QY XT90+2 PIN COUPLER

QY XT90 + 2 Pin Coupler

The QY XT90 + 2 Pin Coupler is a pre-assembled battery power connection accessory designed to interface an XT90 connector with a 2-pin coupler in compatible DC battery and power systems. It is useful where two different connector formats need to be joined without rebuilding the complete wiring harness. For battery assemblers, EV service technicians, charger integrators, and custom power-system builders, this type of adapter can simplify connection between a battery pack, charger, controller, test setup, or other compatible DC equipment.

The defining feature of this product is its dual-connector arrangement: XT90 on one side and a 2-pin coupler on the other. XT90 connectors are widely used in battery and high-current DC applications because they provide a compact removable connection for two-conductor power circuits. The 2-pin coupler side gives the assembly a second connection standard, allowing it to act as an interface cable rather than a single loose connector.

Technical Details

The coupler functions as an electrical bridge between two connector formats. One side connects to the mating XT90 connector, while the 2-pin side connects to its corresponding coupler. When both mating connectors, polarity, wire size, and electrical ratings are correct for the system, the assembly provides a removable DC connection path.

This product should not be selected only because both connectors physically fit. Battery connectors can look similar while using different pin assignments, gender conventions, wire gauges, or current requirements. Always confirm which side of the assembly is connected to battery positive and negative, and compare the connector orientation with the actual equipment before applying power.

Confirm the XT90 gender, 2-pin coupler style, polarity, wire size and mating connector before installation. The current capability of the complete adapter is determined by the weakest part in the path, including the 2-pin coupler, conductor, terminals and joints—not by the XT90 body alone. Compare the connector keying and pin arrangement with the actual battery, charger or controller before applying power, and verify continuity and polarity with a meter when the adapter is used in a new harness.

Applications

Depending on the complete system design, the QY XT90 + 2 Pin Coupler can be considered for:

• Lithium battery pack wiring

• EV and e-mobility battery connections

• Charger-to-battery adapter leads

• Battery service and testing benches

• Custom DC power systems

• Portable power equipment

• Solar or energy-storage battery wiring

• Controller and battery interface conversions

These examples describe common uses for this connector category; the actual suitability depends on the current, voltage, mating connector, wire size, and polarity requirements of the equipment.

Installation Guide

Inspect the terminals for secure seating and check that no conductor is exposed outside the insulated or protected connection area. In mobile applications, route the cable so that repeated bending, pulling, abrasion, or vibration is not concentrated directly at the connector joint. If the assembly is being incorporated into a production battery pack, verify continuity and polarity before final enclosure assembly.

Why Choose ARB Accessories?

ARB Accessories focuses on lithium-battery, EV, energy-storage and battery-assembly products for technical buyers across India. The product range brings together connectors, wires, fuses, BMS hardware, cells, enclosures, testing equipment and assembly accessories in one specialist catalog, making it easier to source compatible components for the same battery or DC system. Clear product naming, electrical ratings and application guidance help workshops, pack manufacturers, system integrators and service teams compare parts before ordering. For best results, select every component according to the actual voltage, current, connector, conductor and mechanical requirements of the finished system.