DY223 Lithium Battery Internal Resistance Tester – Professional Voltage Diagnostic Tool

Ultra-Precise Measurement
High-accuracy internal resistance and voltage testing with advanced microcomputer control, ensuring reliable data for lithium batteries.
Robust Construction
Durable ABS housing with reinforced connectors for long-term industrial use, resistant to drops and wear.
Wide Compatibility
Works with 12V/24V lead-acid and lithium batteries, ideal for automotive, solar storage, and new energy vehicle diagnostics.
Fast & User-Friendly
One-touch operation with clear LCD display, delivering instant results for quick fault detection.
Portable & Efficient
Compact, lightweight design for on-the-go testing in workshops, garages, or field diagnostics.
Bulk Purchase Advantage
Exclusive wholesale pricing for large orders, backed by global logistics support for fast delivery.