Quote:
Originally Posted by jackbauer
As long as the transformer was designed for a slightly less than full charging voltage and incorporated a simple overvoltage protection circuit i don't see a problem beyond the weight. I'm leaning towards having two taps on the primary that will let me do a fast charge then drop to a float charge. Much as i like the idea of a switchmode charger it doesn't provide isolation unless designed around an almost impossible to source custom hf transformer.
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Don't forget that maximum charging voltage has a quite strong temperature dependence. The higher the temperature the lower is the maximum charging voltage (i.e. gas voltage).