./ Heated Vest Battery Pack, Power Bank with USB/Type-C/DC (3.5/3.8/4.0) Output and LED Display, for Heated Vests, Hoodies, and Jackets up to 12H

Adapt DC/USB/Type-C Out Ports: The battery pack is compatible with nearly all 7.4V DC and 5V USB heated vests in the market. With DC4.0/3.8/3.5 mm port (The round plug can be converted to DC 3.8/3.5 mm by the included conversion cables). The Type-C ports support fast charging input and output but lack DC12V output. 12HRS Working Time: 16000 mAh capacity, provides 4-12 hours of long-lasting warmth for 7.4V/5V heated vests, designed for most heated vests, heated jackets, and heated hoodies. Can fully charge iPhone 15 about 4 times. 9 oz. Lightweight: Weighs only 9 oz/256 g, 24% lighter than similar products. The size is 20% smaller than other 16000mAh battery packs about two-thirds the size of a regular-sized smartphone and twice as thick as an iPhone. Putting it in the zipper pocket will not affect your activities. Fast Charging and Recharging: The battery pack fully charges in under 5HRS with a 5V/3A charger. Avoid charging other devices during heated vest charge for safety and