12V Lead ACID Batteries Indicator Battery Capacity LED Tester Voltmeter Charge Level Indicator 12V Lead-acid Battery 5-15mA Description: Working current:5-15mA(The lower the battery voltage and current smaller) Eight electricity Resolution:10% 25% 40% 50% 60% 75% 90% 100% Voltmeter accuracy:1% Working temperature: -10 ~ +65 Centigrade Operating Humidity: 10 ~ 80% Dimensions: 48*29*21 mm Indicator: Battery Read more about 12V Lead ACID Batteries Indicator Battery Capacity LED Tester Voltmeter Charge Level Indicator 12V Lead-acid Battery 5-15mA[…]