The Agilent/Keysight E4374A is a charger/discharger card that installs within the E4370A Multi-Cell Charger/Discharger (MCCD) Mainframe to deliver independent charge and discharge control across 64 channels per card. Each channel operates at 5 V and 2 A maximum, supporting constant current (CC) and constant voltage (CV) charging modes plus constant current discharge. The card enables precise battery performance evaluation, capacity characterization, and longevity testing across a fully populated mainframe of up to 256 channels (four cards). Independent channel control combines with programmable sequences—up to 99 steps of charging, resting, and discharging in any combination—and software-configurable processes for rapid manufacturing adaptation. Automated data collection and distributed LAN control enable autonomous multi-MCCD operation.
– Technical Specifications
• Per-channel voltage rating: 5 V
• Per-channel current rating: 2 A
• Channels per card: 64
• Maximum mainframe capacity: 256 channels (4 cards × 64 channels)
• Charging modes: Constant current (CC), constant voltage (CV)
• Discharging mode: Constant current (CC)
• Programmable sequence steps: Up to 99
• Mainframe power requirement: Fixed 24 V supply (user-provided)
– Key Features
• Independent control and measurement on all 64 channels
• Modular design: up to four cards per E4370A mainframe
• Software-reconfigurable charge/discharge sequences without hardware changes
• Automated data collection and compression
• Distributed LAN control for multi-unit operation
– Typical Applications
• Lithium-ion cell formation during production
• Battery performance and capacity evaluation
• Energy storage device longevity assessment
• Research, development, and quality control testing
– Compatibility & Integration
• Designed for installation in the Keysight E4370A MCCD Mainframe
• Alternative option: E4375A card (3 A per channel maximum)
• Requires fixed 24 V DC power supply connection to mainframe
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