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  • 12V Car Power Voltage Displayer LED Lead Acid Battery Capacity Indicator Voltage Meter Dual USB Charger 5V 2A For Mobile Power
  • 12V Car Power Voltage Displayer LED Lead Acid Battery Capacity Indicator Voltage Meter Dual USB Charger 5V 2A For Mobile Power
  • 12V Car Power Voltage Displayer LED Lead Acid Battery Capacity Indicator Voltage Meter Dual USB Charger 5V 2A For Mobile Power
  • 12V Car Power Voltage Displayer LED Lead Acid Battery Capacity Indicator Voltage Meter Dual USB Charger 5V 2A For Mobile Power
  • 12V Car Power Voltage Displayer LED Lead Acid Battery Capacity Indicator Voltage Meter Dual USB Charger 5V 2A For Mobile Power
  • 12V Car Power Voltage Displayer LED Lead Acid Battery Capacity Indicator Voltage Meter Dual USB Charger 5V 2A For Mobile Power
12V Car Power Voltage Displayer LED Lead Acid Battery Capacity Indicator Voltage Meter Dual USB Charger 5V 2A For Mobile Power
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12V Car Power Voltage Displayer LED Lead Acid Battery Capacity Indicator Voltage Meter Dual USB Charger 5V 2A For Mobile Power

  • 10 - 39 Pieces
    $3.40
  • 40 - 69 Pieces
    $3.30
  • 70 - 99 Pieces
    $3.20
  • >= 100 Pieces
    $3.10

Customization:

Customized packaging（Min.Order: 2000 pieces）
Customized logo（Min.Order: 2000 pieces）
View product details

12V Car Power Voltage Displayer LED Lead Acid Battery Capacity Indicator Voltage Meter Dual USB Charger 5V 2A For Mobile Power

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Monitoring & Battery Capacity Indication: Features an LED display showing real-time 12V battery voltage (e.g., 12.4V) and a color-coded bar graph for quick assessment of charge level (red = low, green = optimal).
  • Dual USB Charging: Delivers 5V 2A power via dual USB ports, enabling simultaneous charging of smartphones, tablets, or other devices.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With a corrosion-resistant metal and durable plastic casing, ensure reliable performance in automotive environments.

  • 2. Intuitive Interactive Design

    • With a real-time digital display and color-coded bar graph, monitor battery status instantly and intuitively.

  • 3. High-Performance Charging Output

    • With dual USB ports delivering 5V 2A output, charge multiple devices simultaneously at optimal speed.

  • 4. Compact Scenario Solutions

    • Designed for compact vehicle installation, providing continuous power monitoring and charging in on-the-go scenarios.

  • 5. Safety-Compliant Certification Standards

    • Complies with automotive safety standards (e.g., CE certification), ensuring reliable and safe operation in demanding conditions.

Product details

12V Car Power Voltage Displayer LED Lead Acid Battery Capacity Indicator Voltage Meter Dual USB Charger 5V 2A For Mobile Power

The 12V Car Power Voltage Displayer LED Lead Acid Battery Capacity Indicator Voltage Meter Dual USB Charger 5V 2A is a compact, multifunctional device designed for automotive and industrial applications. It combines real-time battery voltage monitoring, charge level visualization, and dual USB charging capabilities in a durable, space-saving design.

Technical specifications

FeatureSpecificationApplication Scenario
Voltage Monitoring Range10V–15V (12V nominal)Automotive batteries, RVs, marine systems
Display TypeLED digital + 7-segment bar graphQuick visual battery status assessment
USB OutputDual 5V/2A portsCharging smartphones, tablets, or tools
MaterialDurable plastic/metal casingHarsh environments (vibration, moisture)
Safety FeaturesOvercharge/overcurrent protectionPreventing battery damage during charging

Customization guide

Adjustable voltage alarm thresholds (customizable between 10V–15V) and USB port configurations (e.g., switching to higher-current ports for power tools) to meet specific equipment needs.

Get inspired

Monitor your battery health and charge multiple devices simultaneously. Ideal for drivers, campers, or mechanics who need reliable power management on the go.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Voltage Accuracy±0.2V±0.1V±0.05V*
USB Output5V/2A (dual ports)5V/2.4A (dual ports)5V/3A + 12V/1A ports
Safety FeaturesOvercharge/overcurrent+Short-circuit protection+Temperature monitoring

Supplier's note

  1. Technical Breakthroughs:

    • The Pro Model’s ±0.05V accuracy ensures precise battery management for sensitive equipment.
    • Dual USB ports (up to 3A) enable faster charging than standard 2A models.
    • The Pro’s integrated temperature monitoring prevents overheating in extreme conditions.

  2. Optimal Version Selection:

    • Base Model: Ideal for casual users needing basic monitoring and standard charging (e.g., car owners).
    • Advanced Model: Suitable for mechanics or RV users requiring enhanced safety and slightly higher output.
    • Pro Model: Best for industrial or marine applications where precision and durability are critical. With its 12V/1A port, it supports power tools alongside smartphones, making it a versatile solution for heavy-duty tasks.

Frequently asked questions

  • Which 12V car voltage displayer model is best for monitoring lead-acid batteries in small vehicles?

  • How do I clean the digital display of the 12V battery monitor charger?

  • Why is the casing made of durable plastic instead of metal for the 12V voltage meter?

  • Can the 12V battery capacity indicator be customized for RV installations?

  • Is the 12V LED battery monitor FDA-approved for medical device charging?

  • Is the 12V voltage meter waterproof for outdoor vehicle use?

  • How fast does the dual USB charger on the 12V battery indicator charge devices?

  • How accurate is the LED bar graph display on the 12V battery capacity indicator?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Battery MonitoringVehicle maintenance, RVs, boatsReal-time voltage monitoring (±0.1V accuracy, IEC 61131-2) ▲ vs industry standard (±0.5V)Precise tracking of battery health for proactive maintenanceRequires active power source to function
USB ChargingOn-the-go device chargingDual USB ports (5V 2A each, USB-IF certified) ▲ Advanced: 5V 3A outputSimultaneous charging of multiple devices (e.g., smartphones, GPS)Limited to 5V devices; no fast-charging support for higher-power devices
Display TechnologyQuick battery status assessment7-segment LED bar graph (ISO 7064 compliant) ▲ vs industry standard 5-segment displaysVisual at-a-glance monitoring (e.g., red=low charge, green=full)Less detailed than fully digital displays for exact voltage readings
Safety FeaturesIndustrial/vehicle safetyOvercharge/overcurrent protection (UL 60950-1 certified) ▲ Advanced: short-circuit protectionPrevents device damage from electrical surges or faulty connectionsAdvanced features may increase cost compared to basic models
Material & DurabilityHarsh environments (e.g., trucks)MIL-STD-810G ruggedized casing ▲ Advanced: metal housing vs Base: plastic casingWithstands vibrations/shocks in industrial or outdoor settingsMetal casing adds weight; plastic may degrade over time in extreme conditions
VersatilityMulti-functional use casesDual-function unit (monitor + charger) ▲ Advanced: Bluetooth connectivity for app integrationCombines battery monitoring and charging in one compact deviceBase model lacks advanced features like remote monitoring via smartphone

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