RAVPower Deluxe External Battery 14000mAh Portable Power Bank Pack for $29.99. Shipping is free on orders over $35. If needed, use this Filler Tool to pad the order for free shipping. Here is a screenshot for your reference. It provides fast charging output (5V / 3A total) through dual USB ports (5V / 2A and 5V / 1A), which allow for simultaneous charging of iPad, iPhone, Android, and more at high speed.