... used as an emergency battery anytime you don't have access to a computer, car charger ... flights, hikes, or for anytime you don't have access to an AC outlet. This charger ... 9 hoursCompatible with:iPhone 4S (AT&T, Verizon, Sprint and International)iPhone 4 (AT&T, Verizon and International)Package included ... provide tracking number to you! Payment Method:Paypal ,T/T,West Union,L/CRETURNS & REFUNDS:We will ...