I‘ve found lithium AC to DC chargers are a sore subject. I looked at RV converters, but none really had the correct voltage. Some had an adjustable voltage, but I’m unsure what the float voltage was. You can look at the Iota Series AC to DC chargers or the Iota AC to DC chargers. They come in various sizes and the Iota has plug in profiles based off the battery.
Will recommends an Aims 12/24 Ac to DC chargers, but the only one they manufacture is 70 amps which could be too much for a single battery.