Battery or charger

[Robdob]

I recently bought a pack of 3 KangerTech chargers. I was charging a 2-3 month old eGo C twist, which I've never had a problem with. It seemed to take a very long time, 4 hours. When I picked it up to check on it, the battery was very warm, but the charger was not. I have my chargers plugged into an surge protector. The other battery I was charging with another of the three new chargers was green and cool. I'm wondering if the fault lie in the battery or the new charger. I unplugged it immediately, and now I'm afraid to use the battery or the charger. Any suggestions? $20 is a lot of money for me. Please help.

 

[Harlen]

Try charging a different ego on the same charger ?

 

[Rickajho]

Hmmm... That's a tough one. eGo class batteries shouldn't get warm to the touch when charging. So...

What have you been using on that battery? eGo batteries don't have the capacity to run low resistance coils. Constantly pushing an eGo battery with 1.5 ohm or lower devices will result in premature failure.

Liquid on the 510 connector of the battery or charger interferes with charging. Make sure the connector on the battery and the charger is clean and dry.

What are you plugging the eGo charger dongle into? Under-powering an eGo charger can give bad results. Of course it's going into a 5 volts USB power supply. That power supply must also have a rated output current of 500 mA current minimum. More is fine and won't hurt anything. But trying to use a low power 300 mA current power supply won't work. Any AC to USB wall supply should have a ratings plate on it stating it's voltage and output current.

 

[Robdob]

I'm using a Belkin adapter and I also clean the battery terminal each time before I plug it in. I make my own coils, i keep the reading between 2.0 and 2.5 ohms, so that shouldn't wreck the batteries. Tomorrow, I'll check the battery with a different charger and see if it gets warm. Thanks for the responses. I was hoping someone might give me some magical answer like make sure you don't whistle Ina-gadda-da-vida in the key of D when you plug it in, or the battery will overheat. Ah well, I've got some trial and error to do.

 

[Rickajho]

Lol - doesn't work that way. It would make all our lives so much easier.

If you decide to try charging that battery again monitor it constantly. If it's doing the temperature rise thing again stop the charging and ditch the battery - it is not worth messing with it. eGo's contain low budget, old school ICR chemistry batteries - the kind that are the source of all those "The Dangers of..." exploding battery news stories. When everything is working fine they are safe but it's the type of battery that you stop using the minute you detect a problem. There are known cases where an ICR battery getting noticeably warm while charging was the warning sign before "battery exploding in use" happened.

 

[Robdob]

Yeah, thanks. I ditched the battery. I charged a different battery using the same charger. It worked just fine. I have no desire to be a headline. Thanks!