Here's my xhaler review. Part 1 and 2. Note. I had to cut some off to keep the time down. The charger stops charging when the batteries hit 3.7 volts. When using 2 3 volt batts, you will be vaping at HIGHER than 6 volts. Be careful. Don't hold the button down for more than 2-3 seconds.
YouTube - guysanzo's Channel
YouTube - guysanzo's Channel
YouTube - guysanzo's Channel
YouTube - guysanzo's Channel