Name: 550A Connector Specification Energy storage battery connector
Brand: Juheng technologies co. Ltd.
SKU: JH-LJ-550-01-R/BK
Availability: InStock
Rating: 5 (1 reviews)

Description

Ⅰ、Product appearance

Positive pole:JH-LJ-550-01-R

Negative pole:JH-LJ-550-01-BK

Ⅱ、Performance parameter：

1、Electrical parameters

■ Rated Voltage：1500V DC

■ Rated current：550AMP

■ Withstand voltage：5000V DC

■ Insulation Resistance：≥500MΩ

■ Contact Resistance：≤0.5mΩ

2、Mechanical parameter

■ Contact surface diameter：24mm

■ Screw bore diameter：M10

■ Tightening torque: M10 Threaded hole (Coarse thread)：20N.m MAX

3、Materials composition

■ Conductor: Copper nickel-plated

■ Insulating material：PA66 Flame retardant V0 Level

■ Insulation parts thermal deformation temperature：205℃

■ Color：Positive pole orange color / Negative pole black color

■ Sealing ring: silicone

Ⅲ、External dimension

Units：mm

Ⅳ、Installation trepanning

§ Units:mm

20250322 Juheng technologies co. Ltd

High-Power Interface for Large-Scale Storage Architects
This 550A connector is engineered for storage-system architects and engineers responsible for designing high-capacity battery clusters, commercial ESS cabinets, and large containerized banks. Its enlarged conductive terminals maintain stable contact pressure during continuous high-current operation, minimizing thermal buildup and reducing the risk of resistance drift. The reinforced housing ensures mechanical and dielectric strength even under long-duration peaks. Compatible with wiring assemblies supplied by professional battery connector supplier networks, it supports predictable system behavior across high-voltage racks. When integrated into systems utilizing battery connector pathways, the connector enhances current uniformity and improves reliability in mission-critical storage platforms such as grid-support units, rapid-charge stations, and industrial backup infrastructures.

Mechanical Retention and Thermal Stability for Demanding Load Cycles
The connector incorporates a reinforced locking structure designed to withstand vibration, mechanical stress, and frequent plugging cycles. Its terminal surfaces undergo precision machining to maintain clean, low-resistance engagement, helping avoid micro-arcing during heavy load transitions. The thermal stability of the conductive alloy ensures consistent behavior during high amperage surges, a critical requirement for mobile charging units, high-output forklifts, and hybrid applications using lipo battery connector interfaces. For large procurement projects sourced through battery connector wholesale, the connector’s consistent interface geometry allows standardized deployment, reducing training time and ensuring alignment across diverse installations.

Cross-Sector Integration for EV Auxiliary Drive and Power-Distribution Systems
With its 550A rating, the connector supports high-power auxiliary circuits found in electric vehicle platforms, mobile energy trailers, and heavy equipment requiring stable DC distribution. The housing is engineered to prevent misalignment, ensuring safe operation in environments where technicians frequently work in confined or low-visibility conditions. Automotive engineers relying on battery connectors car can integrate this connector into auxiliary drive modules, power-distribution junctions, or chassis-mounted packs without compromising thermal margin or durability. It also supports multi-chemistry configurations, enabling consistent performance across lithium-iron phosphate, AGM, and high-density lithium systems.

Product Advantages

Expanded Terminal Architecture Enhancing Current Stability
The connector’s enlarged contact blades support optimal current distribution across the full 550A rating. The plated terminal surface resists oxidation and humidity exposure, ensuring that long-term continuity is maintained even in cabinets with high ambient temperatures. When deployed alongside battery connector components, the terminal geometry reduces voltage deviation across parallel strings and allows diagnostic systems to maintain accurate readings. This structural advantage significantly reduces maintenance frequency, particularly in applications that cannot tolerate downtime.

