SODIAL(TM) Super Quality External 1900mah Battery Pack Power Station for Apple Iphone 4/4S with Protective Back Cover Go Portable Case Charger for At&t and Verizon (White)
Output Voltage:5V Output Current:500mA Input Voltage:5V Input Current:<=1000mAh(1A)Work Temperature:-10??C~+40??C Storage Temperature:-20??C~+50??CStandby Time:Up to 230 hours Talk Time:Up to 6 hours Audio Playback:Up to 30 hours Video Playback:Up to 8 hoursInternet Use:Up to 5 hours on 3G/Up to 8 hours on Wi-fiDimension:12.5x63x16(mm) Weight:65g<strong>The button shows power volume as follows:</strong>LED 1:0%----25%LED 2:25%----50%LED 3:50%----75%LED 4:75%----100%Safety precautions:1.Do not throw battery into water or make it wet;2.Keep the battery away from heat source(like fire or heater);3.Do not throw the battery into fire or heat the battery;4.Forbid to hammer to trample the battery;5.Forbid disassembling the battery in anyway.Packing list:1x External battery for iPhone 4/4S1x USB sync date and charging cableHow to charge:Method 1:Connect the battery and computer USB port with USB 2.0 cable.Method 2:Connect the battery and USB home/wall/AC/car chargerwith 2.0 cable.Then insert the charger into AC 110v-220v power outlet.How to charge your iPhone:Step 1:slot in your iPhoneStep 2:switch on button of battery packStep 3:close the roof cover