Been there, felt the vape rage. Sounds like your device might be auto-shutting to protect itself—most smart vapes do that when there’s residue build-up or temp fluctuations. Half battery doesn’t always mean full power if the cells are uneven. Right in the middle of troubleshooting, here's where some Tips come in clutch: always clean the magnetic coil area, and double-check the connection points aren’t gunked up. Also, make sure you’re using a legit Type-C cable; cheap ones can mess with charging voltage. Try running a cycle at the lowest temp to reset memory glitches. Mine chilled out after that.