This power bank can be charged via a USB power source or through the power of the sun. It has a slim design and plenty of branding space. 12.5 ( l ) x 8 ( w ) x 1.5 ( h ) cm aluminium & ABS lithium-polymer battery rechargeable by USB or solar power includes a micro USB cable includes gift box capacity: 5000mAh input: 5V/1A output: 5V/1A recharge Time: 6 Hours discharge Time: 2.5 Hours approximately 500 cycles