A G M Batteries

kccwoodworks wrote:
What no one has mentioned yet is AGM's don't gas. They don't need to be vented therefore are safer. The only place for batteries in my van is inside where a wet cell would be dangerous.

AGM's DO gas if you overcharge them. And "overcharging" can be using too high a float voltage in hot weather. Another member here confirmed that in his testing (HiTech). You don't want AGM's to outgas. Keep your voltages close to manufacturers recommendations and use temperature compensation. It seems a lot of people here use solar in conjunction with AGM's so my guess is they're using temp compensation.