TOPDON Tornado4000 Smart Battery Charger – 4A/1A Trickle Charger for 6V & 12V Batteries

The TOPDON Tornado4000 is a compact and intelligent battery charger designed to charge, maintain, and repair 6V and 12V lead-acid and lithium batteries. With smart 9-step charging and built-in safety features, it's perfect for maintaining cars, motorcycles, ATVs, RVs, boats, scooters, and more.

Compatible with lead-acid batteries including WET, GEL, MF, AGM, EFB, and CA, as well as 12V lithium-ion batteries, it supports battery capacities from 10Ah to 150Ah.

All-in-One Battery Solution

This advanced device functions as a charger, trickle charger, maintainer, and desulfator. It automatically detects battery sulfation and uses pulse repair technology to restore battery performance, helping extend overall battery life and improve cold starting power.

Smart 9-Step Charging Technology

The Tornado4000 features a 9-stage charging process that includes soft start, bulk charge, absorption, analysis, reconditioning, and float mode. Unlike traditional chargers that can overcharge and damage batteries, this system adapts to the battery’s condition for optimal charging without the risk of overcharging.

Broad Battery Compatibility

• Supports 6V and 12V battery systems
• Compatible with WET, GEL, MF, AGM, EFB, CA, and 12V lithium-ion batteries
• Suitable for vehicles, lawn equipment, boats, and recreational gear
• Supports battery capacities from 10Ah to 150Ah

Reliable Performance in All Climates

Equipped with automatic temperature compensation, the Tornado4000 adjusts output to prevent overcharging in hot conditions and undercharging in cold environments. It operates in extreme temperatures from -10°C to 40°C (14°F to 104°F), making it reliable year-round.

Built-In Safety Protection

• Reverse polarity protection
• Spark-proof connections
• Overcharge and overcurrent protection
• Short-circuit, open-circuit, and overheating safeguards
• Durable IP65-rated ABS housing for dust and water resistance

Lightweight and User-Friendly

Weighing just 600g, the Tornado4000 is portable and easy to store. Its 6-foot power cable and 8-foot charging leads offer flexibility and convenience, while the intuitive interface and detailed manual make it simple to use, even for beginners.

Technical Specifications

Input Voltage: 100–240V AC, 50–60Hz
Output Current: 4A (12V), 4A (6V)
Supported Battery Capacity: 10Ah–150Ah
Battery Types: 6V & 12V Lead-Acid, AGM, GEL, MF, EFB, CAL, 12V Lithium
Back Current Drain: <5mA
Operating Temperature: -10°C to 40°C
Storage Temperature: -20°C to 55°C
Dimensions: 13 x 7.9 x 5 cm
Weight: 600g
Protection Rating: IP65

What’s Included

• x1 TOPDON Tornado4000 Battery Charger
• x1 User Manual
• x1 Retail Packaging

Why Buy from Us?

• One-year manufacturer warranty
• 30-day money-back guarantee
• Reliable after-sales support
• Trusted by automotive professionals and DIY users alike