DC 7-55V Round LED Indicator Voltage Battery Level Indicator Power-off Memory Universal Display Board for Acid Lithium Battery

DC 7-55V Round LED Indicator Voltage Battery Level Indicator Power-off Memory Universal Display Board for Acid Lithium BatteryFeatures:1. Customizable high/low voltage settings: Set the fully charged voltage value (100%) and fully discharged voltage value (0%).2. Low voltage alarm function: When battery power is critically low, a red lightning symbol will flash.3. Display Backlight Timer: Built-in adjustable backlight timer with options for constant-on or timed operation4. Power-Off Memory Function: Automatically saves current charge data even during unexpected power interruptions5. Wide Battery Compatibility: Supports ternary lithium, iron phosphate, lead-acid batteries, etc., suitable for EVs, energy storage systems, and diverse industrial/civil applicationsParameter:Voltage measurement range: DC 7-55V (Red display: DC 7-40V)Operating current: ≤20mADisplay type: LED screenDisplay colors: Red, green, blue, white (optional)Default voltage for ternary lithium battery L03S (L03) upon initial power-upTernary lithium battery L measurement: 3S~12SLithium iron phosphate battery F measurement: 3S~14SLead-acid battery P measurement: 12V/24V/36V/48VProduct dimensions: 30303mmPackage include:Battery indicator*1