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-   -   40 AMPS (https://www.rctech.net/forum/radio-electronics/885501-40-amps.html)

cbrking805 07-21-2015 05:30 PM

40 AMPS
 
Someone recently told me i should charge my orion 100c packs at 40 amps to get full potential out of my pack. Could someone explain the pros and cons of charging at that high amperage.

Hoese37 07-21-2015 05:36 PM

Pros: Charges faster, gives the lipo more punch, heats up the pack.

Cons: Drastically shortens lipo life, doesn't fully charge the pack, heats up the pack, can cause the lipo to become volatile.

Roelof 07-21-2015 10:39 PM

And if everyone is doing it then the fuses at the organisation will be blown. Because of this and safety we have rules not to charge more than 2C

JimmyG 07-22-2015 08:11 AM

If you do decide to do this, then it must be balanced charged, (along with a capable charger and power supply) and do not walk away from the pit area. Keep an eye on it all times.
You may get some puffing from the battery as well. Puffing is ok, most batteries puff a little at high charge and discharge rates.

You will get a lot of punch, at the starting line, and down the straights.

Matt Trimmings 07-22-2015 08:16 AM

To get heat in the pack it must be discharged at a high amp rate (30-40) then immediately charged at a high amp rate (30-40) to keep the heat in the pack. Internal heat lowers the ir of the pack and allows the power to flow easier out of the pack. This all means nothing if you crash. You need a good charger (ichrager) to be able to do all this properly.

rhodopsine 07-24-2015 02:36 PM

Let`s just say that it's a lot of risk for a potential small reward.

Martin Paradis

Dave H 07-24-2015 02:50 PM

Some are reporting as good as, if not maybe better, results with charges in the 20-30A range. With good pack life. If a little is good doesn't always mean more is better.

racer1812 07-25-2015 09:38 PM

Opinions on the gains are subjective. Either way, MAKE SURE you're well educated on how to do this process as safely as possible. You can minimize the risk but not eliminate it. Be safe and again, educate yourself first.

cbrking805 08-23-2015 10:09 PM

Ok im all about education before mistakes.I own a teak power vr1 that can charge at 20 plus amps but i think ill stick with one to two c charge rates i just feel more comfortable at that level that for the info

WesRaven 08-28-2015 04:56 PM

Everyone should be using a LIPO bag when charging, but especially make sure you use one for high amp charging.

Turtlex 08-28-2015 09:23 PM


Originally Posted by Hoese37 (Post 14105411)
Pros: Charges faster, gives the lipo more punch, heats up the pack.

Cons: Drastically shortens lipo life, doesn't fully charge the pack, heats up the pack, can cause the lipo to become volatile.

his post is on the money. You see this a lot in oval racing where that 1/10th of a second could mean a win or 2nd place. Definately use a lipo sac. It's not as much the charge rate as it is getting the pack hot to give it just that tiny bit more punch. And it WILL shorten the life. I wouldn't recommend it at all unless your oval racing and can afford getting a dozen new packs a season

cbrking805 09-07-2015 10:55 PM

Thanks ill definately do some research, found doing a little research can save alot of headaches in this hobby . Havent tried this yet but ill let you know how it goes, will the trak power vr1 perform this heating of the pack process?

filippimini 09-08-2015 02:00 AM

I was told when starting out to never charge at more than 1C. At time I didn't question this, but now that I have read this, I feel as though I might be missing out (although my charger is not capable of more).

cbrking805 09-08-2015 07:13 AM

The class where all the little tricks counts is stock class 17.5. Its very competitive and heating packs is another trick to get that battery hotter or lower ir or just go faster haha, to me it might be worth doing if i get serious one day,and start going to more races. The drive is always 3 hours to s track so going club racing is hard to do

racer1812 09-08-2015 07:18 AM


Originally Posted by cbrking805 (Post 14174620)
Thanks ill definately do some research, found doing a little research can save alot of headaches in this hobby . Havent tried this yet but ill let you know how it goes, will the trak power vr1 perform this heating of the pack process?

Honestly, No at a max of 20amps. And charging is only half of the process. You need to be able to discharge the pack at a high rate first.


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