The Tornado4000’s smart technology matches the power output to the battery’s needs for safer repair and minimizes unnecessary energy consumption. With this, you can improve the performance and longevity of your batteries. With intelligent microprocessors, this product will charge two times faster than standard chargers, so you can offer timely and efficient services.

• CHARGE ALL 6V & 12V BATTERIES

TOPDON’s Tornado4000 trickle charger works on all 6V & 12V lead-acid batteries, and 12V lithium-ion batteries. It is compatible with regular flooded, AGM flat plate, AGM spiral, GEL, and deep-cycle batteries, suitable for all types of vehicles, such as cars, SUVs, motorcycles, light trucks, boats, lawnmowers, and more.

• ALL-IN-ONE CHARGER

This TOPDON Smart Battery Charger can diagnose and repair various battery problems, including power acceleration and internal resistance.
It’s also an advanced battery maintainer, trickle charger, and desulfator. This battery charger can automatically detect battery sulfation and acid stratification, allowing users to restore lost performance to start engines easier and extend battery life.

• SAFETY. ABOVE. EVERTHING.

The Tornado4000 is built with user safety in mind providing spark-free operations and reverse polarity protection. The circuit protection guards against reverse polarities, sparks, overcharging, over-currents, open-circuits, short-circuits and overheating.
The IP65-rated ABS shell housing seals the internal technology from dust, dirt and water.

• 9-STEP SMART CHARGING

Revolutionary 9-step charging allows for faster charging and better battery maintenance. Unlike other battery repair tools, the Tornado4000 can recharge dead batteries without the risk of overcharging and further damage. Work with confidence and eliminate the possibility of overcharges!

• HARD TO BREAK AND EASY TO USE

The Tornado4000 trickle charger adopts a sturdy, yet light and compact design. Weighing only 544.3g (1.20 lbs.), it’s easy to carry and use anywhere. Detailed instructions combined with advanced safety features and a streamlined operating process minimizes learning curves and gives users of every experience level the ability to do the job right.

• WORKS IN EXTREME CLIMATES

The Tornado4000 is designed to counter inclement weather patterns that can alter the battery charging process. Built-in sensors automatically detect the outside temperature and alters the output charge to eliminate over-charging in hot climates and under-charging in cold climates. This charger can Repair batteries in environments ranging from -10℃ to 40℃ (14℉ to 104℉).
Simply connect to a power source, then a damaged battery, and let this advanced tool automatically monitor, charge and maintain your battery.