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High-current circular power connector designed for the demanding environments of Ebikes and electric motorcycles.

Release time : 2026-09-08 Author:Degson Technical team

I.To address specific high-demand scenarios, we have launched a customized solution: the EBBLA series.

1. Scenario 1: High-power electric motorcycle battery discharge

Imagine a 48V or 60V high-capacity battery pack driving a high-torque hub motor. During full-throttle acceleration, the current spikes instantly. Ordinary connectors heat up, lose efficiency, and can even burn out. The EBBLA's rated 50A high-current capacity provides ample safety margin, ensuring stable power output even during prolonged climbing or heavy loads, eliminating overheating risks.

2. Scenario 2: Outdoor water-crossing applications requiring high protection levels

Micro-mobility vehicles travel through city streets and country roads, facing heavy rain, water crossings, and splashing mud. Once ordinary connectors get water ingress or dust accumulation, the consequences range from short-circuit alarms to fire hazards. The EBBLA achieves IP67 protection rating when mated (socket side also IP67 individually), and operates stably under extreme temperatures from -40℃ to +105℃. This means it remains unscathed in freezing winters and high-humidity rainy seasons alike.

3. Scenario 3: High-frequency plugging in rental or shared fleets

Shared ebikes and rental scooters face extremely high usage frequency and rough handling. Connectors must withstand thousands of mating cycles without failure. The EBBLA offers a mechanical life ≥ 3,000 cycles, far exceeding industry averages. Its quick push-pull structure, combined with an extraction force > 25N, enables maintenance personnel to swap batteries quickly while ensuring the connector does not accidentally detach during riding vibrations.

II. Who needs this solution more?

Every engineer has experienced this dilemma: you need a connector that can handle high current, fit into a cramped battery compartment, and still leave room for intelligent BMS communication. Most connectors force you to choose between "power" and "intelligence."

The EBBLA 50A circular power connector, designed specifically for the demanding environment of micro-mobility, delivers 50A sustained high current and dedicated signal circuits within a single compact housing. It answers the question every engineer is asking: how to pack more power and smarter control into a smaller space?

III. The difference between EBBLA and ordinary circular connectors lies in four key engineering decisions

1. Hybrid Architecture: 50A Power + 2A Signal, One Plug Does It All

Traditional designs separate power cables from BMS communication lines, resulting in messy wiring and wasted space. The EBBLA innovatively integrates 2 sets of 50A high-current pins and 4 sets of 2A signal pins into a single circular interface. This not only halves wiring complexity and frees up precious space inside the battery compartment, but also delivers a seamless "power-on equals communication-on" experience.

2. Audible and Visual Feedback: Say Goodbye to Blind Mating, Eliminate Misoperation

Misalignment during assembly is a common cause of connector failure. The EBBLA provides clear audible "click" feedback and visual confirmation (signature blue locking ring closure) when fully mated. This dual-confirmation mechanism eliminates guesswork, significantly reducing defect rates on the production line and misdiagnosis rates during field maintenance.

3. IP67 + Salt Spray Testing: Built for the Worst Road Conditions

Micro-mobility vehicles face erosion from rain, mud, and de-icing salt. The EBBLA not only achieves IP67 protection, but also passes rigorous 72-hour neutral salt spray testing (compliant with UL94-V0 flame retardancy standards). On coastal roads with high salt spray or winter roads treated with de-icing salt, it effectively prevents metal terminal corrosion and housing aging, ensuring long-term contact reliability.

4. Straight and Right-Angle Dual Configurations: Ultimate Ergonomics

Space inside the battery compartment is at a premium, and cable routing directions are often constrained. The EBBLA offers both straight plug and 90-degree right-angle plug configurations. Whether routing cables laterally from the battery pack surface or axially connecting to the controller end-face, engineers can find the optimal layout solution, reducing cable bending stress and improving overall vehicle aesthetics.

IV. Micro-Mobility Connection Solutions for the Future

The Degson EBBLA 50A circular power connector is more than just a component — it is a strategic enabler for next-generation high-performance micro-mobility vehicles. By combining high current capacity, intelligent signal integration, IP67 protection, audible/visual feedback, and high-frequency durability within a compact footprint, it helps engineers design smarter, more reliable, and more competitive products.

When your design team evaluates interface options for the next vehicle project, consider adding the EBBLA to your comparison list. You can:

  • Contact the Degson sales team for Datasheets and 3D models
  • Request the complete Degson micro-mobility connector product catalog
  • Apply for samples for real-world vehicle testing and verification

Contact Information: Website: www.degson.com

FAQ

Q1: What are the electrical specifications of the EBBLA? Which vehicle types is it suitable for?

The EBBLA features 2 x 50A power pins and 4 x 2A signal pins, with a rated voltage of 110V DC (IP67 when mated, socket side also IP67 individually), mechanical life ≥3,000 cycles, and an operating temperature range of -40℃ ~ +105℃. It is ideally suited for battery discharge and signal transmission in 48V / 60V / 72V platform electric motorcycles, high-power ebikes, and industrial LEVs. The 50A current-carrying capacity provides ample safety margin for overload conditions such as full-throttle acceleration and prolonged hill-climbing.

Q2: How does the EBBLA perform in terms of protection and environmental adaptability?

The EBBLA achieves IP67 protection when mated (socket side also IP67 individually), passes the 72-hour neutral salt spray test, and meets UL94-V0 flame retardancy. It operates reliably long-term in Southeast Asian high-humidity monsoon seasons, coastal high-salt-spray environments, and on winter roads treated with de-icing salt in northern regions — a micro-mobility connector truly engineered for the worst road conditions.

Q3: What configurations does the EBBLA offer? How does it solve space constraints in battery compartments?

The EBBLA is available in both straight and 90° right-angle plug configurations, featuring a quick push-pull structure. Upon full mating, it provides a crisp "click" sound and visual confirmation via the signature blue locking ring, with an extraction force >25N. The straight version is ideal for axial docking at the controller end-face, while the right-angle version perfectly resolves the space constraints of lateral cable exit on the battery pack surface — significantly reducing cable bending stress and enabling optimal layout even within compact battery compartments.

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