The Sandberg Survivor Power Bank is the ultimate backup option for charging smartphones and other mobile USB devices. Packaged in a robust, IP67-certified casing, this power bank is extremely durable. Waterproof, shockproof, and dust-resistant, it can be taken almost anywhere – whether for white-water rafting, mountain climbing, at festivals, or camping – the list is endless. The massive 20,100 mAh high-performance battery provides enough power to charge a typical smartphone eight times, making you independent from the power grid for over a week. Additionally, it can charge two USB devices simultaneously and features a powerful built-in flashlight with a range of 30 meters.