Name: 250A Connector Specification Energy storage battery connector
Brand: Juheng technologies co. Ltd.
SKU: JH-LJ-250-01-R/BK
Availability: InStock
Rating: 5 (1 reviews)

Description

Ⅰ、Product appearance

Positive pole:JH-LJ-250-01-R

Negative pole:JH-LJ-250-01-BK

Ⅱ、Performance parameter：

1、Electrical parameters

■ Rated Voltage：1500V DC

■ Rated current：250AMP

■ Withstand voltage：4200V DC

■ Insulation Resistance：≥100MΩ

■ Contact Resistance：≤0.5mΩ

2、Mechanical parameter

■ Contact surface diameter：22×22mm

■ Screw bore diameter：M8

■ Tightening torque: M8 Threaded hole (Coarse thread)：12N.m MAX

3、Materials composition

■ Conductor: T2 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

Ⅲ、External dimension

Units：mm

Ⅳ、Installation trepanning

Units:mm

High-Current Interface for Large-Scale Energy Storage Engineers
This 250A connector is engineered for system designers building high-capacity battery cabinets, large rack systems, and commercial-grade storage modules that require stable and low-resistance current transfer. The terminals use heavy-gauge conductive alloy to maintain uniform pressure and reduce contact heating under peak loads. Its robust polymer housing ensures insulation strength even during continuous cycling or elevated temperature operation. Compatible with wiring architectures supplied through professional battery connector supplier networks, the connector supports standardized module-to-module linking. When integrated into systems using battery connector assemblies, it delivers consistent current distribution and improves electrical reliability across solar storage banks, hybrid backup units, and containerized ESS platforms.

Mechanical Locking and Contact Control for Demanding Load Conditions
To prevent disengagement during vibration, handling, or load switching, the connector incorporates a reinforced locking mechanism with guided insertion rails, improving both safety and alignment accuracy. The precision-machined contact surfaces reduce micro-movement and maintain stable resistance values, even when subjected to torque variation or long-term operation. This performance is essential for movable storage units, high-power forklifts, commercial vehicles, and mobile charging platforms that utilize lipo battery connector formats. For distributors and integrators working with components sourced through battery connector wholesale, the connector’s consistent interface geometry ensures reliable cross-project deployment and simplifies assembly training for technical teams.

Cross-Platform Integration for EV Auxiliary Power and Storage Cabinets
The connector’s 250A rating allows it to serve in applications involving high-power auxiliary circuits, DC bus distribution, and EV-mounted energy packs. Its thermal-stable design minimizes resistance drift during rapid current transitions, enabling safe operation in constrained and high-vibration environments. Automotive engineering teams relying on battery connectors car benefit from its sturdy housing and polarity-controlled design, which prevents misalignment during field service or maintenance. System integrators working on multi-battery configurations—AGM, lithium iron phosphate, or lead-acid hybrid—can rely on the connector’s stable performance to maintain current balance and reduce overall system stress.

Product Advantages

Enhanced Terminal Geometry Supporting High-Current Transfer
The connector features enlarged contact surfaces and a conductive alloy optimized for high-amperage stability. This geometry ensures even current distribution and reduces hotspots, extending connector life under frequent cycling. The plating improves oxidation resistance, helping preserve low-resistance pathways when used with large battery strings. When paired with large-gauge cables or professional battery connector terminal assemblies, the connector maintains secure engagement and supports predictable system diagnostics across long-term operation.

Modular System Adaptation Across Storage and Mobility Platforms
The connector’s modular housing accommodates multiple cable sizes and strain-relief options, enabling flexible integration into cabinet-mounted systems, mobile chargers, or EV auxiliary packs. This structure supports compatibility with lipo battery connector formats and automotive-grade wiring schemes including battery connectors car, allowing engineers to design unified harness systems without altering interface geometry. For procurement teams handling large orders under battery connector wholesale, the standardized dimensions ensure interchangeability and simplify multi-project deployment.

Operator-Safe Handling and Field-Service Efficiency
The connector includes ergonomic grips, polarized housings, and clear alignment cues to support quick, controlled operation by technicians. These features reduce the risk of improper engagement and shorten service downtime. When integrated with components sourced from a battery connector supplier, the connector’s mechanical clarity helps technicians execute torque checks, connector replacement, or system reconfiguration with confidence. Its surface markings enhance visibility inside densely wired cabinets, improving workflow efficiency during inspection or commissioning tasks.

Use Scenarios

ESS Integrators Building High-Capacity Battery Racks
Integrators configuring large storage racks require connectors that can sustain high current flows without compromising installation speed or long-term reliability. This 250A connector supports clean module-to-module linking and clear polarity routing, making it suitable for telecom backup racks, commercial solar banks, and containerized ESS systems. When combined with battery connector wiring schemes, it enables technicians to maintain consistent performance during extended load cycles and reduces system imbalance caused by contact resistance deviation.

Automotive Electrical Engineers Handling High-Power Auxiliary Systems
Engineers responsible for EV subsystem wiring—traction auxiliaries, hydraulic pumps, cooling drives, or DC bus links—require connectors that withstand vibration, heat, and load surges. The connector’s locking stability and current capacity support these demands while ensuring compatibility with battery connectors car layouts. When paired with auxiliary packs that use lipo battery connector interfaces, the component maintains stable electrical behavior even during fast load transitions or regenerative braking events.

Field Service Technicians Deploying and Maintaining Power Equipment
Technicians installing storage cabinets, mobile charging carts, or off-grid power units need connectors that withstand repeated handling and environmental stress. This connector supports quick identification, secure engagement, and clear maintenance access, allowing field teams to execute replacements or cycle tests efficiently. For operations sourcing components through battery connector wholesale, the standardized structure reduces variation across deployments and helps maintain consistent service procedures across multiple equipment sites.

About Us

Our company specializes in designing and manufacturing conductive components, high-current connectors, and wiring solutions for energy-storage equipment, mobility platforms, and advanced power-supply systems. We work closely with integrators, OEM manufacturers, and engineering teams that require stable interfaces capable of supporting continuous cycling, high current density, and long operational life. By applying strict material control, precision machining, and comprehensive testing, we ensure each connector maintains dependable performance under demanding conditions. Our product line covers terminals, bus bars, high-current plugs, wiring assemblies, and customized interface solutions tailored to the needs of energy-storage cabinets, EV platforms, and backup-power infrastructures. We serve global clients who prioritize reliability, safety, and engineering transparency throughout the procurement and deployment process.
Provide your system specifications to our engineers—we will prepare validated high-current connector recommendations for your application!

FAQ

What temperature range can the 250A connector operate within?
It maintains stable performance across typical ESS and EV auxiliary temperature ranges without deformation or resistance drift.

Is the connector compatible with different terminal and harness formats?
Yes. It interfaces with systems using battery connector and lipo battery connector standards, allowing broad integration.

What is the lead time for bulk orders?
Standard production time is 2–3 weeks, with expanded manufacturing capacity for battery connector wholesale procurement.

Can the connector be used in EV auxiliary power routes?
Yes, its locking design and current rating make it suitable for circuits requiring battery connectors car compatibility.

What maintenance is recommended for long-term operation?
Routine inspection of contact surfaces, locking engagement, and cable strain relief supports safe and stable long-term performance.

250A Connector Specification Energy storage battery connector

Description

CONTACT US

Download