My Personal favorite are the following Therion DNA 75 Dual 18650 " Parallel" Pros -Battery life -Looks! leather + Wood -Ergonomics Cons -POOR PAINT JOB! Same with Lost vape triade Finder DNA 75 Pros -Cheaper than Therion -Ergonomics -Almost same body with therion less the Leather and the wood Cons -Placement of 510 - Just for me for single bat dna 75 VT75 nano