The ENERGI 3K battery pack has a built in micro-USB cable and universal USB port for rapid charging on-the-go. Charges two devices simultaneously. Slim-line design and the ability to fully charge your smartphone more than one full-charge makes for the perfect portable power companion.buy here
Rechargeable 3,000mAh internal battery
Slim-line design measures only 9/16" in depth.
USB port with embedded micro-USB cable for rapid charging on-the-go.
2 Amp circuit charges two devices simultaneously.
Battery Cell: Lithium Ion
Battery Capacity: 3k
Output Voltage: 4.75V-5.25V
Output Current: 2A
Battery Charge Time: 3-4 hours
Dimensions: 14.3mm x 65mm x 103mm