he Joule Surge is designed with simplicity and portability in mind to match with the all other mobile devices that require a USB port to charge. Its smooth filleted corners and anodized surface are designed in such to enhance its ergonomic hand feel. The Joule Surge is loaded with 5200 mAh of power

he Joule Surge is designed with simplicity and portability in mind to match with the all other mobile devices that require a USB port to charge. Its smooth filleted corners and anodized surface are designed in such to enhance its ergonomic hand feel. The Joule Surge is loaded with 5200 mAh of power packed into a pocket size of 71 by 51 by 22 mm. It allows consumers to make full use of their device extensively. Its slider covers protects the USB and microUSB ports that are exposed to prevent contact from dust and moisture. The slider cover also turns on the charging mode at its sliding motion and prompts user via vibration on its battery life.