ITEM NAME:Digital Lead Acid Lithium Battery Capacity Tester Voltmeter White Backlight Product Description Description: Digital Battery Monitor Backlit Car Lead Acid Lithium Battery Capacity Tester Voltmeter Voltage Meter Percentage Level Indicator Feature: 1. Accurately display battery power percentage and voltage, and intuitively grasp battery usage status; 2. With switch, can turn off the tester. After it is turned off, no power is consumed; 3. Clear button display. Specification: Working voltage: 6-63V Working current: