Features: 36V battery meter, 24V battery tester, universal voltage ranging 8-120V, suitable for various battery types, including 36V, 24V, 18650 lithium, and 48V systems. High precised measurement, providing accurate voltage, current, capacity, and percentage readings with accuracy of ± 1.0% and reliable data. Energy saving design, low-power operation, ensuring long battery service life and minimal energy waste. Multifunctional interfaces option: Equipped with a 1M USB cable, it can be flexibly installed and accessed for data. Small size and lightweight, this battery tester weighs only 29 grams and features a portable and space saving design with simple wiring and easy operation. Specifications: Material: Plastic Type: with 100A Sampler, with 200A Sampler, with 300A Sampler, with 400A Sampler, with 500A Sampler(optional) Host Size: approx. 6.8x4x2.2cm/2.68x1.57x0.87inch Cable Length: approx. 1m/3.28ft Package Includes: 1Pc Battery Coulombmeter with Sampler(optional) 1Pc USB Data Cable note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.