Why does the actual output power of a 350 WATT solar suitcase typically fall below 350W in real-world use?

The actual output power of a 350W 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.

350 Watt Portable Solar Panel N-Type 16BB

$399.99

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

Technical Specifications

Model

ZOUPW-EZ350W
Maximum Power at STC (Pmax)

350W
Maximum Power Voltage (Vmp)

43.2V
Maximum Power Current (Imp)

8.1A
Opencircuit Voltage (Voc)

50.2V
Shortcircuit Current (Isc)

8.58A
Cell Type

Monocrystalline Silicon, N-Type 182 16BB
Surface Material

ETFE
IP Rating

IP68
Cell Efficiency

25%
Operating Temperature Range

-4°F ~ 140°F / -20°C ~ 60°C
Frame

Anodized Aluminium Alloy

Connection & Compatibility

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

Dimensions

Unfolded

94.13× 33.15 × 0.85in / 2391 × 842 × 21.5mm
Folded

23.92 × 33.15 × 3.44in / 605× 842 × 87.5mm
Weight

22.05±0.5lb / 10.067±0.2kg

1. 350W 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.Ground Nail × 4 Pcs
6. User Manual × 1 Pcs

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30-Day Money back

Professional Support

350 Watt Portable Solar Panel N-Type 16BB

$399.99

350 Watt Portable Solar Panel – Rugged Power, Anywhere You Go

Upgrade your off-grid experience with the ZOUPW 350W N-Type Portable Solar Panel—a high-efficiency, ultra-durable solution designed for Power Station, RVs, and providing backup after hurricanes.

25% Efficiency with N-Type 16BB Tech

Powered by premium A+ monocrystalline silicon cells, the 350W panel delivers up to 25% conversion efficiency. The N-TYPE 16BB design ensures optimal performance even in low-light conditions, minimizing energy loss and maximizing output.It can maintain stable performance under high temperature conditions

IP68 Waterproof and Built to Last

The ETFE surface and IP68 waterproof rating provide excellent protection against rain, dust, and abrasion. Lightweight yet tough, it maintains 80% efficiency after 20 years. Ideal for unpredictable weather during your RV trips or outdoor escapades.

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

Broad Compatibility with Power Stations

This 350 Watt folding solar panel comes with a 4-in-1 connector (DC7909, DC8020, XT-60, Anderson), supporting a wide range of power stations. Just make sure your station supports up to 43V input.

Note: The panel does not store power and needs to connect to a battery or power station.

Ultra-strong 4 adjustable kickstands

Upgrade your outdoor power with our 350W solar panel featuring reinforced PC material hinges that provide ultra-strong support for all 4 adjustable kickstands,no more worrying about breakage! Designed for ultimate convenience, it sets up in just 10 seconds. The rugged construction withstands repeated folding/unfolding for more than 5000 times while maintaining peak performance.Get reliable solar energy that's as tough as your adventures.

Multiple usage scenarios

Charge your RV battery or power station while parked or boondocking—no rooftop installation required.

Easy to set up, pack down, and reposition for optimal sunlight. Quiet and reliable, perfect for powering weekend escapes.

Keep your essential devices running during outages. A reliable emergency power source you can set up in your yard or balcony.

FAQS About 350 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 43.2V, so please ensure that your power station's input voltage range includes 43.2V.

The actual output power of a 350W 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 350W properly angled, its output power can reach over 300W. 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

350 Watt Portable Solar Panel – Rugged Power, Anywhere You Go

25% Efficiency with N-Type 16BB Tech

IP68 Waterproof and Built to Last

Broad Compatibility with Power Stations

Ultra-strong 4 adjustable kickstands

350 Watt Portable Solar Panel N-Type 16BB

350 Watt Portable Solar Panel – Rugged Power, Anywhere You Go

25% Efficiency with N-Type 16BB Tech

IP68 Waterproof and Built to Last

Broad Compatibility with Power Stations

Ultra-strong 4 adjustable kickstands

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Customer Reviews

Multiple usage scenarios

FAQS About 350 Watt Portable Solar Panel N-Type 16BB