2+5 Pin Waterproof Battery Connector IP67 for E-Bike & BMS System
Product Overview
1. The 2+5 Pin Waterproof Battery Connector (7-pin hybrid design) is an industrial-grade IP67 waterproof power and signal connector designed for electric vehicles, lithium battery packs, and BMS (Battery Management System) applications.
2. It integrates 2 high-current power pins + 5 signal pins, enabling safe and stable power transmission and data communication in compact energy systems such as e-bikes, scooters, and energy storage batteries.
3. Built with gold-plated contacts and high-strength engineering housing, this connector ensures excellent conductivity, corrosion resistance, and long-term durability in harsh environments.
Key Features & Benefits
- Hybrid 2+5 Pin Design – Combines power transmission and BMS signal communication in one connector
- IP67 Waterproof Protection – Suitable for outdoor EV and energy storage environments
- High Current Capacity (Up to 20A) – Stable charging and discharging performance
- Gold-Plated Contacts – Low resistance and long-term reliability
- 500V Voltage Rating – Supports high-voltage lithium battery systems
- 3000+ Mating Cycles – Industrial durability for frequent plugging/unplugging
- Secure Locking Mechanism – Anti-vibration design for e-bike and scooter applications
Technical Parameters
| Technical Parameter | Specification Value |
| Model Series | 2+5 Pin / 7 Pin Hybrid Connector |
| Rated Load | 500V AC; Power Pin: 20A / Signal Pin: 3A |
| Operating Temperature | -25°C to +70°C |
| Operating Humidity | 95% (at 40°C) |
| Contact Resistance | ≤10mΩ |
| Insulation Resistance | ≥100mΩ |
| Withstand Voltage | 500V AC (50Hz) for 1 minute |
| Insertion & Extraction Force | 20N to 60N |
| Mechanical Mating Life | ≥3000 cycles |
| Application Type | Battery Pack / BMS / EV Charging |
Application Scenarios
- Electric Bikes (E-Bikes) battery charging systems
- Electric Scooters & Light EV power systems
- Lithium Battery Packs (48V / 60V / 72V systems)
- Battery Management Systems (BMS signal interface)
- Energy Storage Systems (ESS)
- Portable Power Stations
- Industrial automation power modules
Frequently Asking Questions (FAQ)
Q1: What is a 2+5 pin battery connector used for?
A1: It is used for combining power transmission and BMS signal communication in lithium battery systems.
Q2: Is this connector waterproof?
A2: Yes, it is rated IP67 waterproof, suitable for outdoor electric vehicles and battery packs.
Q3: Can it support high current charging?
A3: Yes, the power pins support up to 20A current for charging and discharging.
Q4: What is the difference between 2+5 pin and normal 2-pin connectors?
A4: 2+5 pin connectors support both power + signal transmission, while 2-pin only handles power.
Q5: Is it compatible with e-bike battery systems?
A5: Yes, it is widely used in e-bike, scooter, and lithium battery pack systems.
⚙️ Looking for a Complete Cable Assembly or Custom Pinout Wiring Solution?
We provide turnkey OEM ODM services for industrial camera IO cables, trigger cables, and power harnesses.
Get Free Custom Cable Quote
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.