Product Parameters - Battery Capacity: 13,800mAh - Size: 165 x 78 x 35mm - USB Port: 5V ~ 2A - Output: 12V ~ 2A / 16V ~ 3.5A / 19V ~ 3.5A - Charge mode: CC/CA 15V/1A - Starting Current: 300A - Peak Current: 600A (3S) - Cycle Life: 3000 times