Why does the actual output power of a 450 WATT solar suitcase typically fall below 450W in real-world use?

The actual output power of a 450W solar panel is typically lower than its rated power due to several factors:Solar Irradiance: Rated power is measured under Standard Test Conditions (STC), which assume optimal conditions: 1000W/m² of sunlight, a panel temperature of 25°C, and direct sunlight. In real conditions, sunlight intensity is often lower due to cloud cover, time of day, or geographical factors, leading to reduced output.Temperature: Solar panels lose efficiency as their temperature rises. High temperatures cause a decrease in output power, as most panels have a negative temperature coefficient, meaning their output decreases as the temperature increases.Angle and Orientation: If the panel is not positioned to directly face the sun or at the optimal angle, it will receive less sunlight, resulting in lower output.Panel Aging: Over time, solar panels degrade, and their efficiency decreases. Typically, panels retain around 80% of their original output after 25 years.Shading: Even partial shading (from trees, buildings, etc.) can significantly reduce a panel's output, as it affects the entire panel's performance.

450 Watt Portable Solar Panel N-Type 16BB

$499.99

High-efficiency N-Type 16BB cells with a 25% conversion rate.
Durable ETFE layer for waterproof, dustproof, and high-temperature resistance.
Retains 80% Output after 20 Years.
20% lighter than standard 400w panels & foldable design with aluminum frame—perfect for outdoor use.
Wide compatibility with power stations.
Enhanced low-light performance
5-Year Warranty.

Quantity

Specifications

Model

EZ450W
Maximum Power at STC (Pmax)

450W
Maximum Power Voltage (Vmp)

38.3V
Maximum Power Current (Imp)

11.7A
Opencircuit Voltage (Voc)

45.9V
Shortcircuit Current (Isc)

12.4A
Cell Type

Monocrystalline Silicon, N-Type 182
Surface Material

ETFE
IP Rating

IP68
Cell Efficiency

25%
Operating Temperature Range

-4°F ~ +140°F / -20°C ~ +60°C
Frame

Anodized Aluminium Alloy

Dimensions

Unfolded

121.85 × 34.57 × 0.79in / 3095 × 878 × 20mm
Folded

30.43 × 34.57 × 3.54in / 773 × 878 × 90mm
Weight

26.78±0.5lb / 12.15±0.2kg

Connection & Compatibility

Supports DC8020, DC7909(8.0), XT60, Anderson and universal solar connectors.
Wide compatibility with power stations.

1. 450W N-Type Foldable Solar Panel × 1 Pcs
2.Solar Connectors Extension Cable × 1 Pcs
3. Solar Connectors to DC7909(With DC8020 Adapter)/XT60/Anderson Cable × 1 Pcs
4. Storage Bag × 1 Pcs
5. User Manual × 1 Pcs

We provide a 1-year warranty service for the Cable/Adaptors, a 5-year warranty service for the Foldable Solar Panel.

Free & Fast Shipping

30-Day Money back

Professional Support

450 Watt Portable Solar Panel N-Type 16BB

$499.99

ZOUPW 450 Watt Portable Solar Panel delivers 25% efficiency, IP68 waterproofing, and a foldable design. Perfect for Power Station, RVs, and providing backup after hurricanes.

25% Unparalleled Conversion Efficiency

ZOUPW 450W Portable Solar Panel with 25% efficiency, using premium A+ monocrystalline silicon for maximum energy output. The N-TYPE 16BB design ensures optimal performance even in low-light conditions, perfect for RVs, homes, and camping trips.

25% Unparalleled Conversion Efficiency

IP68 Waterproof and Built to Last

Built for the outdoors, this 450 Watt solar suitcase is IP68 waterproof, with an ETFE coating to withstand harsh conditions. It’s perfect for camping, RV trips, or emergency backup during blackouts, providing reliable power even in extreme weather.Designed for long-term performance, the rv portable solar panel retains 80% of its power output even after 20 years of use.

Note:Please do not submerge the solar panels portable in water.

Broad Compatibility

Designed for large-capacity solar generators, this folding solar panel comes with a 4-in-1 solar cable, supporting multiple connectors for seamless compatibility. Ideal for powering your RV, home, or outdoor adventures. Note: This panel doesn't store power and make sure the input voltage range of your power station accommodates 38V

Emergency Power for Hurricane Preparedness

This 450W Solar Panel ensures you have backup power during hurricanes or outages, keeping your devices running as long as sunlight is available. Essential for hurricane preparedness and off-grid living.

Lightweight and Durable

This 450W folding solar panel is 20-30% lighter than traditional models, weighing only 26.78 lbs. Made with advanced fiberglass for enhanced durability and corrosion resistance, aluminum frame for solar panel,it’s an ideal solution for portable power during outdoor activities.

