The Solar Adventurer II is Powertraveller's latest power pack with integrated solar panels. It’s a small-sized, 10,000mAh/37Wh battery pack with great features and a neat, yet unobtrusive, design.
The Solar Adventurer II is aimed at those users who want to charge devices with a modest appetite for electrical power, i.e., smartphones, sat phones, tablets, and Type C PD laptops. It’s IP65 certified, which means it’s dust and waterproof, and it delivers 5V/3A, 9V/2A, and 12V/1.5A PD at 18W maximum. The USB-A output supports Quick Charge 3.0. The unit is about the size of a larger smartphone, but thicker, and it’s also quite heavy. It has a lid that opens up to reveal two last-generation solar panels. These are capable of recharging an almost completely depleted unit in about 4 to 6 hours, depending on available sunlight. I tested it under an early November sun, and it matched that claim pretty well. I also found out that you can position the lid with the top solar panel at any angle you like, as well as open it to 180° to make a flat surface across the two panels.
Two of the unit’s rounded corners have holes through which you can route a lanyard, while the lid has a small round-corner handle that serves as the slot for a Velcro strip to help the unit stay firmly closed when it’s not recharging. By the way, you can charge the unit while it’s powering equipment. It’s perhaps a silly way to describe a power pack, but the Solar Adventurer II is a cute device. It’s the kind of battery pack you can quickly toss in a backpack but just as easily keep in the pocket of a winter coat. If it weren’t so heavy and thick, it would probably even fit a trekking shirt pocket.
As for the usefulness of the Solar Adventurer II, my iPad Air 2 recharged fully and consumed about 70–75% of a full charge. That means if you recharge your tablet in the morning, you can recharge it again in the evening, provided there’s enough sunshine, of course.
Written by Erik Vlietinck.
Photo Credit - Kevin Merrey
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