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Battery Testers
  • 12V Lead Acid Battery Level Indicator LCD Display Tester 1S 2S 3S 4S 5S 6S 7S 18650 Li-ion Lithium Battery Capacity Indicator
12V Lead Acid Battery Level Indicator LCD Display Tester 1S 2S 3S 4S 5S 6S 7S 18650 Li-ion Lithium Battery Capacity Indicator

12V Lead Acid Battery Level Indicator LCD Display Tester 1S 2S 3S 4S 5S 6S 7S 18650 Li-ion Lithium Battery Capacity Indicator

$0.70-$0.90/ Piece|50 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 1000 pieces）
View product details

12V Lead Acid Battery Level Indicator LCD Display Tester 1S 2S 3S 4S 5S 6S 7S 18650 Li-ion Lithium Battery Capacity Indicator

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Real-Time Capacity Monitoring: LCD display provides precise capacity readings for 12V lead-acid and lithium-ion (18650) batteries across 1S to 7S configurations, enabling efficient energy management.
  • Versatile Compatibility: Designed to support a wide range of battery types, including Li-ion and lead-acid systems, ensuring adaptability for diverse applications.

Key features

  • 1. Durable Material Construction

    • With a rugged plastic front panel and energy-efficient LEDs, ensure long-lasting performance and clear charge visibility even in harsh environments. Outperforms traditional analog gauges with fragile components*.

  • 2. User-Friendly Interactive Design

    • With an LCD display and built-in "TEST" button, monitor battery capacity in real-time and verify functionality instantly—unlike models lacking self-diagnostic features*.

  • 3. Broad Compatibility & Precision

    • Supports 1S to 7S lithium-ion and 12V lead-acid batteries, offering 20% more voltage configurations than standard single-type indicators*.

  • 4. Versatile Scenario Solutions

    • Designed for both home solar systems and commercial electric vehicles, its color-coded wiring and clip-on mounting simplify installation in diverse settings*.

  • 5. Eco-Conscious Compliance

    • With EPR certifications from Germany and France for packing, meet strict European environmental regulations on packaging waste—exceeding non-certified competitors*.

Product details

12V Lead Acid Battery Level Indicator LCD Display Tester 1S 2S 3S 4S 5S 6S 7S 18650 Li-ion Lithium Battery Capacity Indicator

The 12V Lead Acid Battery Level Indicator LCD Display Tester is a versatile monitoring solution for lithium (1S-7S, 18650) and lead-acid batteries. Designed with EPR-certified durability and intuitive LCD readouts, it simplifies capacity tracking across industrial, automotive, and portable applications.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialDurable plastic front panel, LED arrayHarsh environments (moisture/dust)
Display TypeLCD with 5-level LED charge indicatorsClear visibility in bright or dim light
CertificationsEPR_Germany_Packing, EPR_France_PackingCompliance for EU market distribution
Detecting ParameterCapacity (mAh/Percentage)Real-time battery health monitoring
Supported BatteriesLithium (Li-ion 1S-7S, 18650), Lead AcidMulti-chemistry compatibility
Test FunctionManual "TEST" buttonPre-installation functionality check

Customization guide

Adjustable parameters:

  • Material/Color: Customize plastic color to match equipment aesthetics (e.g., black for industrial use, white for consumer devices).
  • Wiring Options: Extend or shorten pre-attached red/black wires for tailored installation.
  • LED Count: Modify the number of segments (e.g., 5-LED for basic indication vs. 10-LED for precision).

Get inspired

With its rugged design and LCD clarity, this indicator ensures reliable battery management for electric vehicles, solar systems, or portable electronics. The TEST function streamlines troubleshooting, while EPR certifications simplify EU market entry.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Accuracy±5%±3% (+40%)±1.5% (+70%)*
Response Time2s1.5s (20% faster)0.8s (60% faster)
Operating Temp.-10°C to 60°C-20°C to 70°C-30°C to 85°C
ConnectivityWired onlyWired + BluetoothWireless (LoRa)

Supplier's note

  1. Technical Breakthroughs:

    • EPR Dual-Certification: Meets stringent EU packaging regulations, reducing compliance costs.
    • LCD + LED Hybrid Display: Combines numerical precision (LCD) with quick visual cues (LEDs).
    • TEST Button Integration: Eliminates post-installation errors by enabling pre-check diagnostics.

  2. Version Selection Guide:

    • Base Model: Ideal for home/low-stakes users needing basic capacity tracking (e.g., garden tools).
    • Advanced Model: Targets professionals requiring faster response times and Bluetooth data logging (e.g., solar installers).
    • Pro Model: Engineers field technicians benefit from extreme temp tolerance and wireless connectivity for remote monitoring.

With the Pro’s -30°C rating, you can deploy it in Arctic exploration gear, while its LoRa link ensures real-time updates to central systems. The Advanced Model’s Bluetooth pairs seamlessly with smartphones for DIYers tracking EV battery health.

Frequently asked questions

  • Which battery level indicator model is best for monitoring 12V lead-acid batteries?

  • Does the LCD tester support 18650 lithium-ion batteries?

  • How do I test the functionality of the battery indicator before installation?

  • What materials are used in the battery level indicator’s construction?

  • Why choose an LCD display over other types for battery monitoring?

  • Can I customize the battery indicator’s color or mounting style?

  • Are the battery indicators EPR-certified for EU compliance?

  • How does the indicator handle extreme temperatures or vibrations?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Basic LED Indicator StripsWorkshop, automotive diagnostics5-LED bar (20% increments), analog voltage display (±5% accuracy)Low cost ($10-$20), rugged design (IP54)Limited to voltage readings, no capacity % display, no certification compliance
LCD Display Tester (Our Base)Home, automotive, small-scale Li-ion use1.3" LCD screen (500:1 contrast), supports 1S-7S Li-ion/lead-acid, EPR Germany/FranceClear capacity % display, multi-battery compatibility, compliance with EU normsManual checks required, no data logging, IP65 (splash-resistant)
Advanced LCD with Data LoggingRenewable energy systems, industrial use2.4" LCD with real-time graphs, IP67 (immersion-resistant), ASTM D543 chemical resistance▲ IP67 (immersion up to 1m), ▲ Bluetooth 5.0 (240ft range), ASTM D543 complianceHigher cost ($80+), requires setup for data logging
Analog Voltage GaugesQuick voltage checks in automotive shopsNeedle gauge (0-15V range), waterproof housingRugged, no electronics, instant voltage readingNo capacity estimation, no battery type differentiation, analog inaccuracy
Wireless Bluetooth MonitorsRemote industrial monitoringOLED screen + Bluetooth 5.0, app integration (iOS/Android), IP68▲ IP68 (1m immersion), remote diagnosticsRequires smartphone, complex installation, limited battery type support
Multi-Function Battery AnalyzersProfessional diagnostics labsTests voltage, capacity, internal resistance, RS232 outputComprehensive diagnostics, lab-grade accuracy (±1%)Expensive ($200+), bulky, requires technical expertise

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