【Efficient setting key】: The multifunctional battery indicator has a new design of the front setting button, and has several functions: cycle voltmeter/battery percentage, turn on the backlight, black, sleep mode, battery type selection, etc., 【Practical designs】: The battery capacity voltage indicators are designed with a switched function button,, you can press to check the battery capacity or real-time voltage and turn it off, with alarm design, the battery meter display will flash when the battery capacity is low., 【LCD display】: The battery gauge indicators come with PVC waterproof screen protector with bright back-light, which makes you can read the results on the clear LCD display from different angles, low working power consumption, the max is 5 mA., 【Fit different battery】: The battery gauge indicators are compatible with 12V/ 24V/ 36V/acid battery, ternary lithium battery, polymer lithium-ion battery,, 3 -15 series lithium-ion battery, storage battery, water battery, more., 【Where to use】: The battery meters with alarms can be applied to different machines and places such as the garden, home, office, more,, can serve you for a long time, meeting your different needs and practical battery indicators will give you a nice experience.
