DC 8-100V 300A Battery Monitor, Battery Tester, Battery Current Indicator, Battery Capacity Monitor with Pure Copper Shunt Sensor, 300A Temperature Sensor, and Alarm Function

【Comprehensive Parameter Detection】: This battery tester accurately measures voltage, current, power, cumulative charge/discharge energy consumption, temperature, remaining charge/discharge time, cycle count, and real-time battery health. Suitable for batteries with a wide voltage range of 8-100V and a current range of 300A, helping users understand the battery's operating status quickly and accurately. 【HD Color Screen】: The battery monitor features a large 2-inch color dot-matrix display. The data is vivid and easy to read, providing measurement results at a glance, meeting customer needs for convenience, accuracy, and clarity. 【Safe and Durable】: The battery tester's casing is made of flame-retardant ABS material, with features such as shock resistance and high-temperature resistance, making it safer and more reliable. With a USB interface connection, wiring is simple and convenient, plug-and-play, safe, and hassle-free. This battery tester can perform bidirectional charging and discharging current detection without changing the wiring direction, providing accurate measurement. 【Multiple Protections】: This 12V battery monitor has overvoltage/overcurrent/high-temperature detection functions, a timely alarm, and can be connected to a relay and other devices to achieve automatic power cutoff, preventing damage and protecting your electrical safety. 【Wide Range of Applications】: This battery monitor with a shunt is ideal for applications requiring monitoring of output voltage and current, as well as battery charging and discharging. Suitable for monitoring RV power supplies, outdoor power supplies, electric bike monitoring, car battery monitoring, battery testing, etc. Equipped with overvoltage, overcurrent, and high-temperature detection functions, this battery monitor provides immediate alerts. It can be connected to relays or similar devices to automate power cutoff, thus preventing potential hazards and ensuring your electrical safety. The Battery Monitor provides accurate, real-time measurements of voltage, current, power, cumulative energy consumption during charge/discharge cycles, temperature, remaining charge/discharge time, number of cycles, and battery health. Suitable for batteries covering a wide voltage range of 8 to 100 V and a current range of 300 A, it allows users to quickly and accurately monitor battery operating status. The Battery Monitor facilitates bidirectional current sensing during charge and discharge phases, ensuring accurate measurements without requiring any changes to wiring orientation. The package includes: 1* English main screen, 1* 300A pure copper shunt, 1* 2-meter OT8 cable, 1* 2-meter USB cable, 1* temperature sensor, 1* alarm output cable, 2* screws, 1* instruction manual (Chinese + English)