This Adapter Lead Allows You To Connect Your Oximiser Battery Charger (which Has A White Oxford Connector Plug) To Battery Ring Leads That Have An Sae Connector.an Sae Connector Is A Molded Connector With One Pin Bare And One Shielded Pin.oxford Produce A Set Of Battery Ring Leads With Sae Connector – See Code El105. Other Accessories Are Available With Sae Connectors Or With The Traditional White Connector.