JK2520B High Precision Battery Tester – Lithium Battery Internal Resistance Tester
Ultra-precise measurement with 0.1mΩ resolution for accurate lithium battery diagnostics. Heavy-duty aluminum alloy casing ensures durability in industrial environments. Advanced four-wire Kelvin testing eliminates lead resistance errors, delivering lab-grade results. Backlit LCD screen provides clear readings in low-light conditions. Wide compatibility covers Li-ion, NiMH, and lead-acid batteries (0-5V range). Essential for battery manufacturers, repair shops, and DIY enthusiasts. Compact handheld design with anti-slip grip for effortless one-handed operation. Includes premium gold-plated test probes for optimal conductivity. Directly measures internal resistance and voltage simultaneously – critical for EV battery maintenance and energy storage system evaluation. Factory-calibrated with ISO-certified accuracy (±0.5%). Package includes protective carrying case and rechargeable Li-ion power bank. Batch testing capable – ideal for wholesale battery distributors and quality control labs. CE/RoHS certified for global market compliance.