20-39 Watt Flexible Solar Panels & Solar Charger
Anker 21W Dual USB Solar Charger, Power-Port Solar
Manufacturer: Anker
Peak power: 21W
Dimensions 26.4 × 11.1 × 0.2 in
Weight: 14.7 oz
Number of Panels: 3
Transition Efficiency: 21.5~23.5%
The Anker 21W portable solar panel doesn’t take the number 1 spot on the best portable solar panel list for no just cause. It is no doubt the most popular portable solar panel which happens to also be foldable. It is designed to provide as much convenience as possible, with 2 USB power ports which produce 2.4 amps per port as well as the versatility of being compatible with a wide range of devices.
Its construction is sturdy and durable – one of the perks of using rugged polyester for the exterior of a portable solar panel. And to top things off, it just so happens to be lightweight as well, which makes it carting it around a breeze. And let’s not get started on the price – you’ll be pleasantly surprised.
Pros
Exterior is made with rugged polyester
Sturdy and durable construction
Cons
A few Anker batteries are not compatible with it.
SOKOO 22W 5V 2-Port USB Portable Foldable Solar Charger with High Efficiency Solar Panel, Reinforced and Waterproof
Manufacturer: Sokoo
Peak power: 22W
Dimensions: 12.6 x 6.5 x 1.4 inches
Weight: 1.1 Pounds
This 22W portable solar panel by Sokoo is praised for its water resistance.
However, that isn’t the only element the solar panels can withstand – from thunderstorms to high humidity – there is no end to what the solar panel can take while in the line of duty. Not to mention, its durability and battery life aren’t deterred by elements. The solar charger is framed in a PVC fabric canvas and has a Smart IC circuit with which it helps to extend battery life through the dual USB chargers which determine the type of device connected and what amount of output power is appropriate for the device.
What else would you be looking for besides a panel that can predict what your device needs?
Pros
Water resistant and durable
High conversion efficiency –
Dual USB smart technology
Portable.
SUNKINGDOM™ 60W 2-Port DC USB Solar Charger with High-efficiency Portable Foldable Solar Panel
Specs
Manufacturer: Sunkingdom
Peak power: 60W
Dimensions: 6.3 x 3.3 x 0.8 inches
Weight: 11 ounces
Transition Efficiency: 22%-25%
The SUNKINGDOM™ 60W High-efficiency Portable Foldable Solar Panel is designed from high qualtiy products that boasts a uniqe ability to be scratch resistant and waterproof. It is portable and ultra thin with an impressive folding size of 11.42 x 6.30 x 2.76inchesand weight of 3.1Ib. With the panels Exclusive PowermaxIQ Technology users are provides Automatic recognition and makes charger speed up to 23.5% high efficiency with dual port and a wide compabiltiy means that your USB ports are compatible with most 5V USB devices.
In addition to purchasing one 60W Folding solar panel , you get 1 x DC5521 male to DC5521 male; 10 x DC Laptop Connector; 1 x User Manual, and 12 months warranty.