Tool Description
TOPDONT4A (TORNADO4000) servers as a smart battery charger for 6V/12V lead-acid and 12V lithium-acid batteries up to 150 amp-hours, with twice the charging speed, 10 charging steps, 8 charging modes, light weightiness, portability, ease of use, compact design and other extraordinary features, proving itself to be highly safe and reliable for charging, repairing, maintaining various batteries.
Package List

Technical Specifications

Input Voltage AC: 100-240VAC, 50-60Hz  

Working Voltage AC: 100-240VAC, 50-60Hz  

Efficiency: 85% Approx.  

Power: 65W Max  

Charging Voltage: Various  

Charging Current: 4A (12V)4A (6V)  

Low-Voltage Detection: 2V(12V), 2V(6V)  

Back Current Drain: < 5mA  

Working Temp.: 14°F to 104°F (-10° to 40°C)  

Storage Temp.: 0° to 130°F (-17°C to 54°C)  

Charger Type: 10 Step, Smart Charger 

Type of Batteries: 6V & 12V  

Battery Chemistries: Wet, Gel, MF, CA, EFB, AGM& LIB  

Battery Capacity: Up to 150Ah (6V & 12V)

Maintains All Sizes  

Housing: Protection IP65  

Cooling: Natural Convection  

Dimensions: 205.4*74.1*46.5mm (8.09*2.92*1.83 inches)  

Weight: 545g (1.20 lb) 

Package List

1* TOPDON Tornado4000

1* Cable Clamp

1* User Manual

1* Packing Box


  • One of the most advanced, versatile, safest & all-in-one battery chargers.

  • Also a battery maintainer, trickle charger, plus battery desulfator.

  • Evolutionary 4-Step 4A Smart Charging technology.

  • Intelligent microprocessoris adopted for a faster and more efficient charge.

  • 2X faster than ordinary battery chargers.

  • Universally compatible with6V & 12V Lead-acid, and12V lithium-ion batteries (Wet, MF, GEL, AGM, etc.) from up to 150Ah.

  • 8 unique charging modes to suit requirements for small and large batteries even in cold temperature.

  • Built-in 5 protections against Reverse Polarity, Overvoltage, Overcharging, Overheating and Low Voltage.

  • Safely connected 24/7, UV and IP65 water resistant.

  • Compact design with intuitive LED indicators.

  • 3-year warranty.