You choose: this powerful 10,000 mAh silver charger accommodates a lightning cable as well as a micro USB cable for versatile on-the-go charging that really meets your needs. Input: micro USB 5V/ 2A and lightning 5V/1.5A. Output: 5V/1A and 5V/2A. Lithium-ion polymer battery. Measures 5 7/16" x 2 13/16" x 1/2". Laser-engraved logo.