How should I configure my charger for charging eXpress GP 3300s?
My recommendation is to set your peak detect to the lowest possible setting as the ambient temperature (air temperature) conditions allow. The more charge pressed into the pack after the peak, the more runtime you will have but the flatter the pack will be. In stock and 19-turn racing, on a Competition Electronics GFX, I typically run at a Peak Detect of .01-.02. Be careful though as you may encounter a false peak, particularly if you dead-short your packs. If this is the case, you’ll need to keep long lockout on on your charger in the beginning of the charge cycle.