Triumph TR4 Car and Truck Battery

Triumph TR4 Battery Replacement

The Triumph TR4 is a classic British roadster known for its timeless styling, lightweight design, and engaging open-top driving experience. To keep this vintage sports car starting reliably and its electrical system performing as expected, choosing the correct automotive battery is essential.

Not sure which battery fits your Triumph? Use our Battery Fitment Finder or read our blog: Which Car Battery Fits My Vehicle?  .

Best Batteries for the Triumph TR4

Performance and classic vehicles benefit from AGM technology due to increased vibration resistance and higher power demand.

Depending on the model year and electrical demand, we recommend:

• X2Power AGM – premium AGM performance ideal for classic vehicles that benefit from maintenance-free reliability
• Duracell Ultra Flooded / AGM – dependable option for original electrical systems or lightly modernized restorations
• Optima – long-lasting, vibration-resistant power well-suited for seasonal and classic sports cars

All batteries include a free replacement warranty and are available at over 700 Batteries Plus locations. Find your nearest store using our Store Locator.

Lighting & Accessories for Triumph TR4

Support your classic roadster with lighting and accessories designed to enhance safety and protect electrical components. Explore our full selection at the Automotive Center:

• Replacement Light Bulbs — maintain visibility with bulbs for headlights, brake lights, and dash illumination
• Battery Maintainers — ideal for classic cars driven occasionally or stored during the off-season
• Key Services — key cutting and select key fob programming solutions (availability varies)