A low Ω coil will drain a battery pretty quickly....You didn't mention which MOD you are running it on, but I'd suggest going to an 18650 battery MOD at least, but even then, don't expect more than about 4 hours of average vaping out of it at the most. Low Ω coils will drain a battery very quickly.
A Kick is a nice feature, but it only turns a mechanical MOD into a VW device .... I have one for my Natural, but I have to run it with an 18500 battery in the 18650 tube, so battery life is again compromised, but I still like it. The power deliver is more consistent, but it actually uses some battery power, so it reduces the vape time about 10-20%....but it helps protect the battery also by not letting it drop below 3.2 volts (you should never let a Li-Ion batt drop too low).
For the same price, you can just get a Vamo & have all the features of a Mechanical & the Kick plus a lot more flexibility (RMS/AVS , VV/VW, ability to run various battery combos, etc). The only disadvantage of the Vamo is that you will have to keep your coils at 1.2Ω or above or it won't fire it.
For comparison; I generally get almost a full day of heavy vaping out of a Vamo with an RSST running a 1.2 to 1.4 Ω coil with an 18650 battery, and only about 3-4 hours running it with a Kicked Natural (running a 18500 battery).
The only way to get decent vaping time (a day or more) on a low Ω coiled RBA is to go with a monster battery mod like a Bombshell Stinger from Hotvapes - it runs a HUGE 26650 battery! It's a very impressive MOD - Large diameter but comfortable to hold, and you can also run it with a Kick.
JMHO