TOPDON T120A Stable Power Supply & 12V Battery Charger Cable Length: 5M

SKU: HKAD224-BWeight: 14.6 kg ● In stock
$849.00 $899.00
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Package: 51cm*39cm*33cm ( Inch: 20.03*15.32*12.96 )
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1. The TOPDON T120A Tornado120000 is designed for:
  1. Professional auto repair shops performing long-duration ECU online programming and coding for luxury cars (BMW, Mercedes-Benz, Audi, Porsche)
  2. Auto locksmiths and anti-theft repair technicians needing stable uninterrupted 12V power during key matching and all-keys-lost operations
  3. Battery maintenance service stores for mass charging, desulfurization and repair of various 12V lead-acid & LiFePO4 batteries
  4. Fleet maintenance teams, marine and RV service centers for boat/camper battery charging
  5. Electronics labs for adjustable DC power supply and electrical load testing
  6. Mobile roadside repair technicians who need long-distance 5-meter clamp cable for off-site vehicle power supply

2. Supported Key Functions & Features

ECU Programming Voltage Stabilization

The T120A provides stable voltage output during ECU programming and diagnostic operations.

Advantages:

• Prevents voltage fluctuations
• Supports long programming sessions
• Reduces risk caused by unstable power supply

Especially suitable for vehicles requiring stable voltage during advanced operations, including premium vehicle systems.

Adjustable Voltage and Current Output

The T120A supports real-time adjustment of:

Voltage:

• 11 to 16.8V

Current:

• 5 to 120A

Users can customize output according to different battery and vehicle requirements.

9-Step Smart Charging Technology

The built-in 9-step charging system provides an intelligent charging process.

Functions include:

• Battery analysis
• Soft start charging
• Bulk charging
• Absorption charging
• Maintenance charging
• Battery protection

It helps:

• Restore battery performance
• Reduce battery aging
• Extend battery lifespan

Multiple Charging Modes

The T120A provides 3 major charging modes for different applications.

Supports:

• Standard battery charging
• Battery repair and maintenance
• Stable power supply mode

12V Battery Repair Function

Supports battery maintenance and recovery functions for compatible 12V batteries.

Helps improve battery condition by:

• Desulfation process
• Maintenance charging
• Long-term battery care

12V Lithium Battery Support

Compatible with:

• 12V lithium batteries
• Lithium iron phosphate batteries

Custom Charging Mode

Users can customize charging parameters and save preferred settings.

Benefits:

• Personalized charging process
• Improved charging efficiency
• Suitable for different battery requirements

Large Power Output

Maximum power:

• 1700W

Maximum current:

• 120A

Suitable for:

• Automotive repair
• Battery charging
• ECU programming support
• High-power DC applications

Safety Protection System

Built-in 8 protection functions:

• Reverse polarity protection
• Short circuit protection
• Overheating protection
• Overvoltage protection
• Overcharging protection
• Spark protection
• Overcurrent protection
• Reverse connection protection

LCD Display

The dot matrix LCD screen provides:

• Charging information
• Voltage display
• Current display
• Operation status

Charging Report Export

Using the PC upgrade tool, users can export charging reports including:

• Charging mode
• Power consumption
• Charging time
• Initial voltage
• Final voltage

3. What Vehicles Does It Support?

The TOPDON T120A is a universal 12V battery charger and power supply.

It is not limited to specific vehicle brands, years, or ECU systems.

Supported Vehicle Types

Compatible with vehicles equipped with 12V battery systems, including:

• Passenger cars
• SUVs
• Pickup trucks
• Light commercial vehicles
• Boats and marine equipment with 12V batteries

Supported Vehicle Brands

The T120A can be used with 12V battery vehicles from various manufacturers, including:

• BMW
• Mercedes-Benz
• Audi
• Volkswagen
• Toyota
• Honda
• Ford
• Chevrolet
• Hyundai
• Kia
• Nissan
• Lexus
• Other 12V vehicles

Supported Battery Types

Compatible with:

• Wet batteries
• GEL batteries
• MF batteries
• EFB batteries
• AGM batteries
• CAL batteries
• VRLA batteries

Supported Battery Capacity

• 20Ah to 3700Ah

Supported Automotive Applications

• Battery charging
• Battery maintenance
• ECU programming power supply
• Vehicle repair support
• Electronic load testing

4. Please Note the Following Limitations
  1. Only supports 12V batteries; cannot charge or supply power for 24V heavy trucks, buses and construction machinery
  2. Not compatible with ternary lithium batteries; only LiFePO4 lithium batteries are supported
  3. IP20 indoor-only design, not waterproof, cannot work in rainy, damp outdoor environments without shelter
  4. Cannot drive vehicle starter motors with high current loads, only for diagnosis and maintenance equipment power supply
  5. Desulfurization repair function only works for lead-acid batteries, ineffective for lithium batteries
  6. Continuous full-load operation requires good ventilation to trigger overheat protection
  7. Not applicable for small batteries below 20Ah capacity
  8. AC input is wide-range 90–240V global mains, but no built-in region voltage automatic switching function
5. Hardware Accessories & Licensing Requirements
  • No hardware activation, annual subscription or paid authorization required; plug-and-play after connecting AC power
  • All core matching accessories (5m long clamp cable, AC power cord, USB data line) are included in the standard package
  • No mandatory extra equipment needed for daily charging and programming work
  • PC export tool is free to download from official website without software license fees
6. Software Version & Supported Operating Systems
  • Embedded fixed charging logic firmware inside the unit, independent physical button operation without daily PC dependence
  • PC Report & Upgrade Tool Compatibility: Windows 7 / Windows 10 / Windows 11 (32bit & 64bit); Mac OS & Linux are not supported
  • Connection method: USB-A to USB-B cable for report export and firmware upgrade
  • No mobile APP control function; all mode adjustments are operated on the machine’s LCD panel
7. Software Update
  • All official firmware upgrades via PC tool are permanently free of charge, no annual renewal fees
  • Upgrade content: Optimize charging curves, expand battery parameter library, fix display and protection logic bugs
  • No free update expiration period; users can download upgrade files for lifetime free
  • Operation: Connect machine to Windows PC with USB cable for one-click automatic refresh
8. Global Version

100% global universal model with wide 90–240V AC input, no regional lock, IP or country function shielding. All charging and power supply modes are fully unlocked, compatible with 12V vehicles from Europe, America, Asia and other regions worldwide.

9. Warranty
  • Standard manufacturer hardware warranty: 12 months from original purchase invoice date
  • Warranty coverage: Factory defects of mainboard, LCD display, cooling fan, internal transformer and original cables under standard indoor ventilation use
  • Excluded from warranty: Water ingress, reverse voltage connection overload burnout, unauthorized disassembly, artificial impact damage, cable aging and improper overload operation
  • 30-day return service available, buyer bears return shipping cost for non-quality issues; lifetime free text & email technical consultation
10. Package List

1pc x T120A main unit
1pc x Battery Clamp cable 5M
1pc x AC Power Cable
1pc x USB-A to USB-B Cable
2pcs x Screws
1pc x User Manual
1pc x Safety Guide

Reviews coming soon.