However, also remember, running to cut-off on a regular basis is a bad idea. As I have posted previously, and in other threads, these batts like to be topped-off. Running them to cut-off (counting "hours") can result in reduced number of charge cycles over the lifespan of the batt and it "can" also result in reduced life/use timer per charge cycle. While this will not happen immediately, or from the occasional use to cut-off, it is much better for the batts to be recharged BEFORE reaching the cut-off.
Nice! I believe he was asking to avoid cutoff which is something I always worry about.
I do love and enjoy my Opus though, I've been using a 3ohm 801 fusion carto in a tank. I usually drip, but I guess I've been worried about leaking. Also, most of my atomizers have been getting dry faster. Kind of like I have to relearn how to drip. Haha!