[header] How to quit smoking with ecigs [title] Know your nicotine intake. [step] Physical withdrawals can be avoided by understanding the amount of nicotine in your e-cig compared to your normal cigarette usage. E-cigs use either nicotine cartridges or liquid nicotine. 
In order to maintain your current nicotine levels, you will need to know the rough equivalents between cigarette and e-cig nicotine amounts. You can always adjust this if you feel like you need more or less, but you should avoid unknowingly using more nicotine than your body is used to.