DJP-801 Battery Indicator is the latest achievement of our companys development group. Adopted lead-acid battery charge capacity and voltage display functions, It is best option for vehicle and equipment. It is used programmable single chip microcomputer as main circuit. It is have the virtue of small size, low power, high immunity, highly reliable and accurate, long life,fine appearance etc. Widely used in club car, clearing equipment, automobile engineering, motor bicycle, electrical bicycle, electrical jet ski, medical equipment etc. Features: Red 10 bar highlighted LED display low-power battery Red LED flashes indicating energy reserve , battery power more than 80%(volt higher than 18V) Red LED flashes indicating empty, 70% discharged (volt lower than 10V ) Temperature: Operating: 40-80 Storage: -50~+90 Humidity: 95%RH non- condensing at 38 Operating volt range:9V-18V,system voltage±25%