QUARKZMAN 72 V Voltmeter - Red LED 2-Wire 0.56 Inch

What is it? This battery indicator is widely used in various instruments, mobile and practical devices, mobile power equipment, electric bicycles, balance cars, boats, etc. It can monitor the power or voltage at any time to meet your different needs. What will I get? Operating voltage: 72 V. Plate size: 47.5 x 28.5 x 21.5 mm/1.87 x 1.12 x 0.85 inches (L x W x H). Screen size: 36 x 18 mm/1.42 x 0.71 inches (L x W). Cable length: 150 mm/5.91 inches. Font length: 8 mm / 0.31 inches. Backlight colour: Red/Green Type: battery + voltage display Package includes: 1 x battery gauge. Are there any advantages of the product? Can display battery symbol + "%" or battery symbol + "V", the two display modes can be switched as desired. By knowing the voltage level of the battery, users can avoid deep discharge, which can reduce the total life of the battery. How to use it? 1. Connect the positive and negative terminals of the display board to the positive and negative terminals of the battery to be tested, press the red button with your finger, and the LED light will light up to show the real-time battery power. 2. Release your finger, the LED light will go out after a delay of 3-5 seconds, and it does not consume energy at all when resting. 3. With reverse connection function, it will not be broken, even if the positive and negative connectors are interchanged, easy to adjust. What should I pay attention to? Commonly used for lead-acid batteries and lithium batteries, can be adjusted via the buttons on the back.