🔋 2 Pieces DC Battery Meter with Alarm and Switch Key - Voltage Indicator for Acid and Lithium Ion Batteries Review

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