Tecmate's OptiMate 4 (12V, 1A) is compatible with most standard battery connectors, including ceux from Drag Specialties, provided the connectors are compatible with the SAE connector used by the charger.

- The charger comes with a weatherproof battery cable and terminal set that can be connected to standard battery terminals.
- It is important to ensure that the Drag Specialties connectors match the SAE connectors of the OptiMate 4 or that a suitable adaptor is used if necessary.