Frienda DC 12V 24V 36V 48V 72V Battery Meter with Alarm, Battery r Battery Capacity Voltage Indicator Battery Gauge Monitors Lead-Acid and Lithium ion Battery Indicator, Green

Practical to use: the battery voltage r 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 lead acid battery, ternary lithium battery, polymer lithium-ion battery, 3 -15 series lithium ion battery, storage battery, water battery and more
Working voltage input: this package comes with 1 piece of battery r with alarm, practical for you to use and replace in daily life, 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