Interesting REDvolt Recharge Observation

[Terry VerHaar]

So, I had my Scarlet running while I was working out a monitor issue - a single battery in the Side Handle. The battery ran down, power dropped and the camera shut down. I quickly removed the REDvolt and slipped it into the charger. However, the light first turned green, then red, then started blinking green to red. Hmmmm... faulty battery? Faulty charger? Both had worked fine before.

Noticing the battery felt a little warm, I waited about ten minutes and tried again. Everything worked fine. I guess the charger doesn't like to charge "hot" batteries. :shocked:

 

[Martin Weiss]

Yep, this is true for all good chargers. They test the battery's temperature and don't charge when it is too warm. And batteries that have just been used are warm. So as so often: patience is a virtue

 

[Terry VerHaar]

Yep, this is true for all good chargers. They test the battery's temperature and don't charge when it is too warm. And batteries that have just been used are warm. So as so often: patience is a virtue

Now, armed with knowledge and experience, I can be a "good charger," too!! LOL

 

[Vance Colvig]

I usually put a hot or warm battery in the fridge if one is available for a few minutes until it is room temperature before placing on charge. Didn't hear this from anyone, just my impatience at work. Been doing it for years with power tools as well as camera batteries and seems to preserve battery longevity too. Nothing scientific or anything, just seems like it.

 

[Ben Coleman]

Yeah this is fairly typical for power tool chargers as well. I know my Dewalt chargers do that when I throw a hot battery on them. Usually I just leave them on the charger and once they cool down they will start charging.

 

[Les Dittert]

usually about 10 min of rest seems enough for the charger to be happy.

 

[Stuart English]

Yes, it's the battery temperature sensor at work. Whether you see that depends on how quickly you were drawing current.

Anyway, the pop in the fridge for a couple a minute trick is a decent one. Or wait a bit longer for room temperature cool down

You can leave the battery on the charger to cool, it should reset itself and start to charge when the battery is cool enough.

 

[Bob Gundu]

Terry, get a bunch of warm redvolts on their chargers, and while the funky lights flash, play this song!

http://www.youtube.com/watch?v=Cj8JrQ9w5jY

 

[Laco Zamba]

You can leave the battery on the charger to cool, it should reset itself and start to charge when the battery is cool enough.

I'm waiting almost two hours, but battery is still blinking red and green :-(

 

[Russ Campbell]

Yes, it's the battery temperature sensor at work. Whether you see that depends on how quickly you were drawing current.

Anyway, the pop in the fridge for a couple a minute trick is a decent one. Or wait a bit longer for room temperature cool down

You can leave the battery on the charger to cool, it should reset itself and start to charge when the battery is cool enough.

None of my chargers resume charging once the Redvolt batteries cool down. I have to remove and replace for normal charging to resume

 

[Ben Pluimer]

None of my chargers resume charging once the Redvolt batteries cool down. I have to remove and replace for normal charging to resume

Found this out the hard way. Was on a shoot with 3 chargers, 6 redvolts. AC was swapping batteries around and walked into the equipment room 2 hours later to find 3 red/green blinking chargers and 3 dead batteries. We ran off of AC power the rest of the day.

 

[Jeff Whitehurst]

Found this out the hard way. Was on a shoot with 3 chargers, 6 redvolts. AC was swapping batteries around and walked into the equipment room 2 hours later to find 3 red/green blinking chargers and 3 dead batteries. We ran off of AC power the rest of the day.

Similar experience here on both the travel and quad chargers. Now I don't walk away until I see the charging lights flashing.

 

[Jaakko Rinne]

Same here, it keeps flashing red and green until the battery is removed from the charger and reinserted.

 

[Dennis Guskov]

perhaps this could be brought up with Red, and maybe they will be able to fix it in the next revision, or even update existing ones somehow?
file support tickets guys, cuz unless you tell them they might not know that the problem even exists

 

[Robert L. Mickles]

None of my chargers resume charging once the Redvolt batteries cool down. I have to remove and replace for normal charging to resume

That seems to be what you have to do.

It took me a while to put two and two together and figure out that the batteries weren't charging because they were too hot.