High-Precision 3-in-1 WH-BT01 Battery Internal Resistance Tester & Digital Multimeter

Ultra-Accurate Measurement
Professional-grade instrument for measuring battery internal resistance with 0.1mΩ resolution, ensuring reliable diagnostics for Li-ion, lead-acid, and NiMH batteries.
3-in-1 Multifunction Design
Combines a precision multimeter, signal generator, and battery tester in one compact unit, eliminating the need for multiple tools.
Robust Industrial Build
Features a durable ABS shell with reinforced connectors and an anti-slip grip for long-term use in workshops, labs, or field testing.
Wide Application Range
Ideal for battery maintenance, automotive diagnostics, solar power systems, and electronics repair with a 0-60V voltage range.
Easy-to-Read LCD Display
Bright backlit screen with clear numerical readouts for quick data interpretation in low-light conditions.
Global Wholesale Advantage
Direct bulk pricing, lowest online rates, and fast shipping for businesses and professionals worldwide.