Feature: 1. Clock Function: This battery monitor comes with a clock function to display the current time, very convenient! 2. Backlit Function: After the power is turned on, the green backlit is displayed, which can be used normally in low light conditions. 3. 2 Timing Modes: There are 2 timing modes on the time monitor, including the positive power supply timing and the negative power supply timing. 4. Automatic Identification: This battery monitor can automatically identify 12, 36V 24, 48V when power on, safe for you to use this monitor. 5. Tight Installation: This battery monitor adopts embedded installation, the bracket is fixed, and it is not easy to fall off. Specification: Item Type: Battery Monitor Battery: 1 x CR2450 3.0V 520mAh (Shipped with Built in Battery) Working Voltage:DC12-48V Charging Delay Time:200S Total Hours:99999H Partial Hours:9999.9H Delay Time of Every Bar:155S Housing Material:ABS, Aluminum Diameter: Approx. 52mm / 2.05in Timing Accuracy: Timing accuracy is 0.1H when hour range is 0.0 to 9999.9H;timing accuracy is 1H when hour range is 10000 to 99999H;timing accuracy less than ±0.01% Voltage Accuracy:±0.5% Waterproof Level:IP65 Function Introduction: BI012 is suitable for most batteries including GEL batteries, LiFeO4 batteries, AGM batteries and other batteries. There are a total of 19 battery curves to choose from, and a set of custom curves can be set, including clock, power display, remaining power percentage display, voltage display, high voltage and low voltage reminder function, timing function and maintenance reminder and other functions. 1. Power Function: Automatically identify the current power when power on, display the current power level, digitally display the current remaining power percentage, 19 battery curves can be selected, and users can also set parameters by themselves 2. Voltage Function: Display the current voltage in real time, and can set high voltage and low voltage reminders. High voltage reminder setting range: 10-60V, low voltage reminder setting range: 8-50V, the reminder mode is LCD flashing reminder 3. Timing Function Total Time: Record the accumulated running time of the equipment, the total time cannot be reset. Timing Range: 0 to 99999H Timing Accuracy: 0 to 9999.9H, 0.1H, 10000 to 99999H, 1H Initial Time Setting: The initial time can be set when the work is less than 1H, so as to replace the old hour meter. Maintenance Reminder Setting: Set maintenance reminder time according to needs, countdown display, LCD flashing reminder, setting range, 0 to 9999.9H Product Advantages: 1. The product comes with a clock function to display the current time. 2. After the power is turned on, the green backlit is displayed, which can be used normally in low light conditions. 3. Automatically identify 12, 36V 24, 48V when power on. 4. There are two timing modes: the positive power supply timing and the power supply negative timing timing. 5. Embedded installation, the bracket is fixed, and it is not easy to fall off. Application Range: Widely used in forklifts, aerial vehicles, stackers, electric vehicles, scooters, golf carts, AGVs, ships, floor scrubbers, electric lawn mowers and other electric equipment.. Package List: 1 x Battery Monitor1 x Manual8 x Accessory