Battery Tender Battery Connector
Battery Tender Battery Connectors: Smarter Charging Starts at the Connection
When it comes to battery maintenance, the quality of the connection is just as important as the charger itself. Battery Tender® has long been trusted as a leader in battery charging and maintenance, and their line of battery connectors reflects that same commitment to precision engineering and hassle-free usability. These connectors are purpose-built to work seamlessly within the Battery Tender ecosystem — eliminating guesswork and making regular charging a painless, repeatable process.
The Ring Terminal Harness with SAE Quick Disconnect
The cornerstone of Battery Tender's connector lineup is the Ring Terminal Harness with Quick Disconnect. This is the permanent battery connection accessory that eliminates the need for direct terminal access on every charging session. The 18-inch ring terminal cable mounts to the battery's positive and negative terminals and stays connected — the SAE quick disconnect on the other end provides the interface for any Battery Tender® charger or compatible accessory.
At 18 inches in length, the harness is long enough to route neatly through engine bays, under seats, or along frames, while the 5/16-inch (8mm) ring terminals fit most automotive, motorcycle, marine, RV, and powersports battery posts for a reliable, vibration-resistant connection.
Built-In Safety: The Inline 7.5 Amp Fuse
One of the standout features of Battery Tender connectors is the attention to protection. An inline 7.5 Amp fuse protects the battery and connected accessories from overcurrent conditions — an important safeguard for permanent installation applications where the harness stays connected indefinitely. Red (+) and black (−) ring terminals paired with a keyed SAE connector also prevent reverse polarity errors , making these connectors a smart choice for DIYers and seasoned technicians alike.
Wide Voltage and Chemistry Compatibility
Battery Tender connectors work with any 12V, 8V, or 6V lead-acid or lithium battery — covering modern powersports batteries, golf cart 8V cells, and 6V vintage vehicle batteries alongside standard 12V automotive and marine applications. This broad compatibility means a single harness can serve a garage full of different vehicles without any adapter headaches.
All Battery Tender® chargers and accessories with SAE quick disconnect output are supported — including the Junior family, Plus family, Junior Multi-Chemistry, Weather Resistant, WaveCharge Standard line, and any SAE J563-compatible charger or accessory.
Marine-Grade and DC Power Connector Options
Beyond the classic ring terminal harness, Battery Tender also offers more specialized connector solutions for demanding environments. Silver-plated solid copper alloy contacts resist corrosion and maintain low contact resistance across years of marine use, while UV-protected glass-reinforced thermoplastic housing withstands sun exposure, salt air, and mechanical impact — making Battery Tender DC connectors a reliable choice for boaters and outdoor enthusiasts.
Who Needs a Battery Tender Connector?
Battery Tender connectors are ideal for anyone wanting a tidy, semi-permanent setup for seasonal vehicles, motorcycles in storage, classic cars, boats on trailers, or RVs during off-season charging. The quick disconnect design streamlines charging by letting you connect and disconnect batteries without tools, even when the battery is in a hard-to-access location. Whether you maintain one weekend motorcycle or an entire fleet, these connectors bring consistency and confidence to every charging cycle.
