Dualtron Charging Ports offer GX16 Pins in 2-pin, 3-pin, or 4-pin configurations. Common 3-pin for all Dualtron models, with twin ports supporting parallel charging. The 4-pin port for Range Extender Battery was discontinued in 2023. Since 2021-2022, Minimotors has started introducing insulated charging ports called BAMING, replacing GX16 exposed pins layout.