I feel like I know a decent amount about golf cart batteries. We have always had the regular lead batteries that you have to fill up with distilled water. A lot of golf carts are using the lithium batteries now because they are suppose to last longer and require no maintenance, but what about AGM batteries? My parents just purchased a cart and it has AGM batteries. Supposedly no maintenance, but does anyone know if these will work well in a golf cart in the heat?