Well you know me. I like old stuff with analog meters. :)
This is what I use when I can keep an eye on it.
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But when I needed a slow charger I could walk away from and leave overnight, I also wanted something small and portable.
I couldn't figure what was best with glass mat batteries. So I just went for Optima's small charger. Maybe overpaid but worth the peace of mind.
Self controlling. Set the type of battery and it does its thing automaticly.