Topdon Tornado4000 - 4A Smart Battery Charger

Features and Benefits:

• The Tornado4000 supports a wide selection of batteries ranging from 5Ah to 120Ah; compatible with all types of 6V & 12V lead-acid batteries; and 12V lithium batteries including LI; AGM; WET; GEL; MF; CAL; EFB.
• Tordado4000 offers 5 charging modes: 12V NORM; 12V LI; 12V REP; 12V SUP and 6V NORM. Simply choose the most suitable charging mode according to your battery and let the Tornado4000 go to work.
• Providing an output supply of 13.5V and a maximum current of 4A (54W); the Tornado4000 works as voltage stabilizer for ECU programming and a power supply for 12V devices such as tire inflators; lamps; fans; etc with the 12V “SUPPLY” mode.
• Utilizing pulse-width modulation to break down the sulfates in an aging battery; the Tornado4000 can restore the battery resistance efficiently and prolong service life; reviving the battery and bringing it back to a suitable state-of-health.
• The Tornado4000 will self-adjust charging power as needed based on a variety of conditions such as temperature of the charger; or temperature of the environment as a safety measure.
• TOPDON�s patented 9-step smart charging gives your lead-acid battery an optimized; maintained; and integrated charging process. When connected; not only will the Tornado4000 charge the battery; but it will act as battery maintainer to truly repair your car battery. Moreover; the Tornado4000 specializes in offering a 5-step smart charging mode for lithium batteries.
• After a charging mode has been selected; the Tornado4000 will begin charging automatically without the need to select anything else. The charger also has a memory function that will resume charging at the previously set charging mode after the charger has been switched on again after being off.
• Equipped with 4 error indicators; the Tornado4000 will not only display the detected voltage of the device but also clearly shows the charging status.
• The Tornado4000 is equipped with built-in safety systems such as over-temperature; short circuits; over voltage; reverse connection and sparks
• IP65 rated; and constructed of an ABS exterior housing; the Tornado4000 is dust and water resistant. It is also flame retardant and withstand temperatures up to 158°F (70°C).



The Tornado4000 is more than just a smart compact battery charger. It�s a battery maintainer; trickle charger; battery desulfator; and a DC power supply all in one. The Tornado4000 can supply a constant 13.5 volts DC to power on-board devices drawing up to 4 amps. It�s compatible with 6V/12V lead-acid and 12V lithium-ion batteries up to 120Ah. 5 charging modes combined with 9-Step Smart Charging technology make the Tornado4000 highly versatile. An IP65 water-resistant enclosure and cold weather capability (down to -4°F/-20°C) ensure a wide operating environment range; while also being lightweight and portable. Operation is easy thanks to the four error indicators.