... 2,good price and quality 3,potable emergency 7000mah power bank Compatible with Apple's iPhone/iPod, ... current, over-charging and over-dischargingAuto shut off power saving modeColors: white, black and redCircle life: ... 500 cyclesFour LED power indicatorsCharging time: about seven hoursWorking temperature: -10 ... to the clients' request emergency 7000mah power bank