Universal Rechargeable Battery Internal Resistance Tester ES8020 – Precision Measurement for Lead & Lithium Batteries

High-Precision Measurement
Advanced microprocessors ensure accurate internal resistance testing for lead-acid and lithium batteries, with a resolution of 0.01mΩ and ±0.5% accuracy. Ideal for diagnosing battery health and performance.
Wide Compatibility
Supports 1.2V-24V batteries, including automotive, solar storage, UPS systems, and consumer electronics. Features auto-ranging for effortless voltage detection.
Durable & Portable Design
Reinforced ABS shell with anti-slip grip and compact OLED display for clear readings in low light. Built-in rechargeable lithium battery enables 8+ hours of continuous use.
Smart Functionality
Auto power-off, data hold, and low-battery alerts enhance efficiency. Backlit keypad ensures smooth operation in workshops, labs, or fieldwork.
Bulk Order Advantage
Direct factory pricing with wholesale discounts for large-scale procurement. Fast global shipping with reliable after-sales support.