Yes, you can detach it and replace it with other 810 drip tips
The LED light will flash red 15 times to indicate that you need to charge the device.
No, it is not adjustable.
Cloudflask III 0.17Ω Mech coil
Cloudflask S 0.6Ω Mesh coil
Cloudflask 0.25Ω Mesh coil
The capacity is 2000 mAh.
When the Cloudflask III is fully charged, the LED will flash green 20 times and then remain off.
No, the Cloudflask III is a constant 3.4V output mode device.