Originally Posted by gulio

If the rate is too high for the pack/leads/ ect. You will find that a very large portion of the charge is done in the cv stage (at full voltage with tapering current) It is possible to use an entire cv stage (no cc stage) if the current is too high and/or the resistance is too high. Especially if the pack isn't discharged all way. In fact once you set it for 4 amps or higher you'll find it is self-regulating and will tag the cv very quickly , partly because of the IR , but partly because of the connector/plug/size leads.