Best 300kw Ev Charging Station Suppliers & Factory

Megawatt-Era High-Performance DC Fast Charging Networks, Liquid-Cooled Dispenser Technologies, and Microgrid BESS Integration Systems for Corporate Infrastructure Developers.

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Industrial Ultra-Fast Charging Core Portfolio

Engineered to deliver high power density, continuous high-current performance, and active thermal intelligence. Discover our top-tier catalog for global deployments.

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Executive Whitepaper

Decarbonization at Scale: Global Sourcing and Procurement in the 300kW Sector

Analyzing key structural shifts in fleet electrification, megawatt energy integration, and grid constraints.

As logistics complexes, public transit authorities, and highway charging networks move toward zero-emission targets, standard low-voltage AC infrastructure is no longer sufficient. Achieving rapid charging turnaround times for long-range commercial transport and large passenger vehicles requires a minimum threshold of 300kW DC output capacity. This scale of charging infrastructure requires careful grid balancing, high-efficiency power conversion modules, and robust safety mechanisms.

For industrial procurement teams and EV fleet operators, selecting the right partner is not just about comparing equipment hardware prices. It requires a detailed evaluation of compliance standards, dynamic load management algorithms, and manufacturing reliability. High-power DC fast chargers (HP-DCFC) running at 300kW and above handle intense thermal cycles, high input currents, and strict communication requirements with vehicle batteries. An experienced manufacturer must deliver integrated power electronics that manage these demands reliably over a typical 10-to-15-year lifecycle.

"Achieving 300kW+ charging capacity requires an integrated approach that balances thermal management, grid optimization, and power electronics."
>96.5%
Module Efficiency
OCPP 2.0.1
Native Compliance
Up to 1000V
Silicon Carbide Range
IP55 / IP65
Ingress Protection
Corporate Profile

About MIDA GROUP

A global manufacturer specializing in EV connection components, high-power DC fast-charging systems, and integrated energy storage solutions.

Shanghai Mida Cable Group Ltd.

Shanghai Mida Cable Group Ltd. operates through its wholly owned subsidiaries: Shanghai Mida EV Power Co., Ltd., Shenzhen Mida EV Power Co., Ltd., and Shanghai Mida New Energy Co., Ltd. Our integrated business model supports everything from raw copper processing to finished electrical components, ensuring consistent quality control and pricing advantages.

Mida Cable manufactures a comprehensive range of EV charging cables, including 16A–80A J1772 cables, 16A–63A IEC 62196-2 Type 2 cables, and DC fast charging cables: CCS1 (80A–500A), CCS2 (125A–1000A), CHAdeMO (125A–300A), GBT (200A–1000A), and NACS connectors (250A–600A).

MIDA EV Power produces a full lineup of EV charging stations, such as 7kW–50kW mobile chargers, 3.6kW–7.2kW portable DC chargers, 360kW–1440kW split-type DC fast chargers, 20kW–50kW wall-mounted DC chargers, and 60kW–480kW floor-standing DC fast charging stations.

MIDA New Energy specializes in EV charger power modules, offering 20kW–60kW standard modules, 40kW–125kW liquid-cooled modules, 30kW–62.5kW bidirectional modules, and 20kW–45kW V2G charging modules.

Mida Group Logo Certification
Technology Architecture

High-Power DC Sub-System & Component Matrix

A detailed view of Mida Group's core product segments, supporting next-generation charging infrastructure.

AC EV Charger

Wall-Mounted / Mobile Solutions

AC EV Charger
High-durability wall units and mobile chargers ranging from 7kW to 80kW. Designed for commercial fleets, employee parking, and logistics yards.
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DC Charger Station

High-Power Split Charging Systems

DC Charger Station
High-power charging systems from 60kW to 1440kW. Features multi-dispenser configurations and active liquid cooling systems.
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BESS Charging Station

Battery-Integrated Fast Chargers

BESS Charging Station
Integrated battery storage systems (60kWh to 2MWh) paired with fast-charging outputs. Minimizes peak grid load and reduces demand charges.
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Technical Deep Dive

High-Power DC Sub-System & Component Matrix

A breakdown of the component technologies powering Mida's high-reliability charging infrastructure.

EV Charging Power Modules

  • 30kW, 40kW, 50kW, 60kW, and 80kW AC/DC Power Conversion Modules
  • 30kW, 40kW, 50kW, and 60kW isolated DC/DC Converters
  • 40kW, 60kW, 75kW, and 125kW Liquid-Cooled Power Modules for extreme environments
  • 20kW, 22kW, 30kW, 40kW, and 45kW Bidirectional V2G Modules
  • 30kW, 40kW, 50kW, and 60kW MPPT Solar Energy Charge Modules
  • 20kW, 50kW, and 62.5kW Bidirectional Grid-Interactive AC/DC Modules
EV Charging Power Module

DC Charging Connectors & Cooling

  • 500A and 600A continuous liquid-cooled CCS1, CCS2, and GBT Connectors
  • 125A, 250A, 300A, and 350A NACS (Tesla standard) & CHAdeMO Connectors
  • 1500A Megawatt Charging System (MCS) & CHAOJI high-current connectors
  • 3.5kW, 4.5kW, 6kW, and 9kW Integrated Liquid Cooling Units for dispensers
  • 2.4kW and 3.5kW Split-Type Active Chilling Units
  • 25kW to 72kW Industrial Cooling Units designed for HPC Charging Sites
DC Charging Connector & Liquid Cooling Unit

