• The Flip case Juice Pack has built-in rechargeable Lithium-polymer battery for Samsung Galaxy S IV S4 i9500.• Simply put it on your phone, you will have an extra 3200mAh external power.• Micro input charging port makes it convenient to charge from PC, Notebook, AC/DC adapters just with an extra

• The Flip case Juice Pack has built-in rechargeable Lithium-polymer battery for Samsung Galaxy S IV S4 i9500.• Simply put it on your phone, you will have an extra 3200mAh external power.• Micro input charging port makes it convenient to charge from PC, Notebook, AC/DC adapters just with an extra Micro USB cable.

Product Specs :Cell : Li-polymerType : FlipCapacity : 3200mAhOutput : 5V 800mAhInput: 5V 1000mAhCharing time : approx. 3 hrs

Charge & Sync at the same time.Dual IC chips protection, anti overcharging, anti over discharging, anti-short circuit.FCC / CE / Rohs / UL certifications approved

Package includes :1 × 3200mAh Backup Battery Power Case Cover For Samsung Galaxy S IV S4 i9500.