Trusted Custom Car Battery Tester Manufacturer in China Since 2000

  • Competitive Factory Pricing

  • Certified By ISO9001 / CE / RoHS / FCC

  • 100% On-time Shipping & Delivery

  • 100% Match Your Designs:Sizes | Styles | Logo | Packaging

  • Free Samples & Free Packaging Design

  • One to One Full Line Service & After Service

WT07 QBH automotive battery health tester factory Car Battery Load Tester 12V24V Automotive Battery Tester

Trusted Custom Car Battery Tester Manufacturer in China Since 2000

  • Competitive Factory Pricing

  • Certified By ISO9001 / CE / RoHS / FCC

  • 100% On-time Shipping & Delivery

  • 100% Match Your Designs:Sizes | Styles | Logo | Packaging

  • Free Samples & Free Packaging Design

  • One to One Full Line Service & After Service

WT07 QBH automotive battery health tester factory Car Battery Load Tester 12V24V Automotive Battery Tester

Popular Types of Car Battery Tester

As a direct factory, we supply a full range of car battery testers to meet every diagnostic need — customize the tester’s features, functions, display type, casing, branding, and testing parameters for a fully tailored solution.

  • Accurate SOH & SOC Analysis | 12V/24V Tester for Lead-Acid & AGM Batteries

    • Minimum Order Quantity: 1
    • Screen: LCD Display
    • Brand Name: QBH
    • Model: WT07
    • Power Supply: 12V / 24V Battery
    • Language: Supports Multi-language
    • Applicable Vehicle Type: Universal
    • Warranty: 1 Year
    • Origin: China (Mainland)
    • Certificates: CE ISO FCC
  • Smart Diagnostics App | Wireless Voltage, CCA & Internal Resistance Analysis

    • Minimum Order Quantity: 1
    • Screen: LCD Display
    • Brand Name: QBH
    • Model: WT07
    • Power Supply: 12V / 24V Battery
    • Language: Supports Multi-language
    • Applicable Vehicle Type: Universal
    • Warranty: 1 Year
    • Origin: China (Mainland)
    • Certificates: CE ISO FCC
  • Diagnose Alternator & Starter | Digital Screen + Bluetooth App Reporting

    • Minimum Order Quantity: 1
    • Screen: 2.4 inch LCD
    • Brand Name: QBH
    • Model: WT07
    • Warranty: 1 Year
    • Origin: China (Mainland)
    • Certificates: CE ISO FCC
  • Fleet Maintenance Tool | Test 12V Batteries & Diagnose 24V Charging Systems

    • Minimum Order Quantity: 1
    • Screen: LCD display
    • Brand Name: QBH
    • Model: WT07
    • Power supply: 12v/24v battery
    • Language: Support Multi-language
    • Warranty: 1 Year
    • Connection Type:Connects via a flexible fiber optic cable
    • Applicable vehicle type: Universal
    • Origin: China (Mainland)
    • Certificates: CE ISO FCC

Customize battery load tester to Fit Your Brand Needs

From concept to delivery, we manage each step with strict precision — making your customized automotive battery tester project seamless, efficient, and perfectly aligned with your brand.

Automotive Borescope Supplier Exhibition

Step 1. Consultation & Requirement Analysis

We begin by understanding your business model, target market, and product positioning.
Our sales and engineering teams will work closely with you to discuss:

  • Testing functions required: voltage, current, internal resistance, CCA, etc.
  • Application scenarios: repair shops, 4S centers, battery stores, DIY users
  • Design preferences: exterior style, button layout, display type, housing color
  • Branding needs: logo customization, UI interface, packaging design

Goal: to deliver a car battery tester solution that perfectly matches your brand and market requirements.

Step 2. Design Review & Component Selection

After clarifying your needs, we proceed to:

  • Review or refine your exterior design files
  • Confirm details such as screen type, button layout, housing structure, and interface ports
  • Assist in selecting key electronic components, including:
    • High-precision measurement chips
    • Stable power-management modules
    • Heat-resistant and flame-retardant housing materials
    • Battery clamps, cables, and protection circuitry
  • Provide free exterior or UI design if needed

This ensures your product maintains accuracy, durability, and strong brand identity.

WT07 RD design of car battery tester 43
Works for qbh Company

Step 3. Quotation & Order Confirmation

Once the design, specifications, and component selections are finalized, we will:

  • Provide a detailed quotation based on hardware configuration and production processes
  • Confirm order terms and payment conditions
  • Begin scheduling engineering samples and production timelines

Your customization project officially enters execution at this stage.

