TOPDON Tornado120000 (T120A) – Professional Smart Programming Power Supply for 12V Systems

Voltage Steady, Performance Ready

The T120A provides stable voltage and power for prolonged diagnostics, ECU programming, and battery maintenance.
Delivering up to 120A current and 1700W power, it ensures reliability when working with advanced vehicles like BMW and Mercedes-Benz.

Precision Power for Every Battery Type

Compatible with both 12V lead-acid and 12V LiFePO4 batteries, the T120A automatically adjusts current and voltage for optimal results.
With Custom Mode, users can define and save personalized charging settings for repeated, precise operation.

9-Step Smart Charging

TOPDON’s patented 9-step charging process combines optimization, maintenance, and desulfation to enhance battery performance and longevity.

Adjustable Output Voltage and Current

Real-time control of voltage and current ensures precise, adaptable power for repair tasks or laboratory testing.

8 Advanced Safety Protections

Built-in protection systems prevent:
reverse connections, short circuits, overheating, overcurrent, overvoltage, overload, spark hazards, and faulty battery damage.

One Charger for All Needs

Perfect for workshops, repair technicians, and engineers — the T120A supports charging, power stabilization, and ECU programming for vehicles, boats, and lab testing.

Specifications

Electrical

• Input Voltage: 90–240V AC

• Output Voltage: 11–16.8V (5–120A adjustable)

• Maximum Power: 1700W

• Charging Modes: Supply / Lead-Acid / LiFePO4 / Custom / NORM / AGM

Cables

• Input: AWG18#, 2m

• Output: Positive AWG4# (2.2m or 5m) / Negative AWG4# (2.2m or 5m)

Environment

• Working Temp: -10°C to +40°C (14°F–104°F)

• Storage Temp: -20°C to +75°C (-4°F–167°F)

Safety

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

Package Includes

• Tornado120000 Unit

• 2m or 5m Battery Clamps

• USB-A to USB-B Cable

• AC Power Cable

• User Manual

• Safety Guide

Attention – Designed for 12V systems only. Do not use with 24V applications.