Set of 4 DC 12V 24V 36V 48V battery gauges with alarm, battery capacity voltage indicator, lead-acid battery fuel gauge and Li-Ion battery indicator (green and

Practical Design: Battery Capacity Voltage Indicator. The battery is designed with a switch function button; you can press it to check the battery capacity or voltage in real time and turn it off. It also features an alarm design: when the battery level drops below 20%, the battery gauge display will flash. Applicable Objects: Our battery capacity meter indicator is compatible with 12V, 24V, 36V, and 48V lead-acid batteries, ternary lithium batteries, lithium-ion polymer batteries, 3-15 series lithium-ion batteries, storage batteries, flooded batteries, etc. Digital LCD Display: The battery capacity indicator is equipped with a waterproof PVC screen protector with a bright backlight, allowing you to read the results from different angles on the clear LCD screen. It has low operating power consumption, a maximum of 5mA. Wide Application: The battery meter with alarm can be used in various machines and locations, such as the garden, home, office, etc. It is durable and can serve you for a long time, meeting your different needs and requirements. A convenient battery indicator will help you. Enjoy a pleasant experience. Functional Unit: Switch Button: Press to display the battery capacity or voltage in real time and turn off. Alarm: When the battery charge is below 20%, the battery charge indicator will flash. Applicable to: 12V/24V/36V/48V/60V lead-acid batteries, ternary lithium batteries, lithium-ion polymer batteries, 3-15 series lithium-ion batteries, storage batteries, flooded batteries, etc. LCD Digital Display: Waterproof PVC screen potentiometer, bright backlight for clear results.Note: All data is measured manually; please allow for a 1-3cm error. Due to differences in lighting and display settings, there may be some color variation; the actual product received shall prevail.