OtterBox Wireless Power Bank for MagSafe is engineered to keep your iPhone charged on the go. Simply click onto iPhone to get a boost of extra battery power on the spot. Strong magnetic alignment and attachment to your iPhone provides a secure, stable connection. Compact and lightweight, this battery goes everywhere with you, to reduce downtime and keep you productive. Its compatibility with MagSafe cases allows for ease of use, without compromising your phone's style. The intuitive LED indicator lets you monitor battery levels at a glance.