Digital Display ---- The meter has 5 segments of LED bar graph, each segment will be displayed in two ways, the indicator light flashes or lights up, with LCD screen, you can read the data Reference Model ---- The meter can work on ordinary 12V lead-acid battery for motorcycle, golf cart, car, boat, , all 12V lead-acid batteries. Professional Process ---- This gauge is designed for use under discharge and idling conditions. It is not recommended to use the meter for the state of charge. (If you want to know the charging power, please remove the charger and wait 3-5 minutes) Practicality ---- The instrument has a powerful battery power testing system and a unique. The battery power testing system includes 5 LED real-time display, automatic sleep and other functions. Working Principle ----- battery meter is suitable for 12V lead-acid batteries. The 12V voltage is automatically recognized based on the battery voltage. No user action is required. The battery gauge automatically goes to