ORIGINAL: CGRetired
i would throw it on the charger and once it starts getting warm its done
ABSOLUTELY NOT!!! Once it begins to get warm enough to feel the heat, it's already done to much damage. That's why the charge rate should remain below 1C, and best to be done at the slowest possible rate to get the job done.
Never let them get hot enough to feel the heat. All that heat is contained internally and is doing damage. Charge them slowly, and never exceed 1C.
CGr.
Yeah, with most NiMH/NiCd batts, even 1C is a bit much. I try to keep my charge rates for NiMH packs at 1/4C or lower (a 4+ hour charge time). I find even at 1/4C, my packs start to get warm before they peak out.
That's the nice thing about LiPo batts, they can take a 1C charge with no heat at all. I converted all my TX packs to 3S LiPo, now I just have NiMH RX packs in my nitro aircraft.