Ahh the good old days of injections,melted cell wraps, and other such tricks...

I don't recall any chargers being capable of doing that back then.

There were chargers capable of parallel charging and people were using car batteries with a direct connection to add some peak voltage.

And those cells were much more likely to go boom than lipos. I blew a nimh cell once....started hissing on the bench and I grabbed it with pliers and took it outside, just as I got outside one cell went boom. Sounded like a shotgun blast. All the internals of that cell went somewhere.

Some power supplies have enough control to be used as chargers. Mastechs for example. Although I've seen it done with more common supplies too. Where I've seen it is in drag racing. Cells would be barrel shaped, crazy.

IFMAR Rule
 

2.4 Individual cells used in the construction of the battery pack shall be rated at:-
LiPo a maximum of 3.7 volts nominal,
LiFe a maximum of 3.3 volts nominal.
Individual cells may be wired in parallel.
- For 2S packs: the maximum “In Series” is two, to give a pack voltage of maximum
7.4v nominal for Lipo packs, or maximum 6.6v nominal for LiFe packs.
- For 1S packs: the maximum “In Series” is one to give a pack voltage of maximum
3.7v nominal for Lipo packs, or maximum 3.3v nominal for LiFe packs
Cells with a nominal voltage of 3.8V may be used as from 2017 provided that a majority of
manufacturers has them available). The maximum charging cut-off voltage remains at
4.20V. per cell

This is the updated IFMAR rule, EFRA and ROAR are using similar language

What I think Rick meant
"If you havent been teching already there is a 100% chance SOMEONE at your club has already been over charging packs not designed for it anyway."

I know he did not mean 100% of people racing are overcharging.

We really need to find a clever way to check this
Some way there must be something like a meter, that reads volts or something :p

What does everyone think of Amain/Chad Bradley's thoughts on LiHV?
http://www.insidelinerc.com/off-road...hv-technology/

They seem to really push the less prone to puffing, and longer life/more cycles angle. This would be big news for those of us using shorties and for 4wd SC.

Why? Folks are still griping about making 8 min mains in my area when there's no reason why we can't go 10 min with a larger capacity pack, shorter mains is what is killing 4WD SC :(

While researching some LiHV shorties for my stock classes, I came across this review on AMAin:
https://www.amainhobbies.com/reedy-z...c27305/p539041

I can only question what car he was running his pack in???

IMO, shorty's have no business in any 4WD platform based on a 1/8 buggy :(

December 28, 2016
In light of IFMAR and other organizations allowing high voltage (3.8v 1s/7.6v 2s nominal) lipo batteries with the stipulation that the current charge termination voltage remain the same (4.20v 1s/8.40v 2s maximum), ROAR will follow suit allowing HV lipos at 3.8v nominal per cell starting January 1, 2017.

IFMAR:
Cells with a nominal voltage of 3.8V may be used as from 2017 provided that a majority of manufacturers has them available). The maximum charging cut-off voltage remains at 4.20V. per cell

So are some guys charging to over 4.40 per cell on LIHV packs?

4.35 max anything else is a danger to person charging and those around. why do some feel its necessary to overcharge batteries.?

iChargers can be set to 4.4v per cell if you have the latest software. Junsi charger are ce certified, which means they have legal consequences for making something unsafe. If charging to 4.4v per cell made charging that much more dangerous, they legally could not have released that software.

Which charger can be set to charge higher than 4.4v per cell?

I have seen some locals charge their LiPo packs in NiMh mode to boost voltage, I think they watch the voltage and will manually disconnect when they are satisfied with the reading... I have no idea what voltage they are charging to but on occasion there have been guys who forgot they were charging in NiMh mode and left their packs unattended and the packs went up in flames inside the pit room :(