Taikuwu Digital Multifunction LCD Voltmeter Ammeter - DC 5V-38V Battery Capacity Monitor, Voltage Current Power Tester, Discharge Controller with Overload Protection

【All-in-One Battery & Circuit Tester】Accurately measure voltage (V), current (A), power (W), battery capacity (Ah), and discharge time with high precision. Ideal for diagnosing power issues, testing chargers, and monitoring battery health in real-time. 【Crystal Clear LCD & Multi-Parameter Display】Simultaneously track key metrics on a large HD digital screen, including temperature and runtime. Ensures easy reading even in low-light conditions, perfect for fieldwork and lab use. 【Comprehensive Protection & Alarm System】Features under-voltage, over-voltage, over-current, over-temperature, over-capacity, and timeout protections with audible/visual alarms. Anti-reverse design prevents damage from accidental reverse connections. 【Customizable Charging/Discharging Control】Set thresholds for surge, low-voltage, and overtime protection to prevent overcharging or deep discharge. Extend battery lifespan with precise, quantifiable energy management. 【Wide Compatibility & Applications】Works with 5V-38V DC systems (e.g., solar panels, car batteries, power supplies). Use for factory equipment checks, power aging tests, load testing, and circuit diagnostics.