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 CHAMP Pro Series 2 Portable Charger User Manual 3-Day (10K) Portable Charger User Manual How do I recharge my 8-Day (20K) Portable Charger? What do the LED lights mean? 5-Day (13K) Portable Charger User Manual