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Semiretired

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Sep 24, 2011
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I have always charged my internal batteries from my laptop (that's always plugged in) and never had any issues. Should I not be doing this?

Nope - read post above.

While rare, the usb device/port backfired through the computer and fried it...
 

Two_Bears

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Jul 4, 2015
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I have always charged my internal batteries from my laptop (that's always plugged in) and never had any issues. Should I not be doing this?
Most mods charging circuitry is the size of a dime.

Sometimes batteries get hot being charged. This can over heat the board in the mod.

Sometimes batteries vent during charging. Better to ruin a $15 charger than a mod.


Roxynoodle had granite tiles in her kitchen and charged her batteries there to prevent damage from battery issues

Another ECF member puts tge battery charger in a coffee cup.
 

Semiretired

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I charge mine outside on concrete - nothing to burn. I also use a charging bag to contain it just in case.

Look it may never happen. You may go your life and wonder if it was worth the extra effort, but the one time it does happen - you will wish you had taken that one little bit of extra precaution.
 

mattiem

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all of my batteries (both internal and removable) are charged sitting in a pyrex baking dish and are never left alone while charging. I will never take a chance of frying my computer by using it to charge my batteries. I would much rather fry a cheap wall wart if something should go wrong. I payed attention the first time @Semiretired told us what happened to his computer.
 
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LoriP1702

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all of my batteries (both internal and removable) are charged sitting in a pyrex baking dish and are never left alone while charging. I will never take a chance of frying my computer by using it to charge my batteries. I would much rather fry a cheap wall wart if something should go wrong. I payed attention the first time @Semiretired told us what happened to his computer.
This is my method as well for external batteries.
(Pyrex loaf pan :laugh: )
We have protected outlets in our kitchen, so I use those.
Kitchen fire extinguisher available as well. Oven mitts handy.

Ego type batteries, I've not been as cautious with, just lazy I guess, but I do charge them on a protected outlet.
 

mattiem

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This is my method as well for external batteries.
(Pyrex loaf pan :laugh: )
We have protected outlets in our kitchen, so I use those.
Kitchen fire extinguisher available as well. Oven mitts handy.

Ego type batteries, I've not been as cautious with, just lazy I guess, but I do charge them on a protected outlet.
I charge my ego type batteries in a coffee cup setting in my pyrex baking dish :D I even charge my cell phone in the pyrex baking dish. That is a well used dish :lol:
 

bnrkwest

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I have always charged my internal batteries from my laptop (that's always plugged in) and never had any issues. Should I not be doing this?
Years ago I remember ego's frying laptops so I just don't do it. But maybe things have improved since then.
 

bnrkwest

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I don't either but the Radius was designed to allow for USB charging. Only mod I trust charging with a removeable battery installed.
Me too, if it wasn't a Radius I wouldn't do it either :) All my other removable batts go on the charger in a cake pan to charge.
 

LoriP1702

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I charge my ego type batteries in a coffee cup setting in my pyrex baking dish :D I even charge my cell phone in the pyrex baking dish. That is a well used dish :lol:
I know mine has seen much more use than it ever would have as a bread loaf pan. :lol:
That's true, any of those things have the potential.
I thought about that as I unplugged my toothbrush from it's charger earlier. :laugh:
 

LoriP1702

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I charge mine outside on concrete - nothing to burn. I also use a charging bag to contain it just in case.

Look it may never happen. You may go your life and wonder if it was worth the extra effort, but the one time it does happen - you will wish you had taken that one little bit of extra precaution.
I personally think your's is the best method of all, and commendations to you for going to the extra effort, like you said, it would only take one time, and you'd be so very glad you'd taken the extra precaution.
My method would only serve as some minimal damage control, your method is truly the safest one.
Just my :2c:, worth exactly what you paid for it. :)
 

CasketWeaver

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Feb 20, 2014
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Decatur, IL 62521
Unless the mod has a "non-removable" battery - I wont charge them inside the device. I have before in the past. Basically while I was on the road. Do I recommend it? No - BUT - if that's all you can do...

As for the types of devices I charged on the road - NEVER my RX-200's. Why? Because the batteries DO NOT 'USUALLY' CHARGE EVENLY! Granted, you can tighten down a screw that will allow them to get within 1 / 100th (.01V - .02V) of a volt of each other BUT it is still NOT perfectly balanced. IF I go anywhere - I'd trust my Reuleaux DNA-200 a bit more to charge and go. Which is why I take my DNA-200 everywhere. It does a BIT better with charging things evenly. The onboard charging capabilities with the DNA-200 are pretty good. The mod DOES still get a bit warm - but nothing to bet overly concerned about.

The thing with charging via USB vs External Chargers is this: Batteries can and WILL fail if the conditions are right. If you ABUSE them (OVER Discharge / CHARGE), if they're DEFECTIVE (Broken SLEEVES / Insulators), or you're negligent with them (tossing them around next to coins, keys, etc.)

I have YET to have a battery fail on me. My 26650's have been overdischarged before - I tossed them and bought new ones. So... what method of charging my batteries do I PERSONALLY use? Well that depends. If I'm in one place - I pull the batteries out of the mod and use and external charger. Once they're done, I pull them off the charger and put them away to relax for a bit. Taking batteries off a charger and dropping them into a device is another big no-no. The batteries may be warm to the touch which means they may be 'stressed' from charging, they may be getting ready to fail, or they may just have come into contact with the sunlight or something else that made them warm.

After a few months and a few cycles of charge / discharge - I hook my fluke up to them, test the final voltage in / out. If the battery sag is too high (3.7 dropping to 3.0V or more on fire) I usually toss them and replace them. I do have an in-line meter as well, but I don't usually use that too often. If a battery explodes in my charger - I might be a bit ...... off - but it's better to have it explode in my charger than in my mods.

As far as the Charger(s) I use: Nitecore D2's and D4's. Why? I don't need the bluetooth capabilities on a charger to check them. If I put the battery in and get an ERR code (granted the battery is installed properly in the charger) - that's an indicator that the battery is DEAD and it's time to be replaced ASAP! I witnessed someone trying to charge a battery that gave an ERR code and shortly after they dropped it into their charger - it ruptured.
 
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