To keep you on the water longer, the Whitewater 7.4v 10000mAh Battery Pack is designed to supply power to your Torque 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, overcharging, overheating, and more. It is also airplane-approved, allowing you to keep your devices charged when you're on-the-go. Our new 7.4-volt battery packs include a smart safety feature that keeps them in "sleep mode" until activated. This helps prevent accidental power drain and ensures the battery delivers full performance when you need it. Here's how to start things up: Plug the battery into your vest. Press the small button on the side of the battery once to "wake it up." Then press the power button on the chest of the vest to turn it on. That's it! Once the battery is awake, your vest will heat up normally. 7.4v 10,000 mAh Battery Life: High - 5-6h hrs Med - 6-7 hrs Low - 8-9 hrs * Battery life may vary based on outside temps. 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. SpecificationsBattery Type: Lithium-Polymer, Life cycle: 200 cycles, Input 1 (USB Type-C): 7.4V-3A, Output 1 (USB): 5V-2A, Output 2 (DC Port): 7.4V-3A, Charging time: Approx. 4.3 h * Works with Whitewater Torque Heated Vest