About this item

• [30000mAh Professional Heated Vest Battery] : A perfect accessory for your electronic devices. This compact and lightweight heated vest power bank is designed to be easily carried with you wherever you go. 30000mAh Huge capacity can charge heated vest/heated jacket for 4-10 hours, ensuring your devices never run out of battery.
• [DC and USB Dual Ports] : The portable battery for heated vest both USB and DC connections, allowing you to charge a wide range of devices. From smartphones and tablets to heated vests. No matter what device you have, this battery pack for heated jacket has you covered. Note: compatible with the devices with 3.8mm and 4.0mm dc connector.
• [Change USB to DC Input]: YMTHE power bank is equipped with an extra DC to USB power cable for the heating vest only built in the USB port,so this item is so different from other ordinary USB battery,it can be increased with the output power, and then increase the heating temperature, and thus enhance the heating effect of your heated vest.
• [Digital Display Screen & CE/UL Certification]: Built-in an accurate LED display shows the remaining power .And this YMTHE battery uses Li-polymer cells and passed UL /CE certification, built-in multiple protection programs to avoid short circuit and overcharge of your equipment.
• [What You Get] : 1x 30000mAh portable battery charger, 1x type-c cable; 1x user manual, 1 x dc to usb cable, 1 x dc3.8mm to dc4.0mm cable, our worry-free 12 months warranty and 7 day/ 24h friendly customer service. If you have any problems, please contact us and we will solve it within 12h.