To keep you in the field longer, the TUO 7.4v 10000mAh Battery Pack is designed to supply power to your Molten Heated Vest. Along with your phone, camera, and other devices using the two charging ports. Two different outputs (USB-A & DC) for safely powering or charging multiple devices at once. Recharge the bank with the included USB-A to USB-C cable. When used properly, the Battery Pack protects itself from surges, overcharges, overheating, and more. It is also airplane approved, allowing you to keep your devices charged when you're on-the-go. What's In The Box10000mAh Battery Pack with a USB-C 5V/2A input, 2 outputs (1 USB-A & 1 DC), a USB-A to USB-C cable, and a user manual.