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Looking for a powerful, portable solar charger? Check out our review of the FlexSolar 40W Portable Solar Charger. We’ll tell you everything you need to know about this charger, from its features to its performance. Plus, we’ll let you know if it’s the right charger for you.
I was looking for a solar panel to take camping with me and came across the FlexSolar 40W Portable Solar Charger. I liked that it had QC3.0 USB-C DC Output Ports, as well as being waterproof and compatible with iPhone 13/12/11/Xs/X/8/7, iPad, Samsung Galaxy LG, etc. I thought it would be perfect for charging my devices while I was away from home.
My Experience With FlexSolar 40W
I also lived through the Texas power shutdown in our unusual freeze. This device would have been a game changer. In the freeze, even a small solar generator paired with two of these panels and the right cables in parallel, can run a 12v heating throw blanket, charge an iPad, or laptop, and run fans.
DescriptionFlexSolar 40W Portable Solar Charger. This charger is lightweight and compact, making it perfect for traveling.
A ten-watt LED lamp is a useful send after being in the dark all night long, not to mention all the books, and movies to make it through entertainment-wise, knowing these solar panels can and will charge my portable batteries.
I am very happy with this product and am seriously considering another panel from Flexsolar.
Customer reviews on Amazon are positive overall, but there were a few niggling points raised. said I find it very difficult to get (the) lid on getting it in place takes quite a bit of negotiation. It is a great solar charger, and if you are looking for one that is portable and has QC3.0 USB-C charging, then this could be the one for you.
About FlexSolar 40W
The FlexSolar 40W Portable Solar Charger is a highly efficient solar panel that converts 24% of solar energy into free energy in enough sunlight.
With an integrated USB(3.0), PD Type-C, and DC three charging ports, it is versatile to top up any power banks, phones, tablets and Type-C laptops, and small capacity portable power stations.
With a small size of 8.0x 11.1x 1.8 inches (when folded) and a lightweight design of 2.86lbs(1.3kg), the hiking buckle makes it ideal for attaching to your backpack while hiking or walking around town.
|Max Power Delivery||40W|
|Maximum Voltage||5 Volts|
|Solar Cell Efficiency||24%|
|Output Port||USB(3.0), PD Type-C, and DC|
|Dimensions||8.0x 11.1x 1.8 inches|
Portable & Folding
This solar charger is a great choice if you’re looking for something portable and compact. It’s easy to take with you on the go, and it folds up nicely so that it doesn’t take up too much space. Plus, the fact that it’s waterproof makes it ideal for camping or any other outdoor activities.
Highly Efficient Solar Conversion
This solar panel charger is extremely efficient at converting sunlight into electrical energy, making it perfect for camping and other outdoor activities. With its high-efficiency solar cells, this charger can produce up to 40 watts of power, enough to charge multiple devices at once.
Additionally, it has a built-in QC3.0 USB-C port that allows for fast charging of compatible devices.
Solar panel type by performance
- Highest performance: Monocrystalline panel’s efficiency range from 17% to 26%.
- Mid-tier performance: Polycrystalline panel’s efficiency range from 15% to 17%.
- Lowest performance: Thin film panels that commercially have an efficiency range from 10–13%.
how many watts of solar panels do I need?
^ Above table solar cell efficiency at 24% & also depends device maximum supported charging speeds.
Smart IC Chip Technology
The smart IC chip technology in this solar charger is responsible for identifying and delivering the optimal charging current for connected devices. That means your devices will charge faster, and you won’t have to worry about overcharging or damaging your batteries.
This portable solar charger has wide compatibility as it can be used to charge iPhones, iPods, Samsung Galaxy phones, and iPhones. It is also compatible with other USB devices such as power banks and portable speakers.
This makes it a great choice for those who have different types of devices and want to be able to charge them all from one convenient solar charger.
Package & Support
This solar charger comes with everything you need to get started, including a USB-C cable and an instruction manual. It’s also backed by a 12-month warranty for peace of mind.
In short, the FlexSolar 40W Portable Solar Charger is a great product that living Robert successfully charges phones and other devices while camping.
It is also waterproof and very durable, making it a great choice for those who are looking for a reliable solar panel charger.