🚚 Free Shipping on orders over $89 within the US


Your Cart is Empty


⏳ Sale ends in {timer}

Meet the TOPDON Tornado120000–a professional smart programming power supply designed to provide efficient charging and voltage stabilization for vehicles equipped with 12V batteries. It features intelligent current (5-120A) and voltage (11-16.8V) output adjustment and boasts a maximum power of 1700W to confidently handle every battery. With 3 major charging modes and 9-step smart charging, it seamlessly balances charging speed and quality. 
The dot matrix LCD screen ensures easy operation, while eight built-in safety protection modes provide peace of mind with features like reverse connection protection, short circuit protection, and spark protection. Compatible with both 12V lead-acid batteries and lithium batteries, the Tornado120A serves as your all-in-one charging solution for battery charging, automotive repair, and programming needs.

Cable Length


Voltage Steady, Performance Ready

  • The T120A ensures a stable and reliable power supply for prolonged diagnostic sessions and ECU programming tasks. This capability becomes especially crucial when working with luxury vehicles such as BMW and Benz, where the T120A's maximum current of 120A comes into play. Say goodbye to interruptions caused by fluctuating power sources. The T120A delivers voltage and current consistency to keep your operations running smoothly.

9-Step Smart Charging

  • TOPDON's patented 9-step charging provides an optimized, maintained, and integrated charging process for your battery. This trickle charger not only replenishes your battery but also performs desulfurization and maintenance tasks, revitalizing your car battery and maximizing its lifespan.

Adjustable Voltage and Current

  • The T120A allows real-time adjustment of output voltage and current, facilitating precise charging and providing flexible, reliable power support for maintenance tasks. It's also suitable for electronic load testing in laboratories.

Safety First

  • Ensuring safe charging is our top priority for the T120A. We've incorporated eight advanced safety features to guard against mishaps like reverse connections, short circuits, overheating, overvoltage, overcharging, and even sparks. Our aim is to ensure a worry-free charging experience.

One Charger for All

  • With the TOPDON Tornado120000 12V 120A charger, versatility meets power. It caters to a range of devices from vehicles to boats, making it indispensable for automotive technicians, electronics engineers, and battery manufacturers alike. Whether you require rapid charging or high-power supply, this charger ensures reliable power whenever and wherever you need it.


Electrical Specifications

  • Input Voltage: 90~240Vac
  • Output Voltage: 11~15.8V 5-120A(adjustable), up to 1700W
  • Charging Mode: Supply, Lead-Acid, LiFeP04, Custom


  • Input: AWG18#, 6.5 Ft.
  • Output: Positive AWG4#, 6.5 Ft. or 16 Ft.
  • Negative AWG4#, 6.5 Ft. or 16 Ft.
  • Working Temperature: 14°F to 104°F (-10°C to 40°C)
  • Storage Temperatue: -4°F to 167°F (-20°C to 75°C)

Note: To switch the output line length, please change the settings  in Output Line Settings.


  • Protection: Over-temperature protection, input low voltage  protection, overload protection, bad battery protection, short  circuit protection, overvoltage protection, reverse connection  protection, host abnormality protection.


  • Tornado120000
  • Battery Clamps
  • AC Power Cable
  • USB-A to USB-B Cable
  • User Manual
  • Quick User Guide