Right now, Amazon is offering the RAVPower 20000mAh External Battery Pack for $17 when the on-page coupon is clipped and discount code HL9FOA23 is used at the checkout. Usually selling for $30, the offer today saves $13 off the regular cost. This power bank has a heavy-duty battery that can refuel your Apple Device multiple times. Also, they come with dual-port output that can charge two devices at the same time.
20000mAh long-lasting power: airplane-friendly high capacity power bank provides 4.5 charges for the iPhone 8 Plus, 4 charges for the Samsung Galaxy S8, and 1.6 charges for the iPad Air 2. Best for all-day trips and no worry about out of battery anymore
High-speed charging: RAVPower portable charger and dual output combine to deliver the fastest possible charge for any device, includes dual ismart ports for optimized charging with up to 5V/2.4a output per port (total 5V/3.4a). Qualcomm Quick Charge not supported.
2X faster recharge speed: save 50% on your recharge time with a full battery in just 9 to 10 hours
Thoughtful and detailed design: curved edges offer a better feel and a stylish look; All three ports are located together for convenience and to minimize wire tangling
Trusted safety and protection: keeps your Device safe with voltage surge, overcharge/discharge, and high-temperature protections. RAVPower battery pack provide friendly customer service