25' EXTENDER CABLE 16AWG/1.31MM - TecMate

Part #: O53

The TecMate O53 25' (7.6m) Extender Cable is a robust, professional-grade solution designed to provide extended reach for automotive, marine, and industrial battery charging and maintenance applications. This heavy-duty 16 AWG (1.31mm²) cable ensures reliable power transmission over longer distances, making it an indispensable tool for technicians and mechanics working with vehicles and equipment in diverse environments.

Key Features

  • Extended Reach: A generous 25-foot (7.62m) length provides ample flexibility, allowing technicians to connect battery chargers or maintainers to hard-to-access batteries without needing to reposition power sources.
  • Robust Construction: Manufactured with durable 16 American Wire Gauge (AWG) / 1.31mm² SPT2-W cabling and thicker insulation, ensuring consistent performance and enhanced resistance to abrasion and outdoor conditions.
  • Reliable Power Delivery: Rated for 10A continuous use (13A maximum), this cable minimizes voltage drop, critical for efficient charging cycles for automotive, marine, powersport, and industrial batteries.
  • Weatherproof Connections: Features an industry-standard SAE to SAE connection system with a weather and dirt-protected in-line rubber seal, safeguarding connections from moisture and corrosion for dependable year-round indoor and outdoor use.
  • Optimal Conductivity: Gold-coated pins enhance conductivity and offer superior corrosion resistance, ensuring a stable and efficient connection.
  • Extreme Temperature Rated: Designed to remain flexible and perform reliably in extreme cold weather conditions, rated for use down to -40°C / -40°F.

Applications

This extender cable is ideal for professional technicians and mechanics in various settings, including automotive workshops, marine service centers, and industrial maintenance facilities. It allows for convenient charging and maintenance of vehicles on lifts, in adjacent bays, or in outdoor storage areas. It is compatible with all TecMate chargers, excluding the Optimate Pro 4-S, and any other device utilizing the standard SAE 2-pin connector. Common use cases include extending the reach for battery chargers, maintainers, and other low-voltage diagnostic or power supply equipment.

Specifications

  • Manufacturer: TecMate
  • Model Number: O53
  • Length: 25 feet (7.62 meters)
  • Wire Gauge: 16 AWG (1.31 mm²)
  • Connector Type: SAE to SAE
  • Current Rating: 10A continuous / 13A max
  • Cable Rating: SPT2-W
  • Temperature Rating: -40°C / -40°F
Only 8 left in stock - order soon

$32.72

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This product was added to our catalog on Tuesday 15 September, 2026.

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