Best Trailer Breakaway Kit for Electric-Brake Trailers

#1 · Best Overall

1. Superior Trailer Products Side Load Kit

• Weight: 4.13 lb
• Package Dimensions: 7.28 x 5.28 x 4.17 in

Best for: Complete side-load towing kit.

Why it ranks #1: A complete 12V 5Ah setup includes battery, charger, switch, cable, box and wiring; its listing also says it meets DOT requirements.

A side-load battery box makes this Superior Trailer Products kit a practical match when you want the battery, charger, cable, switch, and wiring in one package. Its 12V 5Ah rechargeable battery charges while connected to the tow vehicle, and a push-to-test button uses LEDs to show battery level.

The included battery box, wiring, breakaway cable, switch, and built-in charger bring the main components together, helping buyers start with a complete kit rather than sourcing each listed part separately. Since the 12V 5Ah battery charges while connected to the tow vehicle, regular connection supports battery charging during towing. The push-to-test LED indicator offers a quick status check, and the switch connects to trailer wiring and electric brakes to activate braking upon separation.

Skip it if you need top-load access to the battery; Bright Way Group 2308 specifies a top-load design for access from above.

This kit suits trailer owners seeking a bundled side-load setup with battery charging and a visible status check. Consider the battery-box access direction before choosing; its listed design is side-load rather than top-load.

Listed on Amazon as: Side Load Trailer Breakaway Kit with Battery, Breakaway Switch, Breakaway Cable, Battery Box, Built in Charger, LED Charge Indicator and Wiring. Trailer Accessories for Electric Trailer Brakes

#2 · Best Top-Load Option

2. Bright Way Group 2308

• Weight: 4.5 lb

Best for: Top-load battery access.

Why it ranks #2: The top-load design allows access from above and mounting in any position; its 12V 5Ah battery has green, yellow and red status indicators.

Top-load access lets owners reach the Bright Way kit from above, and its mounting can be in any position. The complete system includes a 12V 5Ah battery, built-in charger, and LED charge indicator that uses green, yellow, and red to distinguish battery status.

The top-load design gives access from above, while the stated ability to mount in any position offers flexibility when choosing a mounting location. Its built-in charger charges the battery while the trailer is connected, and the push-to-test feature lets owners check charge status. Green indicates full charge, yellow charging, and red a need to recharge. Compatibility is specified for single- or tandem-axle trailers with electric braking systems.

Skip it if you need stated compatibility above two axles; CURT Softtrac I supports trailers with up to three axles.

Bright Way suits owners of single- or tandem-axle electric-brake trailers who want top access, flexible mounting, and color-coded charge status. Its specified axle compatibility stops at single or tandem configurations.

Listed on Amazon as: Bright Way 2308 Complete Trailer Breakaway Kit Top Load with LED Charge Indicator 12V5AH Battery Emergency Trailer Brake Switch

#3 · Best Side-Mount Kit

3. BUNKER INDUST Breakaway Kit

• Weight: 4.09 lb
• Package Dimensions: 8.86 x 5.94 x 4.53 in

Best for: Side-mount battery monitoring.

Why it ranks #3: This complete system includes a battery and switch, with a 12V 5Ah battery, push-to-test LEDs, and a weather- and corrosion-resistant design.

A push-to-test LED display separates full charge, active charging, and recharge-needed status, giving owners a quick way to check the battery before towing. The complete BUNKER INDUST kit pairs that monitor with a 12V 5Ah battery, breakaway unit, and switch for trailers that already have electric brakes.

The side-mount installation design can suit a trailer setup where access from the side is practical, while the included battery and breakaway switch keep the core safety components together. Its push-to-test LEDs show whether the battery is charged, charging, or needs recharge, so owners can check status without relying on guesswork. The system activates the trailer brakes if it separates from the tow vehicle, and its weather- and corrosion-resistant construction addresses outdoor exposure.

Skip it if you need a kit for a trailer without electric brakes; this system is specified for trailers that already have them.

Choose this kit if your trailer has electric brakes and you want side-mount installation with an at-a-glance battery check. Its fit boundary is clear: it is for existing electric-brake systems, not trailers without them.

Listed on Amazon as: BUNKER INDUST Trailer Brake Breakaway Kit with Charger, LED Display, Switch, 12V 5Ah Battery for Trailer Caravan

#4 · Best Weatherproof Housing

4. Kohree Trailer Breakaway Kit

Best for: Reinforced weatherproof housing.

Why it ranks #4: Its reinforced-plastic housing is described as waterproof and corrosion-resistant, and the kit includes a 12V 5Ah battery and LED indicator.

A reinforced-plastic, waterproof, corrosion-resistant housing is the defining feature of the Kohree kit, helping protect its internal battery in outdoor trailer conditions. The package includes a 12V 5Ah battery, LED indicator, and switch, and is specified for trailers and caravans with automatic brake activation on disconnection.

