The last battery tenders a.k.a. smart chargers that I bought cost about 20$ apiece they were a close out from tractor supply and are a camouflage color and I guess that’s why they were a close out? But should one of them die I will just buy another one why bother to call the manufacture or mail the unit back .. The only time I had a charger go bad was when I dropped it off a shelf and it hit the concrete floor in my Garage I just dumped it in the trash….?
Understand your point - however, they are currently $79.
If just $20, I would have done the same thing