As far as the charger is concerned, I have a dual bay charger I got from SmokTek almost 2 years ago, (think it is an AD126), and it charges everything I have thrown at it without failure... I charge 14500, 18350, 500, & 650's. It has a auto shut-off when the batteries are fully charged. I think there is just too much hype out there when it comes to chargers! From what I remember it only cost me like $12 when I bought my first AA box mod. I don't think they still sell the one I have, but they have another dual bay that has a car adaptor included for just under $12... You can also charge 1.2v batteries with it... I might have to get me one as my 1.2v charger has seen its better days now after almost 12-15yrs of use!!!
As tearose already mentioned, you might want to go to RTD Vapor for all your battery needs. They sell all authentic batteries and are highly respected in the vaping industry... Very competitive pricing and the service is second to none...