Premium aluminium power bank perfect for laser engraving around the circumference of the barrel, leaving an everlasting message. The Dynamo has a capacity of 2200 mAh, capable of providing a full single charge to most iPhones. Included is a Micro SD-USB cable to recharge via USB port or a mains adapter, taking 3-5 hours to fully recharge depending on the power source. The Dynamo Power Bank is equipped with a grade A lithium ion battery suitable for recharging over 500 times and comes ROHS, CE and FCC certified (available on request) as well as having three levels of hardware protection from over charging. Limited one year warranty. Product not supplied with cable to charge your phone or device. Instruction manual included.