HENGSHAN500A Battery Monitor Main AUX Dual Voltage Relay Control High and Low Voltage Programmable Alarm Compatible with Battery 10-120V for Boat Caravan RV Motorhome

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🔌 Power Up Your Peace of Mind!

The HENGSHAN500A Battery Monitor is a high-precision device designed to provide real-time insights into your battery bank's performance. With a voltage range of 10-120V and the ability to measure current up to 500A, it features programmable alarms for high and low voltage, ensuring you never miss a critical moment. Its user-friendly design includes backlight control and an auto-save function, making it an essential tool for any boat, caravan, RV, or motorhome owner.