Features: Protect 12V lithium batteries from over discharge and voltages fluctuations with this intelligent battery save controller, extending battery life by automatically cutting power during unsafe conditions. Features precise ±0.1V voltages detection, adjustable cutoff thresholds via potentiometer, and clear LED indicators for real time monitoring of power connection. Ideal for solar power systems users, and automotive enthusiasts maintaining 12V battery powered devices like electric scooters, fish finders, and camping equipment. Safeguards batteries during extended storage periods, sudden voltages drops, or unstable charging scenarios in marine applications, backup power systems and so on. Crafted from durability ABS, this compact protections module installs effortlessly between battery terminals and electrical loads for year round power management. Specifications: Component: ABS plastic Size: about 61x30mm/2.4x1.18in Attribute: Applicable battery voltages: 12V / voltages error: ±0.1V / Load current: 10A Widely used in automobiles, motorcycles, ships and other equipment that require battery protections. Practicality: Effectively extend battery life and prevent battery damage caused by over-discharge or overvoltage Package Includes: 1PC 12V battery protector board note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.