How long does the battery last? SakuraMobile December 05, 2018 09:26 Updated Follow It lasts up 20 hours of internet use or 600 hours of stand-by time. Related articles How many devices can connect simultaneously? How much is the compensation if I lose/break devices. The package I have received is damaged / has missing parts. I lost the return envelope. How should I return it? Comments 0 comments Please sign in to leave a comment.