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Energy Storage Connectors
High-performance connectors for battery energy storage systems. 200A to 400A rated, IP67/IP6K9K waterproof connectors that are ideal for utility-scale BESS and EV charging infrastructure. UL/TUV/CE certified for ESS, EV, and industrial applications.
Energy Storage Connectors
ESS 200A Quick-Lock Connector
200A quick-lock connector for modular ESS with IP67 waterproof rating.
High-current 200A quick-lock connector for modular energy storage systems. IP67 waterproof, 360° rotatable, blind-mate capable.
Technical Specifications
Rated Current200A
Rated Voltage1000V DC
Contact Resistance≤ 0.2 mΩ
Insulation Resistance≥ 5000 MΩ
Protection GradeIP67
Operating Temperature-40°C to +125°C
Mating Cycles≥ 500 times
Cable Range25-50 mm²
Housing MaterialPA66 + GF
StandardsTUV, UL 1977, IEC 61984
Key Features
- Rated current: 200A continuous
- IP67 waterproof protection
- 360° rotatable cable exit
- Blind-mate capable design
- Operating temperature: -40°C to +125°C
- Silver-plated copper contacts
- UL 94 V-0 flame retardant housing
- Vibration resistant per IEC 61373
Applications
Battery Energy Storage SystemsResidential Energy StorageC&I Energy StorageUtility-Scale ESSUPS Systems
High Voltage Connectors
HV 400A High-Voltage Connector
400A high-voltage connector with HVIL interlock for utility-scale applications.
Heavy-duty 400A high-voltage connector for utility-scale energy storage and EV charging. 2-pole with integrated HVIL safety interlock.
Technical Specifications
Rated Current400A
Rated Voltage1500V DC
Protection GradeIP6K9K
Operating Temperature-40°C to +150°C
Mating Cycles≥ 100 times
Cable Range70-120 mm²
Contact MaterialCopper Alloy, Silver Plated
StandardsLV 215, IEC 62196
Key Features
- Rated current: 400A continuous
- 2-pole configuration with HVIL
- IP6K9K ingress protection
- Touch-safe design per IEC 60529
- Integrated temperature sensor option
- Electromagnetic shielding (360°)
- Coding options for polarity protection
- Shielded cable compatibility
Applications
Utility-Scale BESSDC Fast Charging StationsEV Battery PacksHigh-Power Inverters
Waterproof Connectors
WP 150A Waterproof Battery Connector
Compact IP68 150A waterproof connector for outdoor battery and EV applications.
Compact 150A waterproof connector for outdoor battery packs. IP68 rated with positive locking and color-coded housings.
Technical Specifications
Rated Current150A
Rated Voltage1000V DC
Contact Resistance≤ 0.3 mΩ
Protection GradeIP68 (1m/24h)
Mating Cycles≥ 500 times
Cable Range16-35 mm²
Housing MaterialPA66 + GF25
StandardsUL 1977, TUV, CE
Key Features
- Rated current: 150A continuous
- IP68 submersible protection
- Color-coded housing (orange for HV)
- Audible click locking mechanism
- Compact 78mm diameter
- Single-pole and dual-pole variants
Applications
Outdoor Battery PacksEV Battery SystemsMarine ApplicationsTelecom Backup PowerSolar Energy Storage
Battery Connectors
BT 120A Battery Terminal Connector
120A low-profile battery connector with voltage sensing for high-density packs.
Low-profile 120A battery terminal connector with integrated voltage sensing pins for high-density battery module interconnections.
Technical Specifications
Rated Current120A (Power) / 5A (Signal)
Rated Voltage60V DC
Profile Height12.5 mm mated
Operating Temperature-40°C to +105°C
Contact MaterialCopper Alloy, Gold over Nickel
StandardsUL 1977, IEC 61984
Key Features
- Rated current: 120A continuous
- Integrated voltage sensing pins
- Low-profile 12.5mm height
- Floating mount for tolerance compensation
- Screw-less quick connection
- Anti-misalignment guide pins
Applications
EV Battery ModulesESS Battery RacksE-Bike BatteriesMedical Device Batteries
Energy Storage Connectors
MC4 Solar Connector 1500V DC
1500V DC MC4 solar connector, IP68 waterproof, TUV/UL certified for PV-ESS integration.
