... -Polymer battery .4) 20000mAh capability, powerful with long operation time.5) be compatible with Nokia, iPhone, iPad, MP3, MP4, and ... Li-Polymer2) Input Voltage: DC 5.0V3) Input Current: 1000mA (Max)4) Duo USB output, charge 2 devices simultaneously5) Output Voltage ( ... Port A): 5.0V6) Output Current (Port A): 1000mA7) ...