RC3563 Battery Voltage & Internal Resistance Tester

High-Precision Measurements
Accurately tests voltage (0.0001V resolution) and internal resistance (0.01mΩ resolution) for lithium-ion, LiFePO4, 18650, and other battery types. Ideal for lab-grade diagnostics and hobbyist projects.
Durable & Portable Design
Features a rugged ABS casing with anti-slip grips and a bright OLED display for clear readings in any lighting. Compact size fits in toolkits for fieldwork or workshops.
Wide Compatibility
Works with trithium, lithium iron phosphate, NiMH, and lead-acid batteries (0-5V range). Perfect for EV maintenance, solar storage checks, and DIY electronics.
Fast & User-Friendly
One-button operation with auto-ranging and data hold function. Includes gold-plated probes for stable conductivity and corrosion resistance.
Bulk Order Advantage
Direct factory pricing ensures unbeatable wholesale rates for large-scale procurement. Stock up for your repair shop, research lab, or retail store.