【Simple Operation】Power on the battery in just 1 second by pressing the switch button, quick heating in 3 seconds with a maximum working power of 7.4V 3A, achieve faster and more intense heating by utilizing the DC port.
【Certified Safe】Built-in multiple protection safety system, protect your devices from over-current, overheating, overcharging, short circuit, over temperature. The built-in Li-polymer batteries adhere to the highest safety and quality standards to ensure complete safety for you and your devices
【Compact Size, Massive Power】 Ultra-compact, ultra-portable, it sizes only 60% of the other brand same capacity battery bank, 30000mAh super large capacity battery pack works as long as 16H, working 3 times longer as the battery pack that comes with your heated vests. Notice: The battery pack size may be larger than the one came with your heated jacket due to its larger battery capacity, please check the size before purchasing
【NOTICE】 It works with both 5V USB and DC 3.5/4.0mm 7.4V powered heated clothing
【What You Get】Shrink-wrapped gift box, 7.4V battery pack 30000mAh*1, USB to Type-C cable 50cm*1, user manual*1, DC35135 to DC4017 female adapter*1, 2 years quality insurance and life-time technical support
【Specially Designed for Heated Clothing】Comes with DC35135 port and an extra DC35135 to DC4017 adapter, the power bank can work for both 7.4V DC3.5mm and 4.0mm powered heated jacket/vest/coat/hoodies, there is an USB-A output port that supports 5V 2.4A fast charging for smartphone, tablet and other digital devices. Please use a wall charger to fast recharge the battery pack via the USB-C port