... time: about 3 hours ( depend on the charger power .) 4 LED lights indicate capacity: 25%, 50%, ... resistant UV surface treatment of plasticColor available: pink, orange, black, green, blue, white, Cola RedLates lithium ... key operated, automatic output, four battery indicator. Power bank auto-end output once mobile phone was changed over ... more devices via USB port Rechargeable Power Bank 3.7V 2000mA