Features 1、DELICATE DESIGN: The battery tester is designed with an acrylic shell baffle, making the tester durable and beautiful. 2、TESTING DETAILS: The battery tester supports 1 to 24S lithium battery pack (battery voltage is between 2V and 4.5V), and the measurement accuracy of each string of battery voltage is about 0.003. 3、DATA DISPLAY: This battery tester displays each string voltage, total voltage, maximum string voltage, minimum string voltage, maximum voltage difference of battery pack, average voltage, balance voltage, battery string number. 4、SOUND ALARM: This battery tester has reverse connection, high voltage warning and prompt (more than 4.5V), low voltage (less than 2V). 5、CONVENIENT USING: The battery tester supports mixed plug (no need to start from B1), support Type c and DC power supply modes (DC5V), support Chinese and English switching, and use more convenient. Specification Item Type: Battery Tester Material: Acrylic, PCB Battery String Support: 1 to 24 strings (2V-4.5V) LCD Large Screen Display: Voltage of each string, total voltage, maximum string voltage, minimum string voltage, maximum voltage difference of battery pack, average voltage, balance voltage, number of battery strings Language: Chinese, English (switch) Charging Interface: Type C, DC interface (DC5V) Package List 1 x Battery Tester 1 x Type C Cable 3 x Electronic Component