Features Comprehensive Battery Compatibility: Supports 1 to 24 series lithium batteries with voltage ranging from 2V to 4.5V for versatile testing needs Detailed Data Display: Shows individual string voltage, total voltage, and more, enabling accurate monitoring of your battery pack's performance Advanced Multifunctionality: Equipped with reverse connection alerts, high/low voltage warnings, and precise accuracy of 0.003 for reliable operation Portable and Lightweight Design: Compact size ensures easy transport, making it convenient to test batteries on the go Durable Acrylic Baffle: Features a wear-resistant and impact-resistant baffle that enhances longevity and protects the tester from damage Features: 1、APPLICABLE BATTERY: The tester supports 1 to 24 series of lithium batteries (batteries with voltage between 2V to 4.5V). 2、DATA DISPLAY: The tester is able to display voltage of each string, total voltage, maximum string voltage, minimum string voltage, maximum voltage difference of battery pack, average voltage, equalizing voltage, number of strings of battery pack. 3、MULTIFUNCTIONAL: There is reverse connection, high voltage (greater than 4.5V), low voltage (l than 2V) warning and prompt. Accuracy of each voltage string is about 0.003. Supports mixed insertion (not from B1); Switch between Chinese and English. 4、EASY CARRYING: The tester is small in size and light in weight, you can easily take it with you for convenient use. 5、WITH ACRYLIC BAFFLE: Comes with an acrylic baffle, the tester is wear resistant, impact resistant, ensures a long life span. Specification: Item Type: 24 String Battery Voltage Tester Material: PCB, Acrylic Application: Battery voltage test Package List: 1 x Tester 1 x Board 1 x USB Cable 1 x Manual Note: The matching adapter board is equipped with 2.0, 2.54 spacing pin positions, and cannot be connected with two kinds of interfaces at the same time. Package List 1 x Tester 1 x Board 1 x USB Cable 1 x Manual