What are golf cart battery?Golf cart batteries are different from car starter batteries. They are deep cycle batteries that can be deeply discharged while powering an electric golf cart battery for miles.General golf cart batteries have 6V, 8V, 12V, etc., depending on your application scenario.Compared to other types of batteries, lithium-ion batteries remain stable over hundreds of charges. Under the same conditions, Li-ion has higher energy density, voltage capacity and lower self-discharge rate.