Round LCD Hour Meter with LED Battery Level Indicator Indicator 12V 24V 36V 48V 72V for Golf Car Sweeper -- Runleader proudly presents the new rl-bi004 battery level indicator with hour counter. Can work on most lead-acid batteries. It has a powerful battery and timing system, as well as several other unique functions. System battery level indicator including: Delay display function, power off memory function, open circuit reset function, etc. Timing system including: Accumulation of total operating hours TOT, Total number of hours resettable RESET, etc. Unique design including: Easy SNAP-IN installation, data stored automatically after diaconnecting with battery, etc. Moreover, the products have CEIROHSC certification. It features a China patent. This battery indicator with hour counter has a 10 segment LED display graph battery indicator and a 6 digit LCD display hour counter. The two functions work together and display obviously. The battery level indicator fits for lead-acid battery, it can work on 12/24V,36V,48/72V battery. Other types of batteries (such as GEL, AGM, LiFeO4)