The IR Testing Machine (Small)

is a compact and accurate internal resistance (IR) and voltage testing device designed for lithium battery cells and small battery packs. It is ideal for battery workshops, EV service centers, R&D labs, and small-scale manufacturing units where precise testing and portability are required.

This machine helps quickly identify weak cells, aging batteries, poor weld joints, and imbalance issues by accurately measuring internal resistance and voltage. With its fast response time, stable performance, and easy operation, it is perfectly suited for daily testing, sorting, and quality checks of Li-ion and LiFePO₄ batteries.

Its compact size, lightweight design, and reliable safety protections make it an essential tool for professional technicians and DIY battery builders.

Key Features

Function: Internal Resistance (IR) & Voltage testing

Compatible Batteries: Li-ion & LiFePO₄ cells

Design: Compact & portable (Small model)

Accuracy: High-precision measurement

Display: Clear digital display

Protection: Over-voltage & short-circuit protection

Operation: Simple, fast & user-friendly

Key Benefits

Quickly detects weak or faulty cells

Improves battery safety and consistency

Saves time during cell sorting

Easy to use and portable

Cost-effective solution for battery testing