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Mating Cycle：3,000 Cycles |
Voltage Rating：300V DC (power), 80V DC (signal) |
Operating Temperature：-40°C to 105°C |
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Pullout Force：<100N |
Current Rating：50A + 15A + 5A |
IP Rating：IP67 Mated |
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Wire Processing：Solder |
Withstand Voltage：1,500V AC |
Salt Spray：5% Nacl,48H |
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Wire Gauge：Power 9AWG/ Max Signal 1 Pin 16AWG/ Max Signal 5 Pin 20AWG/ Max |
Insulation Resistance：>100MΩ at DC 500V |
Flammability Rating： |
Background
With the rapid growth of electric two- and three-wheelers worldwide, reliable EV charging and discharging connectors have become essential for safe and efficient power transfer. The Chogori Large 2+4/2+1+5 series has been a proven industry-standard battery connector for nearly a decade. As e-mobility evolves toward higher voltage, higher current, and longer range, the demand for high-performance connectors continues to rise. At the same time, batteries—being high-value assets—require enhanced protection, as water ingress can lead to performance issues and costly maintenance. This creates a growing need for connectors that provide waterproof protection even in an unmated condition.
In response, we developed the next-generation Large Pro 2+4/2+1+5 — a high-performance EV connector for electric two- and three-wheelers.
Product Positioning
The Large Pro 2+4/2+1+5 is a high-performance EV charging and discharging connector designed specifically for electric two- and three-wheelers. It supports up to 300V / 50A, featuring high reliability, user-friendly operation, and full compatibility with the Large 2+4/2+1+5 series.
Engineered for e-mobility and battery systems, this connector enables safe, stable, and efficient power connection even in harsh environments — helping customers achieve reliable charging under complex conditions.
Product Feature
1. High Reliability
● Exceptional Vibration Resistance
The upgraded 4-locking-dots mechanism provides superior vibration resistance, ensuring stable battery discharge under challenging road conditions and enhancing safety and the riding experience.
● Waterproof Panel Design
The panel side achieves IPX7-rated single-sided waterproofing, significantly enhancing performance in outdoor environments, extending the lifespan of batteries and connected equipment, and improving safety.
2. Ease of Use
Proper Connection Detectability
The Large Pro 2+4 Connector features arrow indicators, enabling users to easily confirm secure connections, ensuring reliable and confident operation.
3. Compatibility
Compatibility with Existing Large Series
Fully compatible with existing Large connectors, it facilitates seamless transitions without the need to upgrade current batteries, charging stations, or chargers, ensuring stable operation.
Application Scope
● For Electric Two- and Three-Wheeler Manufacturers
As a high-performance EV connector solution, the Large Pro 2+4 offers high reliability and a user-friendly design, helping improve vehicle quality and meet the strict safety and performance demands of the e-mobility market.
● For Battery and Charging Equipment Manufacturers
With enhanced voltage and current capacity, it serves as an ideal battery connector for battery systems and charging equipment, supporting high-power and efficient charging and discharging applications.
● For Shared Mobility Service Providers
Designed for urban mobility and high-frequency operation, its durable and user-friendly design ensures safe and efficient battery swapping, improving overall operational efficiency.
Cooperation Case
