How long will it take to recharge the myblu battery? 12 March 2020 11:27 The myblu battery will take approximately 20 minutes to recharge. Related articles For how long can I use the myblu battery before it needs to be recharged? What kind of warranty does the myblu have? How do I know when the myblu battery needs to be recharged? How long will the myblu battery last? Where can I purchase the myblu kit?