EA-BT 21500-60 4U Regenerative Battery Tester

The EA-BT 21500-60 4U is a high-performance programmable dc power supply, programmable dc power source and industrial-grade EA Elektro-Automatik battery tester, 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 value for diverse power supply supplies demands, and addresses common questions of how can i test a power supply and ultra-high-voltage battery performance with professional-grade precision. As a versatile two quadrant battery tester, bidirectional battery tester and battery charge discharge tester, it functions as both a battery charge tester and a battery discharge tester, featuring grid energy recovery battery tester functionality that feeds discharge energy back to the grid with up to 96.8% efficiency battery tester performance—making it an energy saving battery tester and low heat generation 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 0-1500V DC battery tester voltage range, 0-60A battery tester current range, and 30kW regenerative battery tester total power, with automatic derating to 18kW 208V derated battery tester power 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 battery tester, CP CR battery tester regulation modes with fast crossover, and integrates advanced battery testing functions including CC-CV discharge characteristics, ampere hour counter battery tester, dedicated battery test mode, and battery simulation tester capabilities for comprehensive battery characterization. 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. It delivers precise measurements with ≤0.05% FS voltage accuracy and ≤0.1% FS current accuracy, along with ≤400mV rms CV ripple battery tester (300 kHz bandwidth) and ≤2400mV pp CV ripple battery tester (20 MHz bandwidth), and a 3.5V minimum sink voltage battery tester for reliable low-voltage operation. Equipped with 75μF output capacitance battery tester, it provides stable power delivery, and offers robust insulation performance with +1500V DC negative pole insulation battery tester (negative DC pole to PE) and +2000V DC positive pole insulation battery tester (positive DC pole to PE). The AC input supports up to 61A max AC phase current battery tester at 208V and 53A max AC phase current battery tester at 480V under maximum output power. All communication interfaces are galvanically isolated, including 1 ms EtherCAT, 1 Gbit/s Ethernet, USB, and CAN FD, enabling seamless integration into automated test systems. It also features digital I/O, temperature sensor inputs, and supports parallel operation battery tester via Share-Bus and Master-Auxiliary bus, allowing up to 64 units to be combined into a single system with up to 1920 kW total power. The standard model uses temperature-controlled forced air cooling, with an optional stainless steel water cooling system available for continuous full-power operation in demanding high-temperature environments, and includes comprehensive protection functions such as OVP, OCP, OPP and overtemperature protection for enhanced safety. Ideal for electro mobility battery tester applications, it excels at battery cell tester, battery module tester, battery pack tester, battery state of health tester, end of line battery tester, and battery recycling tester tasks, supporting cell, module and pack testing, second-life battery classification, and end-of-line validation for automotive and renewable energy industries.

Key Features

• Ultra-High Efficiency Regenerative Operation: Two-quadrant bidirectional design enables charging and discharging, with grid energy recovery up to 96.8% efficiency to minimize energy costs and heat output.
• 1500V Ultra-High Voltage Performance: 0-1500V DC voltage range, 0-60A current range, 30kW total power (18kW derated at 208V AC input) for high-voltage battery testing coverage.
• Precise 16-Bit Regulation & Measurement: 16-bit ADC/DAC digital control, ≤0.05% FS voltage accuracy, ≤0.1% FS current accuracy, ≤400mV rms/2400mV pp CV ripple, and 3.5V 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 states.
• Integrated Advanced Testing Functions: Built-in CC-CV discharge, ampere hour counter, dedicated battery test mode and battery simulation for SOH, EOL and cycle life testing.
• 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 Share-Bus/Master-Auxiliary bus for systems up to 1920kW, with automatic equal load distribution.
• Robust Insulation & Comprehensive Safety: ±1500V DC negative pole to PE, +2000V DC positive pole to PE insulation, plus full OVP/OCP/OPP/OT protection suite.
• Global Compatibility & Cooling Options: Auto-adapting 208V-480V 3-phase AC input, standard forced air cooling, optional stainless steel water cooling.
• Industry-Specific Applications: Optimized for 1500V EV battery packs, energy storage systems, high-voltage modules, battery recycling and automotive end-of-line testing.