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About us
Mingni Tech was founded in 2015 and is a national high-tech enterprise and specialized small and medium-sized enterprise. It has been deeply involved in the field of new energy relays for 10 years, focusing on the research and development, production, and global application of charging piles and energy storage relays. The company is headquartered in Shenzhen and covers an area of 1200 square meters. It has its own “Mingni Laboratory” and fully automated production line. It has passed ISO9001 and ISO14001 international quality system certifications and has applied for 5 core invention patents. Its products cover charging stations, energy storage, battery swapping and other scenarios, and are committed to providing global customers with highly reliable, customized and high-performance new energy relay solutions.
Introduction
Shenzhen Mingni Technology Co., Ltd
Mingni is committed to building a professional technology research and development, production, sales and service platform in the field of intelligent new energy industry. It is an excellent supplier of product solutions for relays, photovoltaic energy storage, and electric vehicle charging.
“Full Link Partner for Charging Piles, Relays, Inverters”
- Our Advantages
- Many types of products: signal relays, power relays, industrial relays, automotive relays, reed relays, high voltage relays, magnetic retention relays, solid state relays, opto-coupler relays, relay modules, charging piles, charging station management systems, and so on.
- Wide industry coverage: new energy, automotive electronics, 5G household appliances, smart home, smart grid, communications, industrial control, aerospace and aviation, and other fields.
- Cross-brand one-stop shopping assistance to help customers reach their purchasing goals and maintain product competitiveness, with nearly 100 domestic and international brands to establish a good working relationship, online and offline consulting technical support!

Three Business Segments
Relay switchs
Signal relay | Industrial relay | Power relay | Automotive relay | Power relay | High voltage relay | Omron relay
Energy Storage
Energy storage technology services, sales of photovoltaic equipment, solar thermal power generation products, inverters
EV Charge Piles
Mingni provides a comprehensive solution for the supply and installation of charging stations for electric vehicles and users.
our products
Main product segments
Charging station input control, charging module, charging pile PDU, AC charging station input control, DC charging station main output control, charging station, charging station management system, etc.

Relay switch
Product advantages: Designed for safe and efficient charging and discharging, with a contact resistance of ≤ 0.9m Ω and a 25% reduction in conduction loss, it helps upgrade the energy efficiency of charging and discharging. Full scene adaptation, compatible with AC/DC/supercharging/energy storage/BMS systems, etc.
electric vehicle charging station
Product features: Short circuit protection, overvoltage and undervoltage protection, overcurrent protection, leakage protection, over temperature protection, lightning protection, tilt protection, etc. Moisture proof, mold proof, salt spray proof, dust-proof, waterproof, sunscreen, windproof, anti-theft, flame retardant, etc. Peak and valley segmented billing, AC energy meter. Human computer interaction, power supply+connectivity+charging+fault LED indicator light+LCD screen, card payment.


energy storage systems
Product advantages: Resistive touch operation, high-definition touch screen with basic physical buttons, supporting multiple language settings. 20 self inspection indicators for equipment, ranging from capacitor decay to radiator dust accumulation detection. Level 3 user, service provider, and administrator permission settings. Time of use electricity pricing strategy generation, charging and discharging calendar view, supports setting fast charging and discharging cycles. Intelligent detection of battery health and fault prediction system. Support customized startup animation logo and welcome message.