EA-BT 21000-80 4U WC Water-Cooled Regenerative Battery Tester

The EA-BT 21000-80 4U WC is a high-performance programmable dc power supply, programmable dc power source and industrial-grade EA Elektro-Automatik water cooled battery tester, also known as EA-BT 21000-80, belonging to the EA-BT 20000 series battery tester. It serves as a reliable benchtop power supply from psu and tps programmable power solution, making it a top budget psu option with exceptional durability and energy efficiency, meeting diverse power supply supplies demands for high-voltage battery testing, and addressing common questions of how can i test a power supply and kilovolt level battery performance with professional-grade precision. As a versatile two quadrant battery tester, bidirectional battery tester and battery charge discharge tester, it features regenerative energy recovery battery tester and grid feedback battery tester functionality, feeding discharge energy back to the grid with up to 95.2% efficiency battery tester performance—making it a high efficiency battery tester, energy cost reduction battery tester and low heat emission battery tester ideal for TPS power supply applications, dc power supplies setups, and programmable power supply needs. This 4U rack mount battery tester and 19 inch rack battery tester delivers 0-1000V DC battery tester voltage range, 0-80A battery tester current range, and 30kW battery tester total power, with automatic derating to 18kW when operating on 208V AC input. It features autoranging battery tester constant-power DC output stages for flexible voltage and current combinations, supports CC CV CP CR battery tester regulation modes with fast crossover, and integrates advanced battery testing functions including CC-CV discharge characteristics, ampere hour counter, dedicated battery test mode, and battery simulation tester capabilities for comprehensive battery cycle life tester, battery SOH testing equipment and battery EOL testing equipment applications. The device supports 208V-480V 3-phase AC input with active power factor correction achieving a typical 0.99 power factor, and features 16-bit ADCs and DACs digital regulation with selectable voltage control speeds for fast dynamic response battery tester performance. It delivers high precision battery tester measurements with ≤0.05% FS voltage accuracy and ≤0.1% FS current accuracy, along with ≤300mV rms ripple battery tester (300 kHz bandwidth) and ≤1600mV pp ripple battery tester (20 MHz bandwidth), and a 3.4V minimum sink voltage for reliable low-voltage operation. Equipped with 200μF output capacitance, it provides stable power delivery, and offers robust galvanically isolated battery tester insulation performance with ±1500V DC negative pole to PE and +2000V DC positive pole to PE. All communication interfaces are galvanically isolated, including 1 ms EtherCAT, 1 Gbit/s Ethernet, USB, and CAN FD, enabling seamless integration into automated battery test equipment and industrial battery test system setups. It also features digital I/O, temperature sensor inputs, and supports parallel operation via master auxiliary bus battery tester and Share-Bus, allowing up to 64 units to be combined into a single system with up to 1920 kW total power. The unit comes standard with a stainless steel water cooling system, weighing 56 kg, which enables continuous full-power operation even in high-temperature industrial environments, eliminating the need for extensive air conditioning and reducing operational noise. Ideal for 1000V high voltage battery tester applications, it excels as an EV battery pack tester, energy storage battery tester, high voltage battery performance tester and battery recycling tester, supporting cell, module and pack characterization, second-life battery classification, and end-of-line validation for automotive and renewable energy industries.

Key Features

• Water-Cooled Regenerative Bidirectional Design: Two-quadrant operation for charging and discharging, with grid energy recovery up to 95.2% efficiency to cut energy costs and minimize heat emission.
• Kilovolt-Level High-Power Performance: 0-1000V DC voltage range, 0-80A current range, 30kW total power (18kW derated at 208V AC input) for wide high-voltage battery testing coverage.
• High-Precision Regulation & Measurement: 16-bit ADC/DAC digital control, ≤0.05% FS voltage accuracy, ≤0.1% FS current accuracy, ≤300mV rms/1600mV pp CV ripple, and 3.4V minimum sink voltage.
• Flexible Autoranging Output: Constant-power autoranging DC stages support diverse voltage/current combinations, with CV/CC/CP/CR modes and fast crossover between regulation states.
• Integrated Advanced Testing Functions: Built-in CC-CV discharge, ampere hour counter, battery test mode and battery simulation for cycle life, SOH and EOL characterization.
• Galvanically Isolated Industrial Interfaces: 1 ms EtherCAT, 1 Gbit/s Ethernet, USB and CAN FD, all isolated from DC side for safe and reliable industrial communication.
• Highly Scalable Parallel Operation: Up to 64 units parallel via Master-Auxiliary bus/Share-Bus for systems up to 1920kW, with automatic equal load distribution.
• Stainless Steel Water Cooling System: Efficient closed-loop water cooling enables continuous full-power operation in demanding environments with low noise and reduced cooling costs.
• Global Compatibility & Safety: Auto-adapting 208V-480V 3-phase AC input, 0.99 typical power factor, and full OVP/OCP/OPP/OT protection suite.
• Industry-Specific Applications: Optimized for 1000V EV battery packs, energy storage systems, high-voltage modules, battery recycling and automated production line testing.