Inside an Aldi Ferrex 20/40V battery (with schematic)

Inside an Aldi Ferrex 20/40V battery (with schematic)

#Aldi #Ferrex #2040V #battery #schematic

“bigclivedotcom”

This was one of those reverse engineering projects that had to be revisited a few times. The circuitry is unusual and it took a while before the puzzle clicked into place. It’s always that bit harder to probe surface mount components on a double sided PCB if trying to probe both sides at…

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