High Quality High Capacity 4500 mAh External Battery Pack Portable Power Bank Case Charger For Samsung Galaxy S4 AT&T Sprint, Verizon, T-Mobile (Black)
Never have your S4 run out of battery. This compact backup battery will let you carry the power where ever you go. There's no need to charge your device through an electrical outlet, the Turcom TS-249 IS THE POWER SOURCE! Take this with you when you travel or go on a trip. Portable power pack more power for your Samsung.  Features: - The Power pack will extend the battery of your phone by doubling it charging capacity. - Enjoy your Galaxy S4 for voice, music, video, game and business application with extended, - Stable power - You can experience up to two days or more of uninterrupted Samsung power, depending on your usage.  Product Spefications:  input：5V-5.5V，max.1.8Aoutput：5V-5.3V,1.2Abattery type：li-polymacapacity：4500mAhstorage temperature：-20-50 degreeweight：90gusing time：more than 500 timessize： 143*69*15（mm)  charging time:  300-350 minutes.