FAQS About 450 Watt Portable Solar Panel N-Type 16BB

Please read the product detail page carefully before placing your order. This solar panel comes with a solar charging cable that includes four connectors: XT-60, Anderson, DC7909, and DC8020. Before purchasing, please confirm that your power station's solar interface is compatible with at least one of these four connectors. Additionally, the output voltage of this solar panel is 38V, so please ensure that your power station's input voltage range includes 38V.

The actual output power of a 450W solar panel is typically lower than its rated power due to several factors:

Solar Irradiance: Rated power is measured under Standard Test Conditions (STC), which assume optimal conditions: 1000W/m² of sunlight, a panel temperature of 25°C, and direct sunlight. In real conditions, sunlight intensity is often lower due to cloud cover, time of day, or geographical factors, leading to reduced output.
Temperature: Solar panels lose efficiency as their temperature rises. High temperatures cause a decrease in output power, as most panels have a negative temperature coefficient, meaning their output decreases as the temperature increases.
Angle and Orientation: If the panel is not positioned to directly face the sun or at the optimal angle, it will receive less sunlight, resulting in lower output.
Panel Aging: Over time, solar panels degrade, and their efficiency decreases. Typically, panels retain around 80% of their original output after 25 years.
Shading: Even partial shading (from trees, buildings, etc.) can significantly reduce a panel's output, as it affects the entire panel's performance.

In full sunlight (with irradiance above 800W/m²), and with the portable solar panel 450W properly angled, its output power can reach over 400W. However, if the sunlight intensity is lower, such as when there are clouds obstructing the sunlight, the panel's output power will decrease.Generally, you can expect the rv solar panel to perform well in most situations, but it's important to consider that real-world conditions may result in lower power output than the maximum rated value

Fantastic panel

This is a superior product. I was very impressed with partial clouds and full sun. 200 to 450+ watts. Charged my 2000WH power station quickly. Easy to setup.

447 watts

March 22, 55 degrees Fahrenheit. Location 39 deg N. 12:30 pm. Peak output 447 watts. Filled my 1kWh battery in about two hours in partial sun. Happy customer here!

Great product

Very durable, well-made product, easy to set up and choose the correct angle. Consistently pulled over 400 Watts to my Anker Solex.

Great Panel

This panel is the real deal! Witnessed 470 watts on a less than perfect day charging a Pecron E3600LFP. Only issue so far has been one of the legs came loose and fell off but easy fix and produces more than advertised. Great value!

You can't miss out on this great portable solar panel ZOUPW 450 Watt Portable Solar Panel

This solar panel is absolutely amazing. Most panels I have reviewed online deliver 70 - 80 % of their rated power. I have not had a clear day when charging my Bluetti AC300/B300K solar generator so far, but I have seen short spells of over 500 watts on the app for the PV charging rate. I live in Trinidad, West Indies and our climate is HOT.... yet even with the negative temperature coefficient I see consistently when the sunshine is out more than the rated 450 watts on the charging rate. In temperate climates I can imagine what this panel is capable of producing in cooler temperatures. Because of buildings and trees I place the panel on a kennel and the galvanise sheets get really hot. You have to be cautious removing the panel when completing a charge on a hot day as the portable panel gets really hot. I don't even bother to adjust the panel angle, as it stays flat and gets over 400 watts in this orientation after 4 p.m. The build is robust and weight is manageable at 27 pounds, for a panel this large. I cannot say how fast it would recharge the Bluetti generator from a low state but at better than 400 watts for 6 hours would refill the unit from a low state. I would unreservedly recommend the ZOUPW 450 watt portable solar panel as a GREAT BUY for all the right reasons:- price, portability, build quality, delivering better than rated power, accessories, carrying case and plug and play ability. The only problem is I did not get a test sample !!!!! hahahahahahaha , well you can't get everything in life!! great job ZOUPW..........

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ZOUPW 450 Watt Portable Solar Panel delivers 25% efficiency, IP68 waterproofing, and a foldable design. Perfect for Power Station, RVs, and providing backup after hurricanes.

25% Unparalleled Conversion Efficiency

IP68 Waterproof and Built to Last

Broad Compatibility

Emergency Power for Hurricane Preparedness

Lightweight and Durable

450 Watt Portable Solar Panel N-Type 16BB

ZOUPW 450 Watt Portable Solar Panel delivers 25% efficiency, IP68 waterproofing, and a foldable design. Perfect for Power Station, RVs, and providing backup after hurricanes.

25% Unparalleled Conversion Efficiency

IP68 Waterproof and Built to Last

Broad Compatibility

Emergency Power for Hurricane Preparedness

Lightweight and Durable

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Customer Reviews

FAQS About 450 Watt Portable Solar Panel N-Type 16BB