Big Power. Compact Form. Built for the Outdoors. The LITEGUEST Ultra-Compact 20,000 mAh Power Bank is engineered for adventurers and tech-savvy users who demand serious power and reliable performance in a compact, outdoor-ready design. With 22.5W high-speed output, it efficiently powers LITEGUEST heated apparel and gear, cooling fan apparel and gear, as well as a wide range of USB-powered devices-keeping you warm, cool, and connected wherever the journey takes you. Whether you&';re on the golf course, hiking a winter trail, working outdoors, or traveling long distances, this power bank is built to keep your gear running when it matters most. Key Features Ultra-High Capacity - 20,000 mAh Provides extended runtime for mobile devices and LITEGUEST heated & cooling wearable gear, ideal for full-day outdoor use. Fast 22.5W High-Speed Charging Supports rapid charging for compatible devices and fast recharging of the power bank itself. Multiple Output Ports USB 5V/2A, DC 12V/3A, and Type-C input/output offer versatile compatibility with outdoor electronics, apparel, and gears. LED Digital Display Real-time battery percentage with 1% accuracy, so you always know how much power you have left. Ultra-Compact & Lightweight Measures 3.62 x; 2.56 x; 1.30 in and weighs just 10.58 oz-easy to carry in backpacks, pockets, or gear compartments. Premium Outdoor-Ready Build Durable matte polycarbonate shell with skin-touch coating, designed to withstand daily outdoor use. Integrated Fan Control When paired with LITEGUEST fan-powered apparel, the fan is ready to operate once the power bank is turned on. Press the fan gear&';s power button once to cycle through 4 adjustable fan speed levels. Integrated Heating Control When paired with LITEGUEST heated apparel or gears, heating levels are adjusted directly on the gear&';s built-in power button. To activate heating:Press and hold the heating gear&';s power button for 3 seconds. To adjust temperature:Use the heating gear&';s power button to switch between heat levels. To power off:Press and hold the heating gear&';s power button again for 3 seconds. Important Note The power bank must be powered on before operating fan or heating functions. Specifications Attribute Details Brand LITEGUEST Battery Capacity 20,000 mAh Battery Type Grade-A High-Density Ternary Lithium Max Output Power 22.5W High-Speed Output Profiles USB 5V/2A, DC 12V/3A Input Type-C / DC Charging Time Approx. 6 hours with 18W+ fast charger Dimensions 3.62 x; 2.56 x; 1.30 in Weight 10.58 oz Display LED Digital Screen (1% accuracy) Color Options Black / White Perfect For LITEGUEST heated jackets, pants, and heated gears LITEGUEST cooling fan apparel and summer gears Smartphones, tablets, and small electronics Golf, hiking, camping, outdoor work, and winter sports Daily commuting and long-distance travel Stay powered. Stay comfortable. Stay outdoors.The LITEGUEST 20,000 mAh Ultra-Compact Power Bank is your reliable on-the-go energy solution.