18400MAH FAST CHARGE BATTERY PACK- Enjoy up to 10 hours of continuous warmth when paired with USB 5V/12V DC heated apparel. This powerful heated jacket battery pack can fast charge an iPhone 15 or Galaxy S23 up to 3.5 times (up to 18W). For rapid recharging, we recommend using a 5V/3A, 9V2A, or higher wall charger, allowing you to fully recharge in just 6 hourssaving you time while keeping you cozy. UNIVERSAL COMPATIBILITY - Compatible with DEWBU and Wulcea heated jacket, as well as all USB 5V heated apparel and most 12V DC heated apparel with 4.0mm, 3.8mm, or 3.5mm connectors (using the changeover cable included). Note: No DC 7.4V output. The USB and Type-C ports can also charge phones and other mobile devices. The LED display allows for easy monitoring of remaining battery life. LIGHTWEIGHT AS 9.8OZ - GOTOBI 18400mAh battery pack for heated jacket boasts 84% more capacity than other models on the market while weighing only 9.8oz. It is 20% lighter and 35% smaller than comparabl