Modified my Schumacher
Model number sc2500a. No longer in production. This Charger works pretty nicely as a converter, on the 12 amp setting, handling such cycling loads as a ~2.7 amp compressor fridge and a 6.2 amp mat...
Forum Discussion
I don't think airflow is going to control the output of the charger. It may have a temperature sensor to activate the fan and that may be tied into the internal voltage regulation of the charger, i.e. when a regulator heats up, it activates the fan circuit.
My larger multi-amp Schumacher charger has a fan that operates even if a charge level isn't selected (it runs all the time). There may be a way to disable the auto equalization feature or place a switch in that circuit to interrupt. One would have to have a schematic or be able to map the circuits in the charger to do a safe hack like that.
All of this harkens back to Mex's take on using a dumb charger and having a timer. If we know how the charger operates, we can limit it's charging profile by time in use.
My larger multi-amp Schumacher charger has a fan that operates even if a charge level isn't selected (it runs all the time). There may be a way to disable the auto equalization feature or place a switch in that circuit to interrupt. One would have to have a schematic or be able to map the circuits in the charger to do a safe hack like that.
All of this harkens back to Mex's take on using a dumb charger and having a timer. If we know how the charger operates, we can limit it's charging profile by time in use.
