OptiMate O-77 Heavy Duty Weatherproof EURO5 6-Pin Diagnostic Port to Standard 2-Pin SAE Battery Charge Adapter Cable for Modern European Motorcycles

The OptiMate O-77 is a specialized, professional-grade battery charging adapter designed to create instant plug-and-play charge access via your motorcycle's factory diagnostic port. Engineered specifically for late-model European motorcycles adhering to strict emissions standards, it converts the integrated 6-pin EURO5 red diagnostic plug into an industry-standard 2-pin SAE connector. This lets you attach a smart battery charger or maintainer directly to the bike's charging bus, entirely removing the need to disassemble body panels or hook up permanent ringlet leads directly to hidden battery terminals.

Features and Benefits

• Direct EURO5 diagnostic integration — Connects directly to the factory 6-pin diagnostic connector built into modern European motorcycles, transforming it into an active battery maintenance hub.

• Broad European vehicle fitment — Universally compatible with 2021+ Ducati models, along with late-model Aprilia, Vespa, KTM, and other European powersport models utilizing the standardized 6-pin EURO5 data plug.

• SAE quick-connect access — Bridges factory electronics to an industry-standard 2-pin SAE terminal, letting you utilize any standard smart battery charger, maintainer, or compatible 12V accessory.

• Clean, non-intrusive installation — Eliminates clutter inside the battery box; keep your factory panels intact and simply use the pre-wired diagnostic connection point instead.

• Length: 40 cm (16″) cable offers a compact, tailored run that easily routes to a convenient external point without leaving messy excess wire bunched up under the seat.

• Integrated mounting options — Outer SAE casing is molded with built-in zip-tie loops, allowing you to anchor the charging port cleanly "out of harm's way" along the frame rail.

• Premium 20 AWG wiring — Features high-quality copper strand architecture insulated with durable SPT-1 shielding to ensure consistent current handling and high voltage precision.

• Inline safety protection — Equipped with a heavy-duty 7.5A ATO fuse to fully shield the bike’s sensitive factory wiring loom and diagnostic bus against unexpected electrical surges.

• Weatherproof inline seal — Fitted with an innovative, rubber inline sealing cap and protective sleeve to defend the internal metal pins against moisture, road dirt, salt, and water ingress.

• Rated for –20 °C/–4 °F — Built to survive seasonal elements; the premium insulation maintains structural flexibility and complete performance down into below-freezing winter temperatures.

What’s in the Box

• 1 × OptiMate O-77 Charging Adapter (6-Pin EURO5 Male Plug to 2-Pin SAE, 40 cm)

• Integrated 7.5A ATO inline fuse

• Weather-proof rubber inline sealing cap for the SAE connector

Warranty

• 3-year limited replacement warranty