Step 4. Sample Production & Approval

We can offer:

  • Free standard samples for functional evaluation
  • Customized engineering samples based on your branding and specifications

You may evaluate:

  • Measurement accuracy
  • Display clarity and layout
  • Housing structure, feel, ergonomics
  • Logo or panel design
  • Anti-interference performance and safety features

Once approved, the project moves on to mass production.

borescope camera quality inspection
QBH WT07 12V24V Battery Internal Resistance Wire Bending Life Tester

Step 5. Mass Production & Quality Inspection

During mass production, our products go through SMT and PCBA assembly, structural assembly, calibration, and aging tests. Each unit is rigorously checked for accuracy, temperature stability, cable durability, button lifespan, drop resistance, and housing strength to ensure consistent high quality.

Step 6. Packaging & Global Delivery

All finished products are packaged with:

  • Protective shock-proof materials
  • Customized branded boxes (optional)
  • Export-standard outer cartons

We offer flexible global shipping methods:

  • Sea freight
  • Air freight
  • Express delivery (DHL, FedEx, UPS, etc.)

Ensuring your order arrives safely, quickly, and in excellent condition.

Step 6. Packaging & Global Delivery
QBH booth at Automechanika Shanghais entrance showcasing diagnostic tools for global buyers Networking with clients

Step 7. After-sales Service & Reorder Support

After delivery, we continue to support your brand with:

  • Feedback collection on product performance and user experience
  • Optimization of features, appearance, or cost for future orders
  • Long-term availability of spare parts and technical support

Helping your brand continuously improve product competitiveness in the market.

Ready to Start Your Custom Project?

Battery Health Calculator

Quick check: enter measured battery voltage and Cold Cranking Amps (CCA). This tool gives a fast, practical assessment to help decide if a battery needs charging or replacement.

1. Quick Battery Health Check
For 12V Starter Batteries
Status
Please enter values and click “Check Battery”.

For best accuracy, use data measured directly by the WT07 Car Battery Tester (Voltage / CCA / SOH / SOC / Internal Resistance).

2. Key Factors in Battery Health Assessment
Voltage · CCA · Temperature
2.1 Voltage (Measured Voltage)

The open-circuit voltage reflects the state of charge (SOC). For a typical 12V lead-acid battery:

  • 12.7–12.6V: Fully charged
  • 12.5–12.4V: ~75% charged
  • 12.3–12.2V: ~50% charged
  • 12.1–12.0V: Low charge
  • <11.9V: Deeply discharged

Long-term low voltage causes sulfation and permanent capacity loss. Voltage is therefore a core indicator in battery evaluation.

2.2 CCA (Cold Cranking Amps)

CCA indicates a battery’s ability to start an engine under low-temperature conditions. Higher CCA = stronger starting performance.

Typical evaluation:

  • ≥450A: Good starting ability
  • 300–449A: Reduced performance
  • <300A: Weak, replacement recommended

A battery may show “normal voltage” but have significantly reduced CCA — meaning it can no longer reliably start the engine.

2.3 Temperature

Temperature greatly affects battery capacity and CCA:

  • −10°C: Capacity may drop by ~30%
  • −20°C: Capacity may drop by 50% or more

Cold weather can cause unexpected starting failures even if the battery seems healthy at room temperature.

2.4 Why These Factors Matter

The Battery Health Calculator evaluates the combined effects of:

  • Voltage → Charge level & sulfation risk
  • CCA → Engine starting capability
  • Temperature → Real-world performance impact

This comprehensive evaluation provides a more accurate conclusion than relying on a single measurement.

3. Best Companion: WT07 Car Battery Tester
Recommended Tool

WT07 is a professional automotive battery tester compatible with Lead-Acid, AGM, EFB, and GEL batteries. It accurately measures:

Voltage CCA SOH SOC Internal Resistance

Enter WT07 readings into the calculator for fast, accurate assessment of whether the battery can continue to be used, needs charging, or should be replaced.

Learn more about WT07 >

Top Car Battery  Tester Manufacturer

QBH Technology

Founded in 2010, we are a professional manufacturer of car battery testers, offering one-stop services from raw materials to finished products. We focus on OEM & ODM solutions and provide reliable, accurate, and cost-effective automotive diagnostic tools for global customers.

