Not sure what is confusing people. As stated in the OP, she leaves her charger on the cart. I want to disconnect it from, and connect it to, the batteries without her having to pull the charging cable from its port. It has the old "V" shaped connector and she damages the cable by pulling on it rather than the cable end. Yes, it would be great if she would grab the plastic shroud instead of the cable, but it will be even easier if I rig a switch to connect/disconnect the charging cables.
What people may not understand is that her cart/charger combination requires that the charger be separated and then reconnected to the batteries before it will attempt to recharge them the next time.