A high-tech set of portable solar panels with two USB ports to allow for the charging of several devices simultaneously. Though this set of panels does not include any power storage options, it's a good choice for low-to-medium users on trips that might last a few days.
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Pro Identifies most effective voltage for devices
The Anker is equipped with technology to identify the most effective charging conditions for devices plugged in, to offer the quickest charge without wasted energy. Keep in mind that this requires a relatively strong level of direct sunlight to utilize.
Pro Higher-voltage panels can handle more power-hungry devices
21W panel set can accommodate larger or more power-hungry handheld devices, able to charge a tablet and a phone simultaneously.
Pro Eyelets allow panels to be strapped to a backpack
These panels can be laid out or propped against an object while stationary, or tied to a backpack in order to charge while on the move.
Pro As portable as a tablet
When folded, this set of panels is about one foot by six inches, slightly larger than an iPad. With a basic bag or a backpack, the panels won't be a massive drain on available space. This particular set of panels weighs in at 14 oz (less than a pound), so it won't be a major impact on most hikes or backpacking trips.
Con Lacks water resistance
The Anker does come with a polyester sleeve that can provide some protection, but the unit is not water-resistant, so care must be taken in the rain or other wet conditions.
Con Monochromatic panels are less efficient than modern options
The Anker Powerport Solar uses a more dated monochromatic panel that, while more durable than modern options, is generally heavier and usable in fewer scenarios than modern (CIGS) equivalents.
Con No included battery storage
This set of panels don't come with a battery, so charging will be impossible in poor weather conditions and night time. The user can overcome this by providing their own battery.