AXESS PP3120 13,200 mAh Mobile Power Bank - Portable Smartphone Charger in Blue 13,200 mAh Rechargeable lithium ion battery Long-lasting, high-capacity dual USB output Power Bank Input: DC 5V, 1A; Output: DC 5V, 1A/2.4A (dual USB) Cycle life: 500 times Ideal to charge Apple iPad Air 2