh environments, such as high altitude, high salt fog, high cold, etc.
Product Data
| Model | DH-PFM371-150 |
| Electrical parameter | |
| Max. power(Pmax) | 150Wp |
| Max. power point voltage(Vmp) | 36.58V |
| Max. power point current(Imp) | 4.10A |
| Open circuit voltage(Voc) | 44.19V |
| Short circuit current (Isc) | 4.62A |
| Efficiency of battery piece | 17.2% |
| Max. power temperature coefficient | -0.47%/ ºC |
| Temperature coefficient of open circuit voltage | -0.38%/ ºC |
| Temperature coefficient of short circuit current | 0.04%/ ºC |
| Working temperature | -40ºC~+85ºC(-40℉~+140℉) |
| Structural parameter | |
| Dimension of battery cells | Polycrystalline silicon, 156mmx72mm(6.14”x2.83”) |
| Quantity of battery cells | 72pcs(6*12) |
| Glass | 3.2mm(0.13”). High permeability, low iron, tempered glass |
| Backsheet | Triple-layer backsheet, white |
| Packaging material | High permeability, EVA |
| Frame | Anodic alumina |
| Junction box | IP65, with diode |
| Connector | MC4 compatible connector |
| Weight | 12.0kg(26.46lb) |
| Dimension | 1010mmx990mmx35mm(39.76”x38.98”x1.38”) |
| Cable length | 900mm/4.0mm2 |
| Max. mechanical load | Wind pressure: 2400Pa; Snow pressure: 5400Pa |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 4
Mostly great, except one little annoyance
Color: Black&Silver, Color: Black&Silver
Pros- lightweight, small, very accurate, easy to clean, timer included.
Cons- I use this to brew espresso on my Breville Touch and to get an accurate reading, you have to place something flat (structured) under the scale. Otherwise the reading just jumps all over the place. I know lot of espresso machines have the same base, so this might be an issue for some!
This is my reason for 4/5 stars. It’s an easy fix, it’s just kind of annoying. Value for the price seems to be on point. It’s easy to clean. It has a timer as well as scale (nice for espresso). Buttons work the first time you push them.
That’s it that’s all
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Reviewed in the United States on January 31, 2026
★★★★★ 5
A solid upgrade!
Size: 53mm, Size: 53mm
This coffee tamper has been such a nice upgrade to my espresso routine. It has a solid, balanced weight that makes tamping feel smooth and effortless, and the textured grip gives it a really comfortable, secure feel in hand. There’s something satisfying about how neatly it presses down the coffee grounds—like it was made to fit perfectly.
Since I started using it, my shots have been more consistent, with a beautiful crema and better flavor overall. If you’re looking for a tamper that’s simple, well-made, and does its job really well, this one’s definitely worth it.
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Reviewed in the United States on March 22, 2025
★★★★★ 5
It's pretty
Size: 51mm
I've never had a tamper, I don't know what I'm doing. But it seems to work just fine and I like the wood.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Nice Upgrade
Size: 58mm
Its a really nice upgrade to my setup. Feels well made and solid build.
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Reviewed in the United States on January 28, 2026
★★★★★ 4
nice built, simple one-spring design.
Size: 58mm
solid precision built. weight shy of 17oz (478g), aesthetically pleasing. the plunge operation quite smooth. took one star off per its one spring design, you tamp with whatever weight you put on it.
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Reviewed in the United States on February 8, 2026