Do you switch off to the next battery before it starts flashing to tell you it's dead or do you wait til that point? I'm asking because at first I could use my DSE901 battery forever, like 12 hours without the slightest drop in vapor or anything, but now they might start blinking after about 8 hours, but before I even get to that point the vapor and throat hits diminish around 5-6 hours... normal battery thing? I am still on my starter kit batteries, I ordered a 3rd one but I don't like it at all, it's a 4075 one -- do you have good experience with those? or is it just me who hates it? I don't know if I just got a bum batt or what.. I don't have another 4075 to compare it to and I do not want to order another one to find out!
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