The reinforced housing is listed as waterproof and corrosion-resistant, useful for a breakaway unit exposed to outdoor conditions. Inside, the 12V 5Ah battery supplies the system, while the included LED indicator provides a visible status component. The switch activates trailer brakes when the trailer disconnects from the vehicle, and compatibility is specified for trailers and caravans. Buyers can focus their fit check on that vehicle category and their electric-brake setup.

Skip it if you need a battery capacity above 5Ah; Kohree lists a 12V 5Ah battery.

Kohree suits trailer and caravan owners prioritizing a weatherproof, corrosion-resistant housing with a 12V 5Ah battery. Its stated fit centers on trailers and caravans, and the listed battery capacity is 5Ah.

Listed on Amazon as: Kohree Trailer Brake Breakaway Kit

#5

5. ATEM POWER Solar Breakaway Kit

• Weight: 0.88 kg

Best for: Solar-supported storage charging.

Why it ranks #5: A built-in solar panel helps maintain charge during storage; the listing specifies a 12V 3Ah LiFePO4 battery and fit for 1- and 2-axle trailers.

A built-in solar panel helps maintain battery charge while a trailer is parked, an advantage for owners who leave a caravan or trailer in storage between trips. ATEM POWER pairs that panel with a 12V 3Ah LiFePO4 battery and LED indicator for electric-brake trailers with one or two axles.

The solar panel is intended to help maintain charge during storage, reducing dependence on towing connection as the only stated charging context. Its 12V 3Ah LiFePO4 battery and LED indicator provide the listed power source and status display in a compact 6.72-by-3.56-by-1.93-inch unit. Compatibility is specified for one- and two-axle trailers and caravans with electric brakes, so buyers can assess that axle and brake-system fit before installation.

Skip it if you want a listed 5Ah battery; BUNKER INDUST Trailer Brake Breakaway Kit specifies a 12V 5Ah battery.

A good fit for caravan and trailer owners who value solar-supported charge maintenance during storage and have one- or two-axle electric brakes. Its listed battery is 3Ah, so consider capacity alongside the solar feature.

Listed on Amazon as: ATEM POWER Trailer Brake Controller Kit with Switch 12V 3AH LifePO4 Lithium Battery Trailer Breakaway Kit Brake Controller Bulit-in Solar Panel LED Indicator Break Away System for Trailer Caravan IP65

#6 · Best for Up to Three Axles

6. CURT 52040 Softtrac I

• Weight: 12.8 oz

Best for: Three-axle trailer compatibility.

Why it ranks #6: Its listed compatibility extends to trailers with up to three axles, and the kit includes a rechargeable 12-volt battery, charger and lockable case.

Compatibility with trailers of up to three axles gives the CURT Softtrac I a broader stated axle range than many basic trailer setups need. Its 48-inch cable lanyard connects the tow vehicle to the breakaway battery, while the included charger can recharge the 12-volt battery.

The stated support for up to three axles makes this kit relevant to owners whose electric-brake trailer has more than one or two axles. A 48-inch lanyard provides the connection between tow vehicle and breakaway battery, establishing the listed breakaway link. The included charger recharges the 12-volt battery, and a lockable battery case helps deter theft and corrosion. These features address axle compatibility, connection, charging, and battery protection in one kit.

Skip it if you need a lanyard longer than 48 inches; CURT lists this kit with a 48-inch cable.

Choose the CURT Softtrac I if you need stated support for a trailer with up to three axles and value a lockable battery case. Check whether its 48-inch lanyard suits your towing connection layout.

Listed on Amazon as: Curt Manufacturing 52040 Softtrac I Breakaway Kit

#7

7. DUBANGLONG Side Load Kit

• Weight: 4.44 lb
• Package Dimensions: 9.41 x 8.9 x 4.29 in

Best for: Color-coded wiring installation.

Why it ranks #7: This side-load system lists a built-in 12V 5Ah lead-acid battery, charger and LED indicator, plus color-coded ground, brake and battery wires.

White ground, blue brake, and black battery wires give this DUBANGLONG kit a clear wiring map, helping installers identify the listed connections during setup. It also includes a built-in 12V 5Ah lead-acid battery and LED charge indicators, with braking triggered if the trailer detaches from the tow vehicle.

The wire colors identify ground, brake, and battery connections, which can make the installation workflow easier to follow without confusing the listed circuits. A built-in charger replenishes the 12V 5Ah battery from the tow vehicle’s power supply while connected. If the trailer detaches, the safety cable pulls the switch pin; the closed switch then sends battery power through the blue brake wire. LED indicators show whether the battery is charged, charging, or needs attention.

Skip it if you specifically want a LiFePO4 battery; FIERYRED Test-Button Trailer Breakaway Kit lists that battery chemistry.

