It’s important we’re able to keep our devices powered up whenever we need them and wherever we are. And this is exactly where the RoamProof PWR27 Traveling Power Station comes in. This power bank can endure just about anything. Not only is it waterproof and drop-proof, but it’s also crush-proof. No matter what kind of life you lead or how prone you are to breaking devices, the PWR27 can handle it. It’s a 27,000 mAh battery that can charge up to four devices at one time. This includes a computer or other device that uses a 120V three-prong outlet. At 99wH, it’s the largest possible battery approved by the TSA, making this traveling power station perfect for the busy business traveler. You can go for the USA or international version to suit your needs. The PWR27 is perfect for long-term nomads who spend time hopping through several countries.