Features: 1. Compatible with 12V/24V, 36V, 48V/72V batteries 2. LED indicator for low and high charge warnings 3. Designed to monitor battery power levels during charging or discharging 4. 10-segment LED bar graph display 5. Memory function to recall电量 (replaced with: energy usage history) Specifications: - Operating Voltage: 12V/24V, 36V, 48V/72V - Operating Current: 20mA nominal - Accuracy: ±0.5% - Operating Temperature: -40°C to +85°C - Humidity: 95% RH (non-condensing) at 32°F or above for 2 hours - Waterproof Rating: IP65 - Package Weight: approximately 68g - Fitment: Suitable for golf carts and other 12V/24V/36V/48V/72V DC battery-powered equipment Package Included: 1 x Battery Indicator 1 x Set of Accessories Note: Connect to the appropriate voltage as marked on the back of the battery indicator. Incorrect voltage may damage the device or cause malfunction.