DC 7–55V LED Voltage & Battery Level Indicator with Power-Off Memory – Universal Display Module for Lead-Acid and Lithium Batter

Product Features:1. Low-voltage alarm: A red lightning bolt symbol flashes when the battery level is low.2. Customizable settings: Configure high/low voltage thresholds and define the voltage levels for full charge and full discharge.3. Adjustable backlight: Built-in settings allow the display backlight to remain constantly on or operate on a timer.4. Power-off memory: Automatically saves current battery data in the event of an unexpected power loss.5. Broad compatibility: Supports various battery types (e.g., ternary lithium, LiFePO4, lead-acid); suitable for applications such as electric vehicles.Product Specifications:Voltage measurement range: DC 7–55V (Red display: DC 7–40V)Operating current: ≤20mADisplay type: LED screenDisplay color: Red, Green, Blue, or White (selectable)Default setting upon initial power-up: Ternary lithium battery (L03S/L03)Ternary lithium (L) measurement range: 3S–12SLiFePO4 (F) measurement range: 3S–14SLead-acid (P) measurement range: 12V/24V/36V/48VDimensions: 40 x 15 x 3 mmPackage Contents:Battery level indicator x1