Our Certificates

We are confident that our products comply with the highest quality standards and can successfully meet a wide range of certification and testing requirements. Experience our professional automotive testing instruments and engage with our experts at international exhibitions.

Trusted by Global Brands

honda-automobiles
mercedes-benz-seeklogo

Why Choose Our Car Battery Tester Factory

We specialize in the manufacturing of car battery testers, providing stable quality, flexible customization, and reliable delivery for global B2B customers. With over 25 years of factory experience, we focus on solving real purchasing pain points such as inconsistent quality, delayed shipments, and poor supplier communication.

  • Most Competitive Factory Pricing

  • Certified Manufacturing System

  • Free Samples & Design Support

  • Fast, On-Time Global Delivery

  • Worry-Free After-Sales Service

What Is a Car Battery Tester?

WT07 car battery voltage tester Group6 Colorways Button Unified

A car battery tester is a specialized tool used to evaluate a vehicle battery’s health, voltage, internal resistance, and starting/charging performance. It helps diagnose battery failures before they cause vehicle breakdowns.

Types of Car Battery Testers

Car battery testers come in several types to match different testing needs:

Conductance Battery Tester:
Uses conductance technology to measure battery health quickly without fully loading the battery.

Load Battery Tester:
Applies a real electrical load to evaluate the battery’s cranking capability.

Multifunction Smart Battery Analyzer:
Tests voltage, CCA, internal resistance, charging system, and starting performance.

OBD-Compatible Battery Tester):
Connects to the vehicle OBD port to read battery, alternator, and ECU-related electrical data.

Portable Mini Battery Tester
Compact and easy to carry, ideal for DIY users and small workshops.

Advantages of Car Battery Testing

Car battery testing provides multiple benefits for everyday drivers, mechanics, and automotive shops:

Accurate Health Diagnosis
Helps identify aging batteries, weak cells, and internal resistance issues early.

Prevent Unexpected Breakdowns
Early detection avoids sudden battery failure during travel.

Check Vehicle Charging System
Ensures alternator and charging system work correctly.

Cost Savings
Avoids

Fast & Easy to Use
Most testers provide results within seconds,

 

Types of Car Battery Testers

Car battery testers are used across various scenarios in automotive diagnostics:

Automotive Repair Shops
Conduct routine inspections and diagnose charging/starting problems.

Car Dealerships
Ensure battery performance before selling or delivering vehicles.

Roadside Assistance
Quickly assess battery conditions during on-site service。

Fleet Maintenance
Regular testing helps keep commercial vehicles reliable and operational。

DIY Car Owners
Home users can test their battery health anytime without going to a repair shop。

 

Automotive Battery Tester FAQ

We firmly believe that being a partner is more valuable than simply being a supplier. Our goal is to become your most reliable R&D and production department. We proactively share industry trends, new materials, and emerging technologies with you to jointly develop the next generation of products. Growing together with our clients is our greatest success.

Safety is our bottom line. All our products comply with RoHS certification, ensuring they contain no harmful substances. Our factory is certified under the ISO 9001 Quality Management System. Every batch of raw materials, semi-finished, and finished products undergoes multiple rounds of rigorous inspection to guarantee consistent quality and reliability.

This battery tester is suitable for automotive repair shops, service centers, fleet operators, car dealers, and DIY users. Its simple operation and professional-level measurements make it easy to position across multiple sales channels.

You’re warmly welcome! We firmly believe that seeing is believing. You can schedule an on-site visit through our official website or request a live video factory tour. We will give you a comprehensive view of our dust-free workshops and production lines, showcasing our commitment to quality and transparency.

Of course. Due to confidentiality agreements, we cannot disclose all client names, but we have established long-term partnerships with several well-known brands in Europe and the United States. These collaborations reflect our strong R&D capabilities, stable product quality, and trusted manufacturing expertise.

Yes. The product supports OEM and private label customization, including logo printing, packaging design, user manuals, and software interface customization, making it ideal for brand owners and distributors.

Key selling points include LCD digital display, stable clamp contact, internal resistance testing, CCA measurement, battery life analysis, charging system test, and reverse polarity protection. These features make it competitive in both professional and retail markets.

Yes. The compact design, clear LCD screen, and user-friendly interface make it suitable for e-commerce platforms, automotive tool stores, and workshop supply channels.

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