Configurable Housing Supporting Multi-System Design Requirements
Engineers benefit from the connector’s modular housing, which allows for multiple cable diameters, varied strain-relief configurations, and directional routing options. This accommodates different project layouts, including containerized ESS racks, mobile power units, and independently mounted EV auxiliary packs. Its compatibility with lipo battery connector systems and automotive harness standards such as battery connectors car enables designers to unify interface requirements across mixed platforms. Procurement teams using battery connector wholesale pipelines can deploy the same connector family across projects, reducing SKU fragmentation and simplifying stock management.

Operator-Focused Design Improving Field Safety and Workflow Clarity
The ergonomic structure includes grip contours and polarized guides that support safe operation, minimizing incorrect mating and reducing force required during insertion. Clear mechanical cues help technicians confirm locking engagement without relying solely on visual inspection—a key advantage during field service or low-light maintenance. When paired with hardware sourced through a battery connector supplier, the connector’s consistent tolerances improve technician confidence, streamline inspection procedures, and reduce operational error rates across storage sites and mobile deployments.

Use Scenarios

Grid-Storage Integrators Managing High-Output Battery Clusters
Integrators configuring grid-support or peak-shaving units require connectors capable of sustaining prolonged high-current operation. This 550A connector enables stable, low-resistance paths between large modules, allowing racks to maintain uniform output during demand spikes. When used with battery connector wiring schemes, it supports precise polarity routing and predictable load behavior. Integrators benefit from easy-to-verify engagement during commissioning and routine performance checks.

Automotive Engineering Teams Developing High-Power Auxiliary Systems
EV engineering teams designing auxiliary drives or power-distribution buses require connectors that resist vibration and temperature cycling. The 550A connector’s locking integrity and thermal stability make it suitable for traction auxiliaries, frame-mounted battery banks, and high-load conversion circuits. Its compatibility with battery connectors car ensures seamless integration with existing vehicle harnesses. Projects involving lithium-polymer subsystems also benefit from compatibility with lipo battery connector formats.

Field Technicians Deploying Mobile Charging and Heavy-Duty Power Units
Technicians responsible for mobile charging carts, high-power generators, or off-grid distribution units need connectors that tolerate repeated handling and harsh environments. This connector provides clear alignment, safe engagement, and reliable current delivery even when equipment undergoes frequent relocation. Procurement teams relying on battery connector wholesale resources appreciate its consistent manufacturing tolerances, ensuring interchangeability and reducing the likelihood of field-replacement mismatch.

About Us

We specialize in designing and manufacturing high-current connection systems, conductive components, and wiring solutions for energy-storage equipment, mobility applications, and advanced power-supply architectures. Our engineering approach centers on stable conductivity, mechanical integrity, and long-term operational reliability. By integrating controlled material selection, precision machining, and stringent testing, we ensure that each connector performs consistently in demanding environments such as grid storage, EV auxiliary systems, and high-cycle mobile equipment. Our customers include OEM manufacturers, battery-system integrators, fleet operators, and technical service providers who require dependable interfaces that support safe and efficient power transfer. Through technical collaboration and continuous refinement of product performance, we help clients achieve stable system operation and simplify maintenance across the product lifecycle.
Provide your current-rating requirements and system layout—we will prepare validated connector solutions tailored to your project!

FAQ

What temperature range is suitable for the 550A connector?
It operates reliably within the temperature conditions typical of high-power ESS units and EV auxiliary drives without resistance shift.

Can the connector interface with different wiring systems?
Yes. It is compatible with formats using battery connector and lipo battery connector, ensuring broad integration.

What is the production lead time for large orders?
Typical manufacturing time is 2–3 weeks, with extended capacity available for battery connector wholesale projects.

Can this connector be used in high-power automotive auxiliary circuits?
Yes, its mechanical locking and current rating meet requirements for applications involving battery connectors car.

What maintenance is recommended for long-term stability?
Regular inspection of contacts, locking mechanisms, and cable strain-relief areas ensures safe operation over prolonged use.

550A Connector Specification Energy storage battery connector

Description

CONTACT US

Download