GROADA DC100V-100kW Programmable DC Load Bank

Product Overview

The GROADA DC100V-100kW programmable DC load bank is a professional testing solution designed for high-power DC systems such as battery packs, UPS systems, energy storage units, EV charging stations, and telecom backup power supplies. It provides precise and controllable load simulation for discharge testing, performance verification, reliability evaluation, and endurance analysis.

• Rated Voltage: DC 100V

• Rated Power: 100 kW

• Load Modes: Constant Resistance (CR), Constant Current (CC), multi-step adjustment

• Control Options: Local panel, RS485 / CAN / Modbus, PC software

• Accuracy / Linearity: ±0.5% or higher

• Cooling: Forced air cooling / optional liquid cooling

• Protection: Over-temperature, over-current, short-circuit, low-voltage, emergency shutdown

• Scalability: Modular design, expandable up to MW level

Key Features & Technical Advantages

Precision Load Control

Supports CR and CC modes with step-adjustable load, ensuring accurate simulation of real operating conditions for batteries, UPS, and DC power systems.

Intelligent Control & Connectivity

Equipped with RS485, CAN, and Modbus protocols, the load bank can be integrated into automated test platforms, enabling remote operation and data acquisition.

Comprehensive Safety Protection

Built-in multi-level protection mechanisms including over-temperature, over-current, short-circuit, and low-voltage safeguards. An emergency stop ensures safe shutdown in critical situations.

Efficient Thermal Management

Optimized forced-air cooling (optional liquid cooling) maintains stable operation under continuous full-load conditions, extending component lifespan.

Modular & Scalable Design

100 kW units can be connected in parallel for scalable capacity, supporting future testing needs at MW levels.

Application Scenarios

Technical Specifications

Competitive Advantages

• Higher stability than conventional DC electronic loads, designed for long-duration high-power discharge tests.

• Specialized for DC systems, unlike AC load banks, ensuring better compatibility with battery and UPS testing.

• Modular scalability, reducing initial investment and enabling flexible expansion.

• Advanced protection and monitoring, enhancing safety and reliability in mission-critical environments.

• Proven track record with customer projects and compliance with international safety standards.

Case Studies

Battery Manufacturer (2024)
A leading energy storage company adopted the GROADA DC100V-100kW load bank for capacity verification and endurance testing of lithium battery packs. The results showed less than 1% measurement error and stable long-term operation.

Telecom Base Station Backup Power
The system was used to simulate load consumption in telecom base stations, verifying backup power endurance during grid outages. The customer successfully validated one-hour backup operation under real-world conditions.

Frequently Asked Questions (FAQ)

Q: Is the load bank limited to 100V DC?
A: The standard version supports 100V, but customized models are available for 48V, 200V, 400V, and higher voltage ranges.

Q: Can it be integrated into automated test systems?
A: Yes. The unit supports RS485, CAN, and Modbus protocols for seamless integration with PLCs, SCADA, or PC-based software platforms.

Q: How is thermal stability ensured?
A: The system adopts optimized airflow design with forced cooling or optional liquid cooling, keeping temperature rise under control for extended service life.

Q: What about service and maintenance?
A: The modular structure allows quick replacement of resistors, sensors, and cooling fans. GROADA provides warranty coverage, spare parts, and technical support worldwide.

Why Choose GROADA?

With years of expertise in power testing equipment, GROADA delivers certified, reliable, and customizable DC load banks for international clients in the energy, telecom, and automotive industries. Our engineering team ensures compliance with IEC, CE, and ISO standards, providing solutions trusted by global partners.