Hey whats up guys so curretly ive been using 4 efest batterys supposedly 35a(ik its 20a) and a efest soda 2 battery charger and too be honest they have been treating me good but i was thinking of upgrading too a better quality charger and batteries(maybe 25r's) but i dont want too spend way too much whats the best website and pretty good quality products? also i rarely sub ohm i usually use the subtank rba at 1 ohms