Smart Booster 300A Wheel Charger for Cars and Trucks

🔋 Mega Smart Booster 300A Wheel Charger – 12/24V for Cars & Trucks

Professional Car & Truck Battery Charger, Jump Starter & Alternator Tester

Whether you’re running a busy workshop, managing a fleet, or just want to be prepared for emergencies, the Mega Smart Booster 300A is your all-in-one powerhouse. With support for 12V and 24V batteries, this rugged, wheeled charger can jump-start dead batteries, charge, repair, and even test alternators — making it the perfect companion for pros and serious car enthusiasts.

⭐ Key Features

🔌 All-in-One Functionality

• Jump Start: Start vehicles even with fully discharged batteries.
• Smart Charging: Compatible with 12V/24V AGM, GEL, and STD batteries.
• Battery Repair Mode: Restore aging or sulfated batteries.
• Alternator Test: Check your generator’s health in seconds.
• DC Output: 12V / 15A port to power external devices.

🛡️ Smart & Safe Operation

• LED digital display for real-time voltage and current.
• Reverse polarity, overload, and overheat protection.
• Built-in cooling fan for extended use.
• Easy-to-use control panel with illuminated buttons.

🚗 Supports a Range of Vehicles

• Works with cars, trucks, motorcycles, agricultural machinery, and more.
• Compatible with 12V and 24V AGM / GEL / STD batteries.

🧳 Practical & Portable Design

• Durable wheels and top handle for mobility.
• Heavy-duty, high-quality clamps and cables.
• Clear, intuitive controls – no guesswork.

⚙️ Technical Specifications

✅ Why You Need It

• Be prepared for emergency jump-starts.
• Save time with quick charging and diagnostics.
• Avoid repeated trips to the mechanic.
• One tool = multiple devices saved!

🤔 FAQs

• Does the charger work automatically?
  Yes! It detects battery type and voltage, and adjusts charging accordingly.
• Can it start a truck or large vehicle?
  Absolutely. With 24V and 210A, it’s built for heavy-duty use.
• Is it safe for non-professionals?
  Yes. It has built-in protections and clear instructions. Just follow basic safety.
• Is it suitable for home garages?
  Definitely! Just use it carefully on 12V batteries like cars or motorcycles.
• Can it be used daily in a workshop?
  100%. It’s made for professionals and high-usage environments.

🔧 How to Use

🔋 Jump-Start Mode

1. Connect clamps: Red = positive (+), Black = negative (–).
2. Set voltage: 12V or 24V.
3. Press Engine Start – do not exceed 5 seconds. Wait 2 minutes before retrying.
4. Disconnect safely after starting.

⚠️ Caution: Avoid touching clamps during operation – risk of sparks!

🔌 Battery Charging

1. Connect as above.
2. Choose:
   • Battery Type: AGM / GEL / STD
   • Voltage: 12V / 24V
3. Press Charge – smart system takes over.
4. Charging time: ~2–6 hours depending on battery size.

♻️ Repair Mode (Desulfation)

• For old/damaged 12V batteries only.
• Press Repair – cycle may take 4–12 hours.

⚠️ Do not use this mode on new AGM batteries.

⚡ Alternator Test

1. Start the engine.
2. Connect device.
3. Press Alternator Test – voltage appears on screen.
4. Below 13.2V or above 14.8V = generator issue.

🧼 Care Tips

• Never leave it connected after use.
• Store in dry, cool place.
• Keep clamps clean to avoid rust.
• Don’t use in wet conditions.