Selector
Language
简体中文 English
Products
Current category product name

Large 2+4 Pin (40A+5A)

The Large 2+4 is a hybrid power and signal connector, supporting a rated voltage of 80V DC and a rated current of 40A. It features IP67 protection (mated condition), a mating durability of up to 3,000 cycles, and a wide operating temperature range of -40°C to 105°C, ensuring stable and reliable performance in harsh environments.

Advantages
1. Integrated Power and Signal Transmission
2. IP67 High-Level Protection
3. High Durability – 3,000 Mating Cycles
4. Diverse Configurations and Complete
Download Solution Inquiry Buy Now

Specifications Challenges Positioning Features Applications Cases FAQ Related

Specifications

Rated Voltage: 80V DC
Rated Current: 40A+5A
Withstand Voltage: 1,500V AC
Insulation Resistance: 100MΩ at DC 500V
IP Rating: IPX7 Mated
OperatingTemperature: -40°C to 105°C
Salt Spray: 5% Nacl, 48H
Mating Cycle: 3,000 Cycles
Wire Gauge: Power 9AWG/Max, Signal 20AWG/Max
Wire Processing: Solder
Flammability Rating: UL94V-0

Challenges

With the rapid development of electric two- and three-wheel vehicles, battery connection interfaces are facing evolving technical and regulatory requirements:
1. Rising Regulatory and Safety Requirements

Global markets are introducing requirements for communication capability and waterproof performance (e.g., IPX7) at the battery system level, driving the transition from pure power transmission to more integrated interface solutions.


2. Increasingly Demanding Operating Environments

Frequent charging and battery swapping, combined with outdoor and harsh conditions, place higher demands on waterproofing, durability, and connection reliability.


3. Limitations of Conventional Solutions
Traditional connectors are primarily designed for power transmission and struggle to meet the combined needs of communication, safety, and reliability.

4. First-Mover Innovation and Industry Evolution

As early as around 2015, Chogori, in collaboration with a leading global drive system customer in the electric two-wheeler sector, pioneered the development of integrated power + signal connector solutions with the Large 2+4 series.


Through continuous validation and iteration in real-world applications, this solution has been widely adopted across the industry, driving battery interface design toward greater integration and higher reliability, and establishing itself as a mainstream technical approach.

Positioning

The Large 2+4 series is a mature and reliable connector solution designed for battery charging and discharging applications in electric two- and three-wheel vehicles.


The product supports up to 80V DC / 40A, features an IP67 protection rating, and offers a mating durability of up to 3,000 cycles. With its integrated power and signal design, it ensures stable and reliable connections under demanding operating conditions. It has been widely adopted across the industry and is recognized as one of the mainstream interface solutions.

Features

1. Integrated Power and Signal Transmission
The 2+4 pin configuration enables simultaneous high-power charging and reliable signal transmission, supporting real-time communication between the BMS and the vehicle, and addressing the limitation of traditional power-only connectors.

2. IP67 High-Level Protection
Designed with advanced sealing structures, ensuring stable electrical and signal performance in harsh environments such as rain, dust, mud, and moisture.

3. High Durability – 3,000 Mating Cycles
Suitable for high-frequency use cases such as battery swapping systems, maintaining stable performance under repeated mating and unmating.

4. Diverse Configurations and Complete Charging/Discharging Solutions
Supports both charging and discharging applications, offering comprehensive solutions for both residential (To C) and commercial battery swapping (To B) scenarios.

Applications

Chogori Large 2+4 Series Connectors, “Stay Original, Continue to Lead” — this series has been widely validated in the industry and deployed at scale. It plays a key role in the following four application scenarios:
1. Vehicle Charging Port
Used as the vehicle-side interface to connect with external chargers, enabling safe and efficient charging. The IP67 protection rating ensures reliable performance in outdoor environments.


2. Battery Charging Port
Integrated into the battery pack, supporting connection with onboard or external charging devices, while balancing compact design and ease of use.


3. Battery Discharge Port
Delivers power from the battery to the vehicle system while enabling BMS signal transmission for real-time battery monitoring and safety management.


