4XEM 20,000 mAh Power Bank With 100W Power Delivery - For Notebook, iPhone, Gaming Console, Nintendo Switch, MacBook - Lithium (Li) - 20000 mAh - 3 A, 5 A, 3.25 A, 2 A, 1.50 A - 5 V DC, 9 V DC, 15 V DC, 12 V DC, 20 V DC Output - 5 V, 9 V, 15 V, 12 V, 20 V Input - 4 x USB - Silver, Gray: