One of the most durable power banks I've traveled with is also one of the slimmest

• Rugged, reliable, IPX8 rated power bank built for adventure
• 30W power output makes it a good choice for tablets and even smaller laptops
• Beware, only one of the two USB-C ports support charging.

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If there's a "secret" that power bank manufacturers don't want customers to know, it's that most power banks are built for a gentle life. When I talk about durability, several companies have told me that power banks are primarily used at in warm, dry air-conditioned homes and offices, on sofas and beds and carpeted floors, not in cold, damp woodlands or icy mountains. 

Well, I want power banks that can survive damp woodlands, icy mountains, and more. Wet and damp and drops are a fact of life when outdoors, and the truth is that most consumer power banks just ...