... rapi super large capacity 20000mAh manual for power bank manual for power bank for iphone/ipad Specification: Cell type:polymer lithium ... size:190x103x24mmCharing time:6-10 hoursGlass textures1. Universal Charger Suitable for Iphone ,Ipad ,Ipod ,Mp3/Mp4 ,PSP,PDA, Bluetooth, Cell phone ... overcharge and discharge protection3.PWM Analog control technology By the modulation of pulse width ,it can reduce ...