A RELX device has 330mAh-350mAh battery capacity. When the device is fully charged, it has around 190 puffs.

A RELX device can last 40 minutes - 1 hour under constant use. (the data obtain from the test of 2ml pod: each puff lasts for 3s, and the interval between two puffs is 30s, and each puff contains 55ml vapor)
 

Please avoid using the device in the following situations:

• Recharge the device only after the battery is completely drained
• Overcharging or keeping it completely drained for an extended duration
• Over-charging, over-discharging, excessive charging/discharging (fast charging/discharging under large power)
• In overheated or overcooled environment (take RELX Classic and RELX Infinity for example, charging temperate: 0°C - 45°C; Device using temperate -10°C-60°C)