Eforshop2018 Black Universal 30000mAh Dual Outputs USB Ports Backup External Battery Portable Rechargable Charger Power Bank with 8 Connectors Adapters For iPhone iPod Samsung Cell Phone(Sent from US by USPS: 2 to 3 business days) Brand New and High Quality. Built-in 30000mAh high capacity rechargeable Li-Polymer battery. High efficiency of power conversion. Electricity-saving function. Partable, practical and long cycle life. Safe and reliable, perfect for using on travelling and outdoor activities. Be compatible with Nokia, iPhone, iPad, MP3, MP4, and other mobile phones and ect.