Subox Mini + Samsung 25r questions

[Gloff]

So, I've been vaping for a few years now. Started with blu e-cig, got an eGo, then itaste vv, then istick. My buddy was pushing me to get a LR setup and really pushed me to get a great deal on a Subox Mini and Samsung batteries. My questions are as follows:

1: Does the subox have over charge protection if I charge the Samsung via the usb port?
2: I'm running at 20w w/a .7ohm(via the readout), is this a safe setup? There's a ton of conflicting information about what range of power works without burning up the coil.
3: I'm super confused about battery output, the battery is rated at 3.7v, but I'm able to pull 3.9v when running my other tank (9w/1.6ohm) I didn't pay attention in science class, I understand the relationship between amps/ohms/volts/resistance, but am I damaging the battery running it higher than 3.7v?

This is embarrassing to me that I don't know these things. I'm very mechanical, and have worked on cars most of my life for fun, so this electrical stuff is new to me, and there is a ton of information.

I just want a good flavor, low maintenance setup (so far I'm loving the subtank @ .5ohm/20w).

 

[Stosh]

1: It has over charge protection, but likely not as extensive as an external charger would have. I prefer to use a high quality external charger for removable batteries.

2: Your setup sounds safe enough, and a regulated mod will shutdown if you try to use too many amperes or there is a short. As far as burning a coil, start low and adjust up until the vapor and flavor suits you, stop there. Some vapers like a hotter vape, some cooler, and the juice you use can also change what settings you like. I generally use less than 20 watts, but that's just my personal preference. Try a bit lower wattage and even a bit higher, see which you prefer.

3: Your batteries are 3.7 volts nominal. This is the average voltage they run at during one charge cycle. They are fully charged at 4.2 volts (the charger should shut off at that point) and fully discharged at about 2.5 volts, (most mods will shutdown when the charge reaches 3.3 volts). A regulated mod such as yours keeps track and protects the batteries and you reasonably well.

 

[Gloff]

1: It has over charge protection, but likely not as extensive as an external charger would have. I prefer to use a high quality external charger for removable batteries.

2: Your setup sounds safe enough, and a regulated mod will shutdown if you try to use too many amperes or there is a short. As far as burning a coil, start low and adjust up until the vapor and flavor suits you, stop there. Some vapers like a hotter vape, some cooler, and the juice you use can also change what settings you like. I generally use less than 20 watts, but that's just my personal preference. Try a bit lower wattage and even a bit higher, see which you prefer.

3: Your batteries are 3.7 volts nominal. This is the average voltage they run at during one charge cycle. They are fully charged at 4.2 volts (the charger should shut off at that point) and fully discharged at about 2.5 volts, (most mods will shutdown when the charge reaches 3.3 volts). A regulated mod such as yours keeps track and protects the batteries and you reasonably well.

Awesome, thank you for the quick reply, my suspcions were confirmed.

 

[dcfluegel]

yah - i try to only use the usb charger in a pinch, prefer to charge externally and keep an extra battery handy