Designed for 5V USB Heated Apparel: Directly compatible with 5V USB-heated vests, jackets, pants, hoodies & camping chairs. Experience extended warmth for 4-15 hours on a single charge. Features a custom-built chip for a continuous, stable output that keeps you safely warm 22.5W Ultra-Fast Input & Output: Delivers a top-tier charging experience both ways. Recharges the 20000mAh Bank in Just ~6 Hours that's 80% faster than sluggish 5V/2A chargers. Spend less time charging your gear and more time using it Lightweight and Portable Design: The HIMONI K110 is specifically designed for heated vests, weighing just 9.8 ounces. It offers 84% higher capacity than other similar models on the market, while being 20% lighter and 35% smaller in volume, perfectly balancing long-lasting battery life with portability Reliable Safety Assurance: The product has passed multiple authoritative certifications including UL, FCC, RoHS, and CE, ensuring safety and compliance. It features built-in