<ul><li>Easy to Use: The battery voltage tester has a switch function button, you can press it to check the cattery capacity or real-time voltage and battery voltage. Turned off, the battery meter displays a flashing percentage when the battery capacity is below 20</li> <li>Easy to read: The meter indicators are designed with a clear LCD digital display and come with a dust protector. waterproof PVC display with bright backlight to allow you to read results from different angles, low power consumption in operation, maximum 5mA</li><li>For different batteries: battery capacity indication compatible with 12V/24V/lead-acid batteries Storage batteries, water batteries, etc. ; please note that it is not suitable for lithium iron phosphate batteries, 1-2 lithium batteries in series and more than 15 lithium batteries in series</li><li>Wide range of applications: the indicator of battery capacity voltage can be placed Reliable and long-term application in different places, such as garden, home, office, etc., to meet your different needs, Make life more convenient</li> </ul> <b>Product Description</b> <b>Features:</b> </p > Toggle Button: You can tap to display battery capacity or real-time voltage and turn it off. Alarm: When the battery capacity is lower than 20%, the battery level display will flash. Suitable for: 12V/ 24V/lead acid battery, ternary lithium battery, polymer lithium-ion battery, 3-series lithium-ion battery 15, storage battery, water battery, etc. Reminder: This battery tester is not suitable for lithium iron phosphate batteries, 1-2 series lithium batteries and more of 15 series lithium batteries. <b>Specifications:</b> Operating Voltage: 12-84VDC Working current: 5mA maximum Working temperature: 0-40 degrees Celsius Display: Capacitance/Voltage Hardware: ABS