The 4000's did well with the 30 amp discharge and any thing from 0.8 amp to 20 amp is nice and closely grouped. They would do well in RC but might not be cost effective
Does anyone know the exact chemistry of these KingKong cells? I know as mentioned above, they aren't IMR's but what are they then that it can handle such high current draw?
While these batteries do well for mAh and high draw IMO they are crap if you try and use them in series with out adding solder to them and they will not work in some lights due to the fact the positive button sit's just below the battery outer edge i wish i new that before a brought some.
That's how it is with industrial cells.It's not special with the King Kongs, same problem with the Sanyo UR18650FM, can't get a light to work. King Kong even made the cathode contact higher to compensate for the thickness of the PVC. I have the Sanyo UR16650ZT, those are impossible to be used in series.
Just thought I should bring it up as it was not mentioned in the first 96 post on this thread incase new people are looking to buy some 26650's and resurching. It has been mentioned on some torch threads the TR-J12 is the only one I can think of right now.