This is a fit for trailer owners who value labeled wire connections, charge-status LEDs, and a built-in lead-acid battery. Its battery chemistry is an important boundary for buyers comparing it with a LiFePO4 option.

Listed on Amazon as: Trailer Brakes Breakaway Kit with Charger, Side Load Break-Away Controller System with Switch and LED Indicator, Built-in 12V 5AH Lead-Acid Battery, Suitable for Trailer Caravans

#8

8. Rnigs Trailer Breakaway Kit

• Weight: 4 lb
• Package Dimensions: 7.32 x 5.43 x 4.29 in

Best for: Weather-resistant side-mount setup.

Why it ranks #8: It includes a breakaway unit, battery and switch, with push-to-test LEDs and a side-mount design described as weather- and corrosion-resistant.

Rnigs combines side-mount installation with weather- and corrosion-resistant construction, giving trailer owners a defined mounting approach and protection suited to outdoor exposure. The kit includes a breakaway unit, battery, and switch, while push-to-test LEDs indicate whether the battery is charged, charging, or needs recharging.

The side-mount design provides a specific installation orientation, useful when the trailer’s available mounting access favors a side-mounted unit. A complete set of breakaway unit, battery, and switch keeps the listed system components together. During use, separation from the tow vehicle activates the trailer’s existing electric brakes; before towing, the push-to-test LEDs make the battery’s charge state visible. Weather- and corrosion-resistant construction addresses the conditions of exterior trailer mounting.

Skip it if you have a trailer without electric brakes; this kit requires an existing system to activate.

Consider Rnigs if your electric-brake trailer needs a side-mount kit with visible charge status and weather-resistant construction. The key boundary is brake compatibility: its stated operation depends on an existing electric brake system.

Listed on Amazon as: Trailer Brake Breakaway Kit with Charger LED Display, Switch

#9

9. CINVEI Side Load Kit

• Weight: 4.53 lb
• Package Dimensions: 9.29 x 9.02 x 4.41 in

Best for: Color-coded side-load wiring.

Why it ranks #9: The listing describes automatic brake activation on detachment and color-coded ground, brake and battery wires, but provides no battery capacity.

Color-coded ground, brake, and battery wires give the CINVEI kit a practical installation reference, while its side-load controller format suits buyers seeking that access orientation. The system automatically activates trailer brakes upon detachment, and LED indicators provide charge-status monitoring for trailer and caravan use.

The white ground, blue brake, and black battery wire colors identify the listed connections, helping installers distinguish the circuits during wiring. Its side-load controller format provides a specific battery access direction, and the LED indicator supports a charge-status check. The system is described as activating trailer brakes if the trailer detaches from the tow vehicle. CINVEI also advises checking battery condition and ensuring it is properly charged before every trip.

Skip it if you want a listed built-in charger; BUNKER INDUST Trailer Brake Breakaway Kit includes a charger and push-to-test LEDs.

CINVEI fits buyers who want color-coded wiring and a side-load controller for trailer or caravan use. Its stated maintenance guidance calls for checking battery condition and charge before each trip.

Listed on Amazon as: Trailer Brakes Break-Away Kit, Side Load Break-Away Controller System with Switch and LED Indicator, Suitable for Trailer Caravans

#10

10. FIERYRED LiFePO4 Breakaway Kit

• Weight: 1.79 lb
• Package Dimensions: 7.44 x 5.94 x 2.68 in

Best for: Compact LiFePO4 battery kit.

Why it ranks #10: Its title identifies a test button, charger, LED indicator and integrated 3.4Ah LiFePO4 battery, but the supplied details do not establish axle fit or included switch.

At 1.79 pounds, the FIERYRED kit is a comparatively light listed option, and its title pairs a 3.4Ah LiFePO4 battery with a test button, charger, and LED indicator. Those named features give buyers a compactly specified breakaway controller with a way to check battery status.

The 3.4Ah LiFePO4 battery is the key listed power specification, while the integrated controller, charger, test button, and LED indicator group monitoring and charging features in the same kit. Its 1.79-pound listed weight may matter to buyers comparing the handling of breakaway units during installation. The supplied information does not state axle compatibility or a mounting orientation, so buyers should use the listed battery and monitoring features as the basis for comparison.

Skip it if you require a listed 5Ah battery; Kohree Trailer Brake Breakaway Kit specifies a 12V 5Ah battery.

This kit suits buyers seeking a LiFePO4 battery with a test button, charger, and LED indicator in a 1.79-pound package. The supplied details list 3.4Ah capacity but do not specify axle compatibility or mounting orientation.

Listed on Amazon as: FIERYRED Test-Button Trailer Breakaway Kit with LiFePO4 Battery and Charger, Integrated 3.4AH Battery Emergency Break-Away Controller, LED Indicator