DUOYI DY223 Lithium Battery Internal Resistance Tester
Precision-engineered with high-grade ABS housing and corrosion-resistant probes for durability. Features a high-resolution digital display for accurate voltage (0.01V precision) and internal resistance (0.01mΩ resolution) readings. Ideal for automotive diagnostics, EV maintenance, and industrial battery testing. Compatible with 12V/24V lead-acid, lithium-ion, and AGM batteries. Advanced anti-interference circuitry ensures stable performance in high-noise environments. Lightweight (180g) with ergonomic grip for prolonged use. Backed by CE certification, ensuring safety and reliability. Bulk discounts available—global wholesale pricing unlocked.