klarus K5 Portable Charger, Ultra-Light 10000mAh Mini Power Bank, USB C Input and Output, IPX8 Waterproof Quick-Charge Suitable for Phones Flashlight Headlamps etc. - EU-K5-1

• 【IP68 Waterproof】Used one-piece carbon fiber shell made of thin and delicate carbon fiber material, it safeguards against short-circuit, overcharge, over discharge, or overheat. IP68 Waterproof, KLARUS K5 can be used in extremely harsh environments. 【Low Temperature Operation】At -20 degrees Celsius, the KLARUS K5 also puts out 5,000-8,000 mAh, at -25 degrees Celsius, about 5,000-7,000 mAh, at -30 degrees Celsius, about 4,000-6,000 mAh, and at -35 degrees Celsius, about 1,500 mAh. In icy weather, the KLARUS K5 still has an effective power supply output! 【High Capacity But Thin and Compact】 10000mAh capacity power bank, can fully charge most phones three times with power to spare. Using a new type of high-density polymer battery, has a larger capacity under the same volume, only weighs 0.34 pound, 4 inch long, 2.5 inch wide, and 0.5 inch high. The compact design is convenient for you to carry around 【Support for Charging Small Devices】Unlike most mobile power sources, KLARUS K5 can not only charge cell phones and tablets, but also fitness trackers, smartwatches and other small current devices. 【Battery Display】Mobile power portable charger built-in high-precision LED digital display, can accurately reflect the remaining battery percentage, input and output status, no more guessing whether you need to charge or not allows you to easily track the battery status. 【USB-C Charging】Built-in one USB-C port and one USB port, you can charge two devices at the same time. 【Honest Tips】All 10,000mAh power banks advertise this capacity, but due to energy conversion losses, they can't fully deliver 10,000mAh to your device. If you've used a power bank before, you're likely familiar with this reality.