I'm looking around for a 12 volt automotive type battery charger, and I'm sorely disappointed by most of what I see. I'm looking for something in the 6 to 10 amp charging range. Something that could be used off a simple generator for AC power if need be.
For the most part, chargers today are "automatic" and microprocessor controlled. And if you read online customer reviews, quite a few are units are apparently subject to fail.
To me, microprocessor means you have be careful about what kind of AC power you feed into the unit, or risk blowing a sensitive component. What I want is a charger that will still function reliably with an imperfect power source, an old-school (pre-inverter era) generator.
I'm also skeptical as I review certain "manual" charger options. Again, reviews are mixed, from what I've read. Many fail early, or have defects right out of the box.
Too many tools and devices today are engineered to operate only in a perfect environment.
Reality is, you often have these tools or devices to help cope with adverse or imperfect conditions when status quo "perfection" fails. Design engineers and bean counter manufacturers seem to have forgotten this.