2PCS Battery Capacity Monitor - Indicator Meter, ICStation DC 8-30V Digital Battery Meter with 2 USB Ports, RV Battery Monitor 12V with Power-Off Memory, for Marine, RV, Golf cart Motorcycle

• _xdd0b_【Dual USB Ports】Measure battery voltage and remaining capacity while charging other devices. Supports lithium, lead-acid, and iron-lithium batteries. Operating voltage: DC8-30V, measured voltage: DC8-30V, output voltage: DC5V. • _xdd0b_【Power Loss Memory】Retains settings even after a power interruption, eliminating the need for reconfiguration. Convenient operation. • _xdd0b_【Reverse Polarity Protection + Low Voltage Flashing Alert】Offers protection against reverse polarity. Screen flashes as a reminder when voltage is low. • _xdd0b_【Versatile Application】Suitable for golf carts, cars, RVs, motorcycles, boats, and more. Measures battery voltage and remaining capacity. Also applicable for testing battery capacity and voltage in various settings. • _xdd0b_【Comprehensive User Manual】Detailed instructions for configuring measurement modes. Digital display screen for easy reading. Adheres to international standard dimensions.