I have four chargers. All but one are Schumacher brand. I have a 10 amp, a 6/2 amp and two maintainers. All are 6/12v compatible. Wally World sells Schumacher. I've had the 10 & 2 amp chargers for decades & they've never failed. The fourth is a HF charger that I got for Christmas last year.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.