Frienda Dc 12v 24v 36v 48v 72v Battery Meter with Alarm Battery Capacity Indicator Monitor Voltage Meter and Lithium Ion Indicator(Blue Light)

Practical to use: you will receive 1 piece of battery meter, the battery voltage tester is featured with switched function button, you can press to check the cattery capacity or real-time voltage and turn off, with alarm design, the battery meter display will flash when the battery capacity is lower than 20 percent. Easy to read: designed with clear LCD digital display, the battery gauge indicator comes with PVC waterproof screen protector with bright back-light, which makes you can read the results from different angles, low working power consumption and the max is 5 mA. For different battery: the battery capacity indicator is compatible with 12V/ 24V/ 36V/ 48V/ 60V/ 72V/ 84V acid battery, ternary lithium battery, polymer lithium-ion battery, 3 -15 series lithium ion battery, storage battery, water battery and more. Working voltage input: the working voltage input ranges from DC 12V to 84V, which can automatically detect to the accurate voltage according to the battery voltage. Widely applicable: the battery capacity voltage indicator can be placed in different places, such as garden, home, office and more, reliable and can be applied you for a long time, meeting your different needs, making life more convenient