Features: 1. Compatible with 12V/24V, 36V, 48V/72V batteries 2. LED flash indication for low and high charge warnings 3. Designed to monitor battery power levels during charging or discharging 4. Memory function to recall电量 data 5. Hour meter with 6-digit, 7-segment LCD display for clear reading Specifications: - Operating Voltage: 12V/24V, 36V, 48V/72V - Operating Current: 20mA nominal - Operating Temperature: -40°C to +85°C - Memory Type: CMOS EEPROM - Display: 10-segment LED bar graph - Hour Meter Display: 6-digit, 7-segment LCD - Package Weight: approximately 68g - Compatibility: Suitable for Golf Carts and other 12V/24V/36V/48V/72V DC battery systems Package Included: 1 x Battery Indicator 1 x Set of Accessories Note: Before connecting the indicator to the battery, verify the battery voltage and ensure correct polarity. Connect the positive terminal to the appropriate pin on the back of the indicator. Incorrect voltage or reverse polarity connection may damage the unit.