PowerNova L21 20000mAh 30W Power Bank. Specifications: Capacity/Energy: 20000mAh/77Wh; Input (Type-C 1 Cable): 5V=3A; 9V=2.77A; 12V=2.1A (25W Max); Input (Type-C 2): 5V=3A; 9V=2.77A; 12V=2.1A (25W Max); Output (Type-C 1 Cable): 5V=3A; 9V=3A; 12V=2.5A; 10V=2.25A (30W Max); Output (Type-C 2): 5V=3A; 9V=3A; 12V=2.5A; 10V=2.25A (30W Max); Output (USB-A): 5V=3A; 9V=2.22A; 12V=1.67A; 10V=2.25A (22.5W Max); Total Output: 5V=3A (15W Max).