Battery advice

Hi all. Looking for general advice on batteries. I've scoured the forum, and found lots of detailed construction and wiring info, but virtually nothing on just choosing a battery.
In general, I am trying to decide on type and placement of a battery in my teardrop build.
A traditional RV/marine deep cycle, or a golf cart battery appear to be economical choices. However, I am worried about the off gassing of a lead acid battery, and think I would be forced to mount it outside on the tongue. I really don't want to do that for aesthetic and weight distribution issues.
The sealed AGM batteries look to be a good choice, but there are still concerns. Charging could be a problem if I understand the heat and overcharge issues correctly. It would be so much simpler to just charge off of the tow vehicle. Also, I see where they still recommend mounting in a vented box, so there must still be gassing issues. I really don't want to sleep next to a battery giving off fumes.
Are these my only choices? Am I overthinking it? Any advice or experience would be much appreciated.
Thanks.
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In general, I am trying to decide on type and placement of a battery in my teardrop build.
A traditional RV/marine deep cycle, or a golf cart battery appear to be economical choices. However, I am worried about the off gassing of a lead acid battery, and think I would be forced to mount it outside on the tongue. I really don't want to do that for aesthetic and weight distribution issues.
The sealed AGM batteries look to be a good choice, but there are still concerns. Charging could be a problem if I understand the heat and overcharge issues correctly. It would be so much simpler to just charge off of the tow vehicle. Also, I see where they still recommend mounting in a vented box, so there must still be gassing issues. I really don't want to sleep next to a battery giving off fumes.
Are these my only choices? Am I overthinking it? Any advice or experience would be much appreciated.
Thanks.
Sent from my SM-T817V using Tapatalk