The Results of my shorting test .... Interesting finding:
*** DISCLAIMER *** DO NOT TRY AT HOME. I Did the Following Test to Prove a point. Remember, when NOT in use, Battery should be taken out of your PV and atomizer detached.
A Protege Was Sacrificed During This Test (Atleast a switch and battery was)
Anyways .... Took a protege, shorted the switch and put a shorted atomizer on .... At first, I shorted the switch (to stay on), put 2 different working atomizers on, and they just stayed on for 4-5 minutes each. NEITHER atomizer burnt out which was quite intriguing to me. Thus the reason I added a shorted atomizer (pulled the silicone from around center post on atomizer to cause the short)
Now, Once activated ... Things got HOT in a hurry. Rushed the Protege out to my driveway, and put a trashcan on top. Then decided to check the mail (although Sunday), walk around, stand in the garage and watch ... figured it was boring, went up and ate ... came back down stairs (about 20-25 minutes had passed)... Trashcan was still in tact. Put on my sunglasses and a big hoodie -- tipped the trashcan over slighly. Protege still looked brand new .... Next, touch the tube with my finger ... no longer hott, just warm. Figured, the batt already discharged everything. Unscrewed the atomizer, put it in a small bucket. Walked in to the house and straight to the bathroom.
Unscrewed the end cap ... Spring still in tact, no burn marks, etc... Next, slid out the battery. HALF the blue wrapper was gone on the battery ... I figured it melted, but was actually happened is that is shrunk, halfway up the tube. Saw no indication of any type of venting, but I'm sure it happened. No residue on the inside of the tube or battery. Just a shrunken blue wrapper. Looked at the switch (mind you that sits in delrin) ... Didn't get hot enough to melt it, brass posts, switch and solder joints all still in tact.
Moral of the story ...
1) By bypassing the switch and activating atomizer ... didn't heat up the batteries.
2) The only time the batteries heated up, was when the atomizer itself shorted.
3) Battery did not *explode* It heated up, then when fully discharged, cooled down. Perhaps the reason why I didn't notice any venting residue, etc....
However, with that said, we need to make sure to take the necessary precautions.
1) Please make sure to take battery out of the tube at night or any extended period of time.
2) Keep an eye on your Protege when not in use. First indication of getting hot = short. Disconnect atomizer and do NOT take the battery out until it cools down.