4. Battery Swapping Cabinet Interface
Designed for high-frequency mating scenarios, with 3,000 mating cycles and a reliable locking mechanism to ensure long-term stable operation.
This series covers the full power interaction chain of electric two-wheelers, from residential charging to commercial battery swapping, providing OEMs, battery manufacturers, charging equipment providers, and mobility operators with a unified, safe, and efficient battery interface solution.




Cases


FAQ

Q

Which Chogori connectors are suitable for portable energy storage applications?

A
Chogori offers several connector solutions for portable energy storage applications, where compact size, lightweight design, quick mating, and safety protection are essential.

Recommended products include the BangaX100 Series 2+8 pin (100A + 5A) and Bourbon80 Series 2+8 pin (90A + 5A).

These connectors feature an integrated power + signal design, enabling high-current power delivery and device communication within a compact form factor. They also offer keying, reverse-mating protection, and IPX7 protection, making them suitable for charging and discharging interfaces in portable power stations and portable energy storage systems.

They are well suited for applications such as camping, outdoor power supply, and emergency backup power, providing a convenient and reliable connection solution.
Q

Which Chogori connectors are suitable for commercial and industrial energy storage systems?

A
Chogori’s CPL Series is an ideal connector solution for commercial and industrial energy storage systems, where high-current, high-power transmission, reliability, and safety are critical.

The CPL Series covers a current range of 100–300A and is designed for connections between battery clusters and PCS (Power Conversion Systems) in commercial and industrial energy storage cabinets and large-scale energy storage plants.

Featuring high-current contacts and reinforced insulation, the series supports long-term, high-power charging and discharging. It also provides IP67 protection and arc-resistant design, enabling reliable operation in demanding commercial and industrial environments while enhancing overall system safety and stability.
Q

Which Chogori connectors are suitable for residential energy storage systems?

A
Chogori offers a range of connector solutions for residential energy storage systems, where safety, multi-signal integration, and ease of installation are key requirements. The solutions can be divided into two main categories:

1. Power Connection Solutions
The FC31 Series 3+14 pin (70A + 3A) and Large Series 2+13 pin (20A + 5A) support high-current power transmission between battery packs. They feature mis-mating prevention and anti-pullout designs, helping ensure safe and stable operation of residential energy storage systems.

2. Signal & Communication Solutions
The Mini Series 6-pin (2A), RJ45 Series, and USB Series support BMS data acquisition, system monitoring, and communication, enabling real-time equipment status monitoring and remote management.

These solutions are well suited for applications such as residential energy storage cabinets and small-scale energy storage systems.
Q

Which Chogori connectors are suitable for solar tracking systems?

A
Chogori offers several connector solutions suitable for solar tracking systems, where connectors are exposed to outdoor conditions for extended periods and require excellent weather resistance, vibration resistance, and stable electrical performance.

Recommended products include the Standard Series 2–8 pin (5–10A) and Middle Series 2–4 pin (15–20A).

These connectors feature secure locking mechanisms and weather-resistant sealing materials to withstand strong wind-induced vibration, temperature fluctuations, and rain exposure. They provide reliable power and signal transmission between PV modules and control systems, making them suitable for the wiring requirements of single-axis and dual-axis solar tracking systems.
Q

Which Chogori connectors are suitable for IoT (Internet of Things) applications?

A
Chogori offers a range of connector solutions for IoT (Internet of Things) applications, addressing requirements such as compact design, multi-signal integration, low power consumption, and high reliability.

Recommended products include the Mini Series 7-pin (2A), Standard Series 8/12-pin (5A/2A), Middle Series 10-pin (5A), Large Series 24-pin (5A), and M12 Series 8-pin (2A).

These connectors support multi-channel signal transmission, enabling sensor data acquisition, device control, and communication within a single system. Most models feature IP67 protection, making them suitable for demanding environments such as outdoor gateways and smart meters.

They are widely used in smart cities, smart home systems, and industrial IoT applications.

Related

Get verification code

  • ico12.png
  • ico01.png
  • ico03.png
  • TUV.png
  • ico02.png
  • ico08.png
  • ico07.png
  • ico04.png
  • ico09.png
  • ico10.png
  • ico05.png
  • 16949副本.png
Links：
Copyright © Chogori Technology Co., Ltd 粤ICP备10071646号