Quickly and effectively solves the low power problem for your phone while on-the-go
Keeps your Sony XL39H (Xperia Z Ultra) always powered
Protects your cell phone from scratches and dust
Can conveniently carry cards in the built-in card slots
Supports over-current， over-voltage， over-charge， over-discharge and short circuit protection
Lightweight and compact size for ease of carrying
A must-have item for travel and going on business |