Anker 2nd-Gen Astro E3 10000mAh Dual-Port Ultra Compact USB Power Bank for $25.99. 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 features compatibility with Android, Apple or other devices by enabling charge speeds of up to 3 amps overall or 3 amps per port.