Item Name: rechargeable led lamp Item No:MRD805 Storage Battery:4400mAh Lithium battery LED tube lighting source: 3.6w LED torch lighting source:1w USB output: 5v Max 1.5A. for mobile phone / MP3 / MP4 charging Micro USB input: 5v 1A. can be charged by AC power / Computer through USB charging cable Working Time: About 8 hours for 4w led tube lighting About 32Hrs for 1w led torch lighting Standard Accessories: USB charging cable Application: Emergency lighting source, as it with USB output for mobile phone charging, so, it can also be used as a power bank.