26650 batteries aren't as commonly used in ecigs as 18650. EH batteries are generally re-branded Sony batteries, FWIW. Ebay and Amazon are both seeded with knockoffs. Be careful. I'd search around ECF (as you are doing) and order from vendors who are proven to sell the right stuff.
AW is a good brand as long as you can depend on getting REAL AW batteries. I've had good results with Efest, also. The Efest LUC 4 charger is my favorite. It's a 4 bay charger with an LCD display that shows bar graphs and actual voltage readings as it charges each battery individually. What I really like about it is that you can pop a battery in it and it will immediately show the voltage reading just to check your stock to see what needs charging or boosting if they've been in a box.
For around $15 you can buy a Nitecore Intellicharger I4. It's a 4 bay charger with LED lights that show charge level. It's a good charger with fewer bells and whistles, but dependable life.
Stay away from Trustfire and Ultrafire batteries and chargers.