Electrical Guys-

[r77r7r]

What is happening when chargers get Hot/quite warm?? Is it resistance when it is not taking/needing the full power load?

I've had ego chargers in the past occasionally get hot, same battery, not all the time. I have an Ileaf now and it's been running hot using their 1amp charger ( but not always????), cold always using .5A. Charger And battery.

Why is it just on occasion, not all the time??

 

[DavidOck]

The heat is coming from the power consumed. Since the charger is (probably) monitoring battery voltage to regulate it's output, when the battery is really low, it will deliver a higher power (up to it's design limits, hopefully not more!) So if you've vaped the battery low, the charger will deliver more power at first, until the voltage starts coming up, and then taper off the charge - and heat.

If you've not run it as low, the initial charge current won't be as high, and it won't produce as much heat. Something like that could explain the inconsistency you're reporting.

And, of course, chargers come in all sorts of designs and build qualities. Perhaps it's not as efficient at higher current output, so is even warmer.

I use one of these:
DROK Dual-USB Output Charging Detector Digital LED Ammter Voltmeter Guage DC Display 3.2-10V 0-3A Red/Blue - - Amazon.com

plugged into a wall wart for chaging my ego types. It lets me monitor both the voltage and current going to the ego charger (or built in charger, like in the innokin VV3), and as the battery charges, it's easy to see the delivered current taper off.

Warm is ok. Hot is sort of subjective, but if you feel like it's going to burn you, unplug.

 

[The Torch]

^^ he said it better than I could. Interesting little gadget... stop making me spend money!

 

[Robino1]

Moved from General vaping to batteries and Chargers

 

[hazarada]

If its any comfort, theres nothing in a charger that can make a significant boom (at worst a cap explosion is less destructive than lighting a match).

 

[DavidOck]

Generally true, especially with the small ones in ecig chargers. I've seen some polarized electrolytics do some damage, but they tend to be in bigger chargers. We ran 130 VDC battery banks as backup power at the hydro plant.

But even the small ones can make a heck of a loud noise