Belkin MFi Certified MIXIT Metallic 10000 mAh Power Rockstar Battery Pack with Dual USB Ports and Cable Storage (Gray) Great for Pokemon Go Powerful 10,000 mAh battery, plus magnetized cable storage for Lighting or Micro USB cable 1 x 5.7'' Lightning cable and 1 x 5.7'' micro-USB cable 2 x USB ports and 4.8 Amps total power $2,500 Connected Equipment Warranty MFi certified: this battery pack has been certified by the developer to meet Apple performance standards