Reviews: Can I print logo?

Allfei: Of course, we support OEM order. ( Jun 8, 2013 17:34 )

Reviews: Hi What does the light represents?

Allfei: it's red when its charging. ( May 23, 2013 16:7 )

Reviews: How do you turn it off and on?

Allfei: Actually you don't have to turn it on, just plug it in. You either plug it into your computer to fill it up with power. Or you plug it into your cell phone to release the power. ( May 8, 2013 17:10 )

Reviews: Is this a rechargeable product?

Allfei: Yes, it can charger your mobile phone. ( Apr 21, 2013 10:32 )

Reviews: How do you know when it is charged?

Allfei: It would turn blue when its full charged and when its red it means its still charging. ( Apr 3, 2013 12:3 )

Reviews: How long in the cable provided?

Allfei: 10cm. ( Mar 18, 2013 18:4 )

Reviews: Is this for an iPhone4?

Allfei: Yes, use the cable that came with your iPhone. (Disconnect the electrical plug portion, and use the USB end of the cable to plug into the power bank.) ( Mar 1, 2013 12:27 )

Reviews: Is the 18650 battery replaceable?

Allfei: Not intended to be replaceable and not worth effort. If you open the device by unscrewing one end, you'll see the batteries and internal components are contained within a shrink-wrap plastic. ( Feb 23, 2013 11:23 )

Reviews: Is this power bank rechargeable?

Allfei: Yes, it is rechargeable. Power banks generally are. ( Feb 13, 2013 9:6 )