Honestly, i never use a rta on a series. A good airy 24 mm rda, type Dead Rabbit, Kali v2, Apocalypse, Redemption at 0.4 as lowest is what works for me. And on a series, i always use lg hb1 or hb6 (30amp) batteries.
Edited on 1/5/2022 at 9:21 PM. Reason:
We can't agree on everything.