Voltcheck Pro | Digital Battery & Charging System Tester Analyzer | UCAN-VOLT-II
Estimated delivery between January 05 and January 07.
Solves the Most Frustrating No-Start Problems
Dead battery? Weak alternator? Failing starter? Most car owners replace parts blindly and still end up stranded. This professional 12V and 24V battery tester pinpoints the real problem in minutes so you fix the right thing the first time.
- ✓ Diagnoses no-start and slow crank issues
- ✓ Identifies weak batteries before they fail
- ✓ Confirms alternator charging problems
- ✓ Tests starter draw and cranking voltage
Why Every Vehicle Owner Needs This Tester
$150-$300
Average shop cost for battery replacement
3-5 Years
Average battery lifespan before failure
50%
Battery life reduction in extreme weather
#1
Leading cause of vehicle breakdowns
Professional-Grade Features
Complete System Analysis
- ✓ Battery health assessment
- ✓ Alternator output testing
- ✓ Starter system evaluation
- ✓ Parasitic draw detection
Advanced Technology
- ✓ Tests as low as 1.5V
- ✓ CCA range: 100-2000
- ✓ Backlit LCD display
- ✓ Multi-language support
Universal Compatibility
- ✓ Regular 12V batteries
- ✓ AGM batteries
- ✓ GEL batteries
- ✓ Hybrid auxiliary batteries
Professional Testing Guide & Results Interpretation
Understanding Your Test Results
| Test Result | Diagnosis | Recommended Action |
|---|---|---|
| GOOD | Battery is healthy and functioning properly | Schedule next test in 3 months |
| GOOD - RECHARGE | Battery healthy but charge is low | Charge fully and retest, check alternator |
| WARNING | Battery showing signs of deterioration | Plan replacement within 1-2 months |
| REPLACE | Battery is failing or has failed | Replace immediately to prevent breakdown |
Expert Testing Tips
Best Testing Conditions
- ✓ Test when engine is cold (4+ hours off)
- ✓ Clean battery terminals before testing
- ✓ Ensure good clamp connections
- ✓ Test in various weather conditions
Testing Frequency
- ✓ Every 3 months routine check
- ✓ Before long road trips
- ✓ Monthly in extreme temperatures
- ✓ After jump-starting vehicle
Cost Savings Analysis
| Service Type | Shop Cost | Your Cost with Tester | Annual Savings |
|---|---|---|---|
| Battery Testing | $50-100/test | $0* | $200-400 |
| Alternator Check | $75-125/test | $0* | $150-250 |
| System Diagnosis | $100-150 | $0* | $200-300 |
*After initial tester purchase
Technical Specifications & Capabilities
Testing Capabilities
- ✓ Voltage Range: 1.5V-30V
- ✓ CCA Range: 100-2000
- ✓ Alternator Load Test
- ✓ Starter Motor Analysis
- ✓ Charging System Check
Battery Compatibility
- ✓ Standard 12V
- ✓ AGM Flat Plate
- ✓ AGM Spiral
- ✓ GEL Batteries
- ✓ Deep Cycle
Physical Features
- ✓ LCD Display with Backlight
- ✓ 3.0ft Cable Length
- ✓ Heavy-Duty Clamps
- ✓ Protective Rubber Boot
- ✓ Impact-Resistant Case
Frequently Asked Questions
Can I test a completely dead battery?
Yes! Our tester can analyze batteries with as little as 1.5V remaining charge, making it perfect for diagnosing completely discharged batteries.
Does it work on hybrid vehicles?
Absolutely! The tester is compatible with hybrid vehicle auxiliary batteries and can accurately test both traditional and modern battery systems.
What's included in the package?
- • Professional Battery Tester
- • Heavy-Duty Test Clamps
- • Protective Carrying Case
- • Comprehensive User Manual
- • Quick Start Guide
Protect Your Vehicle & Save Money
Join over 3,000+ satisfied customers who trust YOUCANIC for reliable diagnostics
Free Shipping on All Orders!
12V & 24V Vehicle Support
- ✓ Cars, SUVs, motorcycles
- ✓ Trucks, diesel pickups, RVs
- ✓ Commercial & fleet vehicles
- ✓ Heavy-duty 24V battery systems
Perfect For
- ✓ DIY car owners
- ✓ Mobile mechanics
- ✓ Repair shops
- ✓ Fleet managers
- ✓ Truck & diesel owners
- ✓ RV & camper owners
Can this tell me if my problem is the battery, alternator, or starter?
Yes. This tool performs dedicated battery, starter, and alternator tests so you know exactly which component is failing instead of guessing or replacing good parts.
Why You Need This Tester Even If You Own the YOUCANIC UCAN-II?
The YOUCANIC UCAN-II is an advanced diagnostic scan tool designed to read vehicle modules, fault codes, live data, and system status across the entire vehicle. It can display battery voltage, monitor charging data reported by the vehicle, and help diagnose electronic systems.
However, vehicle data alone cannot accurately test battery health or starting and charging performance.
That’s where this dedicated battery and charging system tester comes in.
What the UCAN-II Does Best
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Reads trouble codes from all vehicle systems
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Monitors live data from ECUs
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Displays battery voltage reported by the vehicle
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Diagnoses engine, transmission, ABS, airbag, and more
What the UCAN-II Cannot Do
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❌ Load test a battery
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❌ Measure true battery State of Health (SOH)
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❌ Test starter cranking performance
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❌ Test alternator output under real load
These tests require direct electrical measurement, not ECU data.
What This Battery & Charging System Tester Does That Scanners Can’t
This tool connects directly to the battery, allowing it to perform true electrical testing that scan tools cannot.
It can:
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✅ Test 12V and 24V batteries
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✅ Measure SOC (State of Charge)
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✅ Measure SOH (State of Health)
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✅ Test starter cranking performance
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✅ Test alternator and charging system output
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✅ Identify weak batteries before they fail
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✅ Detect charging system problems that don’t set fault codes
This means no guessing and no unnecessary part replacement.
The Perfect Diagnostic Combination
When used together, the UCAN-II and this tester give you complete coverage:
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Use UCAN-II to diagnose vehicle systems and electronic faults
-
Use this tester to confirm battery, starter, and alternator health
This is the same workflow used by professional shops to avoid comebacks and misdiagnosis.
Why This Matters for Car Owners and DIYers
Many starting and charging problems do not trigger warning lights or fault codes right away. A battery can look fine on a scan tool, yet fail under load.
This tester:
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Prevents roadside breakdowns
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Saves money on unnecessary replacements
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Gives clear yes or no results in minutes
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Removes uncertainty from electrical diagnostics
Shop confidently with our unbeatable promises! 🌟 Money-back guarantee included! Enjoy lightning-fast, FREE priority shipping! If you're not thrilled, return within 30 days, no questions asked. Trust our secure checkout from a USA-based company!
Shipping directly from our Maryland, USA warehouse, we're your trusted USA-based company! Experience lightning-fast Priority Shipping, and expect your order in just 2 to 4 business days. Plus, enjoy our money-back guarantee and hassle-free 30-day returns!


