The GP heated jacket battery pack-interacts with our heated styles. Capacity: 5000 mAh. Input: Micro-USB: 5V DC 1A. Output: U... The GP heated jacket battery pack-interacts with our heated styles. Capacity: 5000 mAh. Input: Micro-USB: 5V DC 1A. Output: USB-A x 2: 5V DC 2.1. Dimension: 125.5x70x10mm. Battery Type: Li-Polymer. Battery life: 2 hours. Average temperature: 55°C.