12V Electric Trailer Brake Breakaway Kit

Trailer Parts Pro® 12V Electric Trailer Brake Breakaway Kit – 1–2 Axle Trailers

The Trailer Parts Pro® 12V Electric Trailer Brake Breakaway Kit is designed to activate your trailer brakes automatically if the trailer becomes disconnected from the tow vehicle. Built for 1–2 axle trailers, this complete prewired kit helps keep your trailer safe and compliant on the road.

This kit features a side-mount, front-access battery box with a built-in LED push-to-test battery indicator, making it easy to check battery condition at a glance. The included 5-amp charger helps maintain the rechargeable 12V battery whenever the trailer is plugged into the tow vehicle.

The LED indicator displays battery status including charging, fully charged, or recharge needed.

Key Features

• 12V Breakaway System: Designed for trailers with electric brakes
• Fits 1–2 Axle Trailers: Ideal for utility, cargo, equipment, dump, and car hauler trailers
• Automatic Brake Activation: Applies trailer brakes if the trailer separates from the tow vehicle
• Integrated 5-Amp Charger: Helps maintain battery charge while towing
• LED Push-to-Test Battery Indicator: Quickly check battery condition and charging status
• Prewired Design: Helps simplify installation
• Front-Loading Battery Box: Easy battery access for maintenance and replacement
• 5 Amp-Hour Battery Included: Rechargeable 12V battery included
• DOT & SAE Compliant: Designed to meet trailer safety standards

Specifications

• Brand: Trailer Parts Pro®
• Voltage: 12V
• Charger Output: 5 amps
• Axle Capacity: 1–2 axle trailers
• Battery Capacity: 5 amp-hour rechargeable battery
• Case Style: Side-mount with front-loading access
• Battery Indicator: LED push-to-test charge monitor
• Dimensions: 5-5/8″ W x 5-1/8″ H x 4-1/8″ D
• Mounting Style: Side-mount
• Compliance: DOT and SAE compliant

Kit Includes

• Breakaway battery box with built-in LED battery indicator
• 12V rechargeable breakaway battery
• Integrated 5-amp battery charger
• 7″ breakaway switch with pin and lanyard
• Mounting hardware

Common Trailer Applications

• Utility trailers
• Cargo trailers
• Equipment trailers
• Dump trailers
• Car haulers
• Landscape trailers
• Boat trailers with electric brakes

This Trailer Parts Pro® breakaway kit provides dependable emergency trailer brake activation and reliable battery charging in one compact setup.

Need Help? Contact Our Trailer Experts!

We’re here to help with trailer wiring questions, fitment, and installation support.

Call or Text Johnson Trailer Parts at (602) 292-9690