DC 12V-72V Lead-acid Digital Battery Capacity Indicator Charge Tester Voltmeter DC 12V-72V DC Digital Lead Acid Battery Capacity LED Indicator Voltmeter Tester Features: 1. Working Current: 5-15mA, the lower battery voltage is, the lower current. 2. Eight Power Resolutions: 10%, 25%, 40%, 50%, 60%, 75%, 90%,100%. 3. Voltmeter Range: DC 12V 24V 48V 60V 72V (Auto identify voltage) 4. Voltage Meter Accuracy: 1% 5. Operating Temperature: -10℃ ~ +65 ℃ 6. Working Humidity: 10 ~ 80% ( no condensation ) 7.Reverse connection protection Specifications: Size:47 * 28 * 22mm/1.85*1.1*0.87" Shell material: plastic Packages: 1 X Battery Capacity Indicator & Voltmeter tester