4008 N Ravenswood Ave, Chicago, IL 60613
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EV Battery Diagnostics & Replacement

Advanced battery testing • Cell balancing • Thermal management

Professional EV Battery Services

Your electric vehicle's battery is its heart. Our advanced diagnostic equipment and certified technicians ensure your EV battery performs at its peak efficiency and longevity.

We provide comprehensive battery health assessments, cell balancing, thermal management services, and complete battery pack replacements for all major EV brands including Tesla, BMW, Audi, and more.

⚠️ Signs Your EV Battery Needs Service:

  • • Reduced driving range
  • • Slower charging speeds
  • • Battery warning messages
  • • Unusual battery temperature
  • • Inconsistent power delivery

Battery Service Pricing

Battery Health DiagnosticStarting at $199.99
Cell Balancing Service$349.99
Thermal Management Service$449.99
Battery Module ReplacementFrom $2,499.99

Tesla Owner Special: Save $100 on battery diagnostics this month!

Complete Battery Services

From diagnostics to complete battery pack replacement

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Battery Health Analysis

Comprehensive testing of battery capacity, internal resistance, and cell condition

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Cell Balancing

Equalize individual cell voltages for optimal performance and longevity

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Thermal Management

Cooling system inspection and service to maintain optimal battery temperature

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Battery Module Replacement

Individual module replacement for damaged or degraded battery sections

High Voltage Testing

Safe testing of high voltage systems with specialized equipment

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Performance Monitoring

Real-time monitoring of battery performance and efficiency metrics

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Safety Inspections

Comprehensive safety checks including insulation and leak testing

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BMS Calibration

Battery Management System calibration and software updates

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Battery Reconditioning

Advanced techniques to restore battery capacity and extend life

Battery Testing Equipment & Capabilities

Advanced Diagnostic Tools

  • High-voltage battery analyzers up to 1000V
  • Cell-level voltage and temperature monitoring
  • Insulation resistance testers
  • Battery capacity and load testing equipment
  • Thermal imaging cameras
  • OEM diagnostic software

Safety Certifications

  • 🏆High-voltage safety certified technicians
  • 🏆OSHA electrical safety training
  • 🏆EV battery handling certification
  • 🏆Hazmat transportation licensed
  • 🏆EPA compliance certified
  • 🏆Manufacturer training certificates

Case Study: Tesla Model S Battery Recovery

Real results from our battery diagnostics and reconditioning services

Before Service

Battery Capacity:68% of original
Driving Range:180 miles
Charging Speed:50% reduced
Cell Imbalance:0.8V variance

Customer Complaints:

  • • Frequent charging needed
  • • Reduced performance in cold weather
  • • Battery warning messages

After Service

Battery Capacity:94% restored
Driving Range:285 miles
Charging Speed:Full speed restored
Cell Balance:0.05V variance

Services Performed:

  • • Complete battery diagnostics
  • • Cell balancing and conditioning
  • • BMS recalibration
  • • Thermal system service

Comprehensive Battery Service Warranty

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Service Warranty

24 Months

All battery diagnostic and repair work

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Parts Warranty

36 Months

Battery modules and components

Performance Guarantee

30 Days

Satisfaction guarantee or money back

EV Battery Service FAQ

How long does a battery diagnostic take?

A comprehensive battery diagnostic typically takes 2-4 hours. We provide a detailed report with battery health, capacity, and recommendations.

Can you fix a Tesla battery without voiding the warranty?

Yes, we follow all manufacturer guidelines and use OEM procedures. Our services maintain your Tesla warranty compliance.

How much does EV battery replacement cost?

Battery replacement costs vary by vehicle model and battery size. Tesla Model S/X: $12,000-$15,000, Model 3/Y: $8,000-$12,000. We offer financing options.

Do you recycle old EV batteries?

Yes, we are EPA-certified for hazardous material handling and partner with certified recycling facilities for responsible battery disposal.

How often should I have my EV battery checked?

We recommend annual battery health checks or every 15,000 miles. More frequent checks if you notice reduced range or performance.

Schedule Your Battery Service

Professional EV battery diagnostics and replacement services

Request Battery Diagnostics & Replacement

Booking requests are now handled on our Contact page.

Reach out and our team will confirm your appointment quickly.

Prefer email? Write us at contact@jandaauto.repair

Maximize Your EV Battery Life & Performance

Schedule your comprehensive battery diagnostic today

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