DC Fast Charger Stations

  • 7kW to 60kW Mobile DC Chargers for flexible site deployment
  • 20kW to 80kW Wall-Mounted DC Fast Chargers for commercial spaces
  • 60kW to 480kW Floor-Standing DC Charging Stations
  • 60kW to 240kW Advertising Charging Stations (featuring 43" and 55" displays)
  • 600kW to 1080kW Liquid-Cooled Charging Stations for ultra-fast highway corridors
  • 360kW to 1680kW Modular Split-Type Charger Systems
DC Fast Charger Station

Energy Storage Charging Stations

  • 15kW to 480kW Mobile Energy Storage System (ESS) Charging Units
  • 60kW to 400kW Integrated Battery-to-Charger (BESS) Piles
  • 65kWh to 200kWh Emergency Vehicle Roadside Rescue Stations
  • 165kWh Automated Mobile Charging Robots
  • 800kWh to 2000kWh Large-Scale Solar Energy & Battery Storage Systems
Energy Storage Charging Station
Procurement Dynamics

Technical Specification Framework for 300kW Sourcing

Essential design factors to minimize Total Cost of Ownership (TCO) and maximize uptime at the depot level.

1. Efficiency Curves and Silicon Carbide (SiC) Technology

At 300kW power levels, even minor efficiency losses generate significant heat and waste electricity. A system operating at 92% efficiency dissipates 24kW as heat. Upgrading to a 96.5% efficient system using Silicon Carbide (SiC) switching devices reduces this loss to 10.5kW. This 13.5kW savings lowers cooling requirements, increases component lifespan, and reduces operational energy costs over the charger's lifetime.

2. Thermal Dynamic Management: Air vs. Liquid Cooling

Standard forced-air cooling works well up to 150kW. However, continuous 300kW charging at 300A-500A requires either bulky, heavy air-cooled cables or lightweight, liquid-cooled cables. Integrated cooling units circulate dielectric coolant through the cable and connector, maintaining temperatures below 50°C. This active cooling allows for thinner, more flexible cables that are easier for drivers to handle.

3. Dynamic Load Sharing Algorithms

A dual-dispenser 300kW system should dynamically distribute power based on the vehicle's state of charge (SoC). Instead of splitting power to a static 150kW/150kW, the system should adjust dynamically (e.g., delivering 220kW to a low-battery vehicle and 80kW to a nearly full one). This dynamic load management improves vehicle turnaround times and maximizes station utilization.

Corporate Communications

Industry Updates & Fleet Integration Developments

News from MIDA Group on transit infrastructure, automatic pantograph systems, and fleet maintenance.

What are the advantages of an e-bus pantograph dome?
What are the advantages of an e-bus pantograph dome? In contrast to classic plug-in charging systems, e-bus pantograph connections support automated high-power charging, reducing labor costs and improving depot safety.
How long does it take to charge with an e-bus pantograph?
How long does it take to charge with an e-bus pantograph? The charging time depends on the battery capacity and the station's output power, typically delivering an 80% charge in 15 to 30 minutes for transit fleets.
How to Install the Pantograph Up Charger System Dome for Electric Bus
How to Install the Pantograph Up Charger System Dome for Electric Bus. This guide outlines the structural engineering, power alignment, and communications setup required for overhead automated fast chargers.
Knowledge Base

Frequently Asked Questions & Technical Insights

Detailed answers to key engineering, integration, and operational questions for 300kW+ fast-charging systems.

Why is OCPP 2.0.1 compliance important for 300kW charging stations?
OCPP 2.0.1 improves message security, transaction handling, and smart charging capabilities compared to OCPP 1.6J. It supports ISO 15118 (Plug & Charge) and simplifies communication for dynamic grid load balancing.
What are the trade-offs of using BESS-integrated fast charging systems?
Battery Energy Storage Systems (BESS) store energy during low-tariff hours and discharge it during peak demand. This allows operators to deploy high-power 300kW chargers on limited grid connections, helping to avoid utility demand charges and grid upgrades.
How does liquid cooling protect high-power charging cables?
Liquid cooling pumps a specialized coolant through the charging cable to the connector pins. This actively manages heat generated by high-current charging (above 300A), allowing the use of thinner, more flexible cables while maintaining safe operating temperatures.
What input voltages are typically required for 300kW DC fast chargers?
These systems generally require a 3-phase industrial power supply, typically 380V, 400V, or 480V AC (±10%), depending on regional grid standards. Many high-power stations connect directly to medium-voltage distribution transformers.
Are these high-power charging systems compatible with both CCS, NACS, and GBT standards?
Yes. Modern charging units support multi-standard configurations. Stations can be equipped with CCS1, CCS2, GBT, and NACS (Tesla standard) connectors, allowing fleets to charge mixed vehicle types from a single power source.
Extended Catalog

High-Power DC Charger & Battery Storage Systems

Explore our full range of public fast chargers, energy-storage integrated piles, and compliant charging options.

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