“For Half Dome Hiker that wants to guarantee the shot when he gets to the top! Have the ultimate power to charge your phone or tablet, off the grid; Energizer’s PowerKeep Wanderer features lightweight solar panels with a 10,000 mAh power bank which allows consumers to haul their gear and charge their devices. The durable, flexible, removable lightweight solar panel (not clunky at all) was created by Ascent Solar Technologies. PK10K power bank can be charged from the sun, AC, or any USB charging port. The backpack also features a 2L hydration bladder so you won’t be thirsty when you get to the top. So whether it’s music, photos, or video, rest assured you’re iPhone 10 will have plenty of juice!”

Read the full product review guide on Santa Monica Observer.