Choosing the right solar panel for your needs can be challenging, especially with multiple options available. In this comparison, we’ll break down the differences between portable, flexible, and rigid solar panels based on material, efficiency, weight, use cases, and installation methods. Whether you need a lightweight, mobile power solution or a permanent solar installation, this guide will help you decide.
Material and Efficiency
All three solar panel types—110W portable, 100W flexible, and 100W rigid—use monocrystalline silicon cells, offering high efficiency at around 23%. However, they differ in their design:
- Portable Panel: Contains 32 cells, slightly increasing wattage and voltage.
- Rigid & Flexible Panels: Each has 30 cells and slightly lower voltage compared to the portable model.
- Voltage & Current Output:
- Portable: 18.4V (6A), VOC 21.8V, ISC 6.5A
- Rigid & Flexible: 17.1V (5.9A), VOC 20.3V, ISC 6.3A
Size and Weight
Weight plays a crucial role in portability and installation. Here’s how they compare:
- Flexible Panel: ~5.1 lbs, ultra-lightweight for easy handling.
- Portable Panel: ~8.8 lbs (without case), ~11 lbs (with case).
- Rigid Panel: ~13.5 lbs, the heaviest but the most durable.
Use Cases and Benefits
1. Portable Solar Panels: Best for Camping & RVs
- Ideal for on-the-go use.
- Foldable, waterproof, and easy to carry.
- Pairs well with solar generators like EcoFlow River and Delta series.
- Perfect for camping, road trips, and emergency backup power.
2. Flexible Solar Panels: Best for Curved Surfaces & Temporary Installs
- Designed for boats, RVs, and irregular surfaces.
- Bendable up to 258 degrees for easy installation on non-flat areas.
- Lightweight, requires no drilling, and can be installed using adhesives or VHB tape.
- Great for mobile applications where rigid panels aren’t suitable.
3. Rigid Solar Panels: Best for Permanent Installations
- Built with anodized aluminum frames and tempered glass for durability.
- Ideal for fixed installations on rooftops, RVs, and off-grid setups.
- Can withstand harsh weather conditions like snow, rain, and wind.
- Longest lifespan: 25-40 years (compared to 5-15 years for flexible panels).
- Requires professional mounting and installation.
Setting Up Your Solar Panels for Maximum Efficiency
To get the best performance from your solar panels:
- Ensure a direct line to sunlight without any shade or obstructions.
- Use MC4 connectors to connect your panels correctly (Red to Red, Black to Black).
- Position panels at the right angle to maximize solar input.
Testing Solar Panel Output
A real-world test showed:
- Portable Panel: 70-75W input.
- Flexible Panel: 75-77W input.
- Rigid Panel: 76W input.
Despite slight variations, all three panels perform similarly in optimal conditions.
Which Solar Panel Should You Choose?
- For mobility & travel: Choose a portable panel.
- For curved & temporary surfaces: A flexible panel is the best fit.
- For long-term, high-durability installations: Go with a rigid panel.
At Today Generator, we offer a range of high-efficiency solar panels, including larger wattage options up to 400W. Whether you need power for camping, off-grid living, or home backup, we have the right solar solution for you.
Check out our collection and start your solar journey today!