This battery internal resistance tester can simultaneously measure the internal resistance and voltage of a battery. It employs a Kelvin four-wire test clip, effectively avoiding the influence of contact resistance and wire resistance, enabling more accurate measurements.

This product utilizes intelligent control and an LCD display. It also incorporates a Kalman filter mathematical algorithm, offering advantages such as high precision, high efficiency, low cost, light weight, and energy saving. This product is widely applicable in various battery production, maintenance, testing, and research laboratories. It can also be used to measure the AC resistance of capacitors and low-resistance, high-precision resistors.