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Originally Posted by Serum
And they are still going strong BatFish? no signs of powerlost yet?
I guess a 4S of them is a must have then.. :p
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Yes, they are going quite strong. I do not, however, have a huge amount of charges on them.
If I had to guess, I'd say I have charged the 2s 3200mah pack about 100 times with most of them being between 5 and 9.5 amp charges (the FMA/Kokam BalancePro 2S system allows up to 3c charging). I've charged two of the 2s2p 6400mah packs about 75 times at anywhere from 5 to 10 amps (the chargers only go up to 10 amps). The last of the 2s2p 6400mah packs has been charged about 25 times at 5 amps.
I have only used these packs at the track, and most times I use the same pack for a full race day - just charge between qualifiers and mains. The 6400mah packs NEVER heat up at all, and the 3200mah pack has never gone more than slightly warmer than room temperature, so I never have to wait to charge and the BalancePro system keeps them balanced without me thinking about it, which is a good thing for me :003:
The unfortunate reality here is that they cost a bit more, FMA is no longer in league with Kokam (most of the products are discontinued), and they're getting tough to find.
However, from what I understand, Great Planes' new lipo packs are Kokam cells. Someone please correct me if I'm wrong.