7.4V 30000mAh Heated Vest Battery Pack, Heated Stadium Seat Battery | Power Bank with 3.8MM DC Port and USB Port for HOPERAN Suteck Sekey Alpcour KOVNLO Venustas Most Heated Appreals

[30000mAh Large Capacity]: 30000mAh max capacity power bank not only can charge a heated vest, heated pants and heated stadium seat, providing up to 20 hours of running time for heating apparel.Also supports charging your smart devices multiple times, you don’t have to worry about power off.
[7.4V 5V Dual Output Ports]: This battery is built with DC 7.4V output and USB 5V output, it supports most 5V and 7.4V heating apparel, 7.4V output greatly helps on heating performance, it is heating rapidly and substantial increase in temperature.(NOTICE:the diameter of dc port is 3.8mm,which do not support ORORO heated vest)
[Up To 20 Hours Working Time]: Taking this battery pack with heated apparels to get the long-lasting warmth in the winter, it worked 6 hours on the high mode,8 hours on the medium mode,20 hours on the low mode.
[Safety Protection Design for Charger]: Equipped with a safety design that protects your device from over voltage, over current, over charge, short circuit and over discharge.
[Package Contents and UL Certified]: 1x 30000mAh power bank, 1x Micro-USB cable, 1x DC to USB cable, 1x DC 3.8mm to DC 4.0mm cable,1x user manual, 180 days guarantee, if you have any problems, please feel free to contact us for help.