DC 7–55V Smart Battery Level Indicator (JX-4615N-A2) – LCD Voltage & Capacity Meter

Specification:Model: JX-4615N-A2Voltage Range: DC 7V to 55VDisplay: LCD (Green Backlit)Battery Type: Compatible with Li-ion, LiPo, Lithium, and Lead Acid batteriesFunctions: Battery capacity bar + real-time voltage displayInput Pins: VCC, GNDDimensions: Approx. 60mm x 25mmCase Material: ABS plasticInstallation: Panel mount / adhesive mountableWeight: Approx. 20gDescription: This DC 7–55V Smart Battery Monitor is a compact and reliable LCD module that displays both battery capacity (via bar graph) and voltage level in real-time. Ideal for lithium, lead-acid, or LiPo battery systems, it helps you visually monitor battery health at a glance. The green backlight and simple 2-wire connection make it perfect for DIY, solar, e-bike, UPS, and portable power applications.Application:E-bike battery level displaySolar power systemsLead acid or lithium battery-powered devicesPower banks and UPS setupsPortable electronics and toolsHow to Set the Battery Type (Gel, Lithium, Lead-acid):1. Power On the module by connecting it to your battery (7–55V DC range).2. Press and Hold the "TEST" button (the red circle with the power icon) for about 3 seconds.3. The display will enter battery type selection mode.4. Short press the "TEST" button to cycle through the battery types:P1: 3.7V Lithium battery (Li-ion, Lipo)P2: 3.2V LiFePO4 batteryP3: 2.0V Lead-acid battery (AGM, Gel, Flooded)P4: Custom voltage settings (manual configuration)5. Once your desired battery type is displayed, wait 5 seconds or long press the button again to save and exit.