The SUMMIT®+ lasts for 2 hour of continuous use when fully charged. The vaporizer will fully charge in about 2 hours using the provided USB charger. You can use the device while it is charging. The rechargeable internal battery is non-replaceable.
The SUMMIT®+’s automatic shut-off timer powers down after 30 minutes of standby. You will then need to press and hold the GO Button for 3 seconds to restart the heating process. In standby mode the SUMMIT®+ uses minimal power and disables the heating element while it awaits your instructions.