TOPDON Tornado4000 – Smart, Versatile & Powerful Battery Charger

The Tornado4000 is more than just a battery charger—it’s a battery maintainer, trickle charger, desulfator, and DC power supply all in one. Designed for 6V & 12V lead-acid and 12V lithium batteries (5Ah–120Ah), this compact yet powerful charger ensures optimal performance and longevity for your batteries.

With 5 charging modes and 9-step Smart Charging Technology, the Tornado4000 provides intelligent, automatic charging to restore, maintain, and extend battery life. Built for all-weather performance, its IP65 water-resistant, flame-retardant housing and cold-weather compatibility (-4°F/-20°C) make it ideal for a wide range of environments.

5 Charging Modes for Maximum Versatility
✔ 12V NORM – Standard charging for lead-acid batteries.
✔ 12V LI – Optimized charging for lithium batteries.
✔ 12V REP – Battery recovery mode to revive deeply discharged batteries.
✔ 12V SUPPLY – Provides 13.5V/4A for powering ECU programming, tire inflators, fans, and more.
✔ 6V NORM – Standard charging for 6V lead-acid batteries.

Simply select the right mode, and the Tornado4000 takes care of the rest!

Smart Battery Maintenance & Desulfation
✔ Pulse-Width Modulation (PWM) Technology – Breaks down sulfates in aging batteries, restoring capacity and extending lifespan.
✔ Automatic Power Adjustment – Adapts charging based on temperature and battery condition for safe and efficient operation.
✔ Memory Function – Remembers the last-used mode for hassle-free recharging.

Give your battery the care it needs with advanced desulfation and maintenance!

⚡ DC Power Supply Mode
✔ 13.5V / 4A Output – Acts as a voltage stabilizer for ECU programming.
✔ Continuous power for 12V devices – Supports tire inflators, lamps, fans, and more.

A reliable power source whenever you need it!

Intelligent Display & Safety Features
✔ 4 Error Indicators – Displays voltage, charging status, and alerts for safe operation.
✔ Built-in Protection – Guards against overheating, short circuits, over-voltage, reverse polarity, and sparks.
✔ Durable IP65 Design – Dustproof, water-resistant, and heat-resistant up to 158°F (70°C).

Designed for long-lasting reliability in any environment!

Why Choose the Tornado4000?
✅ Works with 6V & 12V lead-acid and 12V lithium batteries (5Ah–120Ah).
✅ 5 Charging Modes & 9-Step Smart Charging for optimized battery care.
✅ ECU programming & power supply mode with a 13.5V/4A output.
✅ Advanced desulfation technology to extend battery life.
✅ Automatic power adjustment & memory function for user convenience.
✅ Durable IP65-rated housing with built-in safety features.
✅ Lightweight & portable for easy use anywhere.