About this item

• [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.
• [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.
• [Included in the Package]: 1x 30000mAh portable power bank, 1x Type-C charging cable, 1x instruction manual, 1x DC to USB cable, 1x DC 3.8mm to DC 4.0mm cable, a hassle-free 12-month warranty, and 24/7 attentive customer support. Should you encounter any issues, please reach out to us, and we'll respond within 12 hours.
• [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.
• [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.