Brando today starts to offer the Power Jacket for Sony Xperia Z2, a protective case with a 4500mAh built-in battery. The case protects the smartphone while charges the phone's battery. The Power Jacket is also slim and light. Here's more info on the Power Jacket for Sony Xperia Z2 battery case:
The Power Jacket is a 4500mAh battery case designed for Sony Xperia Z2. Despite of its high capacity battery, this power jacket keeps the phone very slim and lightweight. Simple and clean design retains the smart look of your Sony Xperia Z2. Built-in stand allows you to prop your device at a comfortable viewing angle. It also functions as a protective case to protect your phone from scratches. Data sync is also supported.
Charge the Power Case by USB cable. Plug the power station to charge your Sony Xperia Z2 at any time and any where. To charge the phone, simply slide in the phone into the portable battery and slide ON-OFF switch to on.
Features: - Recharge Sony Xperia Z2 On the Go - 4500mAh High Power Capacity - Innovative Magnetic Pins connect your devices - Charge with Micro-USB Charging Port Only - Lightweight and Protective - With Battery Power Indicator