8-Day (20K) Portable Charger User Manual September 24, 2018 20:20 Updated To view the User Manual for the 8-Day (20K) Portable Charger, click the attachment below. Nimble_UserManual_Portable-Charger.pdf 40 KB Download Related articles How many times can I recharge my 8-Day (20K) Portable Charger battery? What do the various colors on the LED indicator mean? How do I know when my 8-Day (20K) Portable Charger is fully charged? Can I recharge my 8-Day (20K) Portable Charger while charging my device? 10-Day (26K) Portable Charger User Manual