Soundtech 12/24V Battery Tester BC-252

BC-252 12-24V DC AUTOMOTIVE BATTERY CHECKER FEATURES / DESCRIPTION ? TEST 12-24V BATTERIES ? LED INDICATORS PROVIDE EASY-TO-KNOW BATTERY CONDITION ? CHECK CHARGING CIRCUIT OF 12-24 VOLT BATTERIES INCLUDING SEALED ACID AND MAINTENANCE FREE TYPES ? HEAVY DUTY INSULATED CLAMPS WITH 22 AWG 230MM WIRE FOR SAFE AND EASY OPERATION ? CHARGER CHECK ? ALTERNATOR CHECK ? BATTERY CHECK RATING : 12/24V DC OPERATING VOLTAGE RANGE : 9.9V~18.2V DC / 20V~32.1V DC OPERATING TEMPERATURE : -20°C ~ 60°C INSULATION RESISTANCE : DC 500V 100M Ω MIN.