I have to decided to buy another E Cig. I have a BE112 (which I love) and a njoy Npro (not so crazy about). The njoy carts are small and hard IMO to refill as well as finding parts seems to be hard. I would like another ecig with the similar to my BE112 in battery life and large cartridges may be just a tad smaller for easier transport and maybe a manual switch. I have been looking at the DSE109 models. Also I am wanting to find a US supplier were I can buy all my supplies as well as replacement parts for both the new ecigarette model and my BE112. Best Ecig is great but I am worried about custom issues. Any assistance would be greatly appreciated.