MC4 photovoltaic connector for solar energy storage systems. 1500V DC rated, IP68 waterproof, TUV/UL certified. Compatible with 4mm² and 6mm² PV cables for solar-storage hybrid applications.
Technical Specifications
Rated Voltage1500V DC (IEC)
Rated Current30A-50A
Protection GradeIP68
Cable Range4mm² / 6mm²
Contact Resistance≤ 0.5 mΩ
CertificationsTUV, UL, IEC 62852
Key Features
- 1500V DC rated
- IP68 waterproof protection
- TUV/UL certified (IEC 62852)
- Compatible with 4mm² and 6mm² cable
- UV and ammonia resistant
- Low contact resistance < 0.5mΩ
Applications
Solar-Storage Hybrid SystemsPV Combiner BoxesSolar InvertersBESS DC Side Connection
Energy Storage Connectors
Circular Industrial Connector M12/M23 Series
Circular M12/M23 industrial connectors with hybrid signal-power configuration, IP67 rated.
Circular industrial connectors for energy storage cabinets and industrial equipment. M12/M23 form factors with multi-pin signal + power hybrid configurations, IP67 rated, vibration resistant.
Technical Specifications
SeriesM12 / M23
Poles3-12 poles (signal), 3-5 poles (power)
Rated Voltage60V-630V
Rated Current4A-20A per contact
Protection GradeIP67
CertificationsIEC 61076-2, UL 2238
Key Features
- M12 / M23 standard form factors
- Hybrid signal + power configurations
- IP67 ingress protection
- 360° EMC shielding option
- Push-pull or screw locking
- Coding options: A, B, D, X codes
Applications
ESS Cabinet Internal WiringIndustrial Control SystemsSensor/Actuator ConnectionsEnergy Management Systems
Frequently Asked Questions
What types of energy storage connectors do you manufacture?
We manufacture a complete range of energy storage connectors including high voltage connectors (200A-500A, 1500V DC), waterproof connectors (IP67/IP68), quick lock connectors, circular M12/M23 connectors, battery terminal connectors, MC4 solar connectors, and industrial connectors. All are UL, TUV, and CE certified. Visit our Energy Storage Connectors page for detailed specifications.
Are your connectors compatible with major ESS integrator systems?
Yes. Our connectors are designed to meet industry standards including UL 1977, IEC 61984, TUV, and LV 215. They are compatible with systems from major integrators including Sungrow, HyperStrong, BYD, CATL, and others. We can also provide custom connector solutions for proprietary systems.
What is the MOQ for energy storage connectors?
Our standard MOQ is 100 pieces for off-the-shelf connectors. For custom connectors, the MOQ is typically 500-1000 pieces. We also offer sample orders (1-5 pieces) for evaluation and testing before bulk purchase.
How long does delivery take?
Standard products ship within 7-15 days. Custom connectors require 15-30 days for tooling and production. We offer air freight (3-7 days) and sea freight (15-45 days depending on destination). Express samples can be delivered within 3-5 days worldwide.
What certifications do your connectors hold?
Our energy storage connectors are certified to UL 1977, UL 4128, TUV Rheinland, CE, and IEC 61984. Our factory is ISO 9001:2015 and IATF 16949 certified. Full test reports and certificates are provided with every order.
Where is PowerConnect Technologies located?
Our headquarters and 25,000 m² manufacturing facility is located in Shenzhen, Guangdong, China (No. 88, Xingye Road, Bao'an District). We have 12 automated production lines, 500+ employees, and export to 30+ countries worldwide. Visit our Factory Tour page for a virtual walkthrough.
What quality certifications does your factory hold?
We hold ISO 9001:2015, IATF 16949:2016, ISO 14001:2015, and our products are certified to UL, TUV, CE, RoHS, and REACH standards. We implement a 5-stage quality control process from incoming material inspection to final outgoing QC with 100% testing. See our Quality Control page for details.
How do I request a quote or sample?
You can request a quote through our Contact page, by clicking the 'Request Quote' button on any product page, or by contacting us via WhatsApp (+86-755-8888-6666) or email (sales@powerconnect-tech.com). We respond to all inquiries within 24 hours.