4000A Jump Starter Unit
Heavy-Duty Smart Jumper Clamps
Carrying Storage Case

User Manual
USB-C Charging Cable

Charge the Jump Starter First

• Plug the USB-C cable into the jump starter.
• Charge it until 100% (or at least 60% for a strong jump).
• The battery icon will show charging progress.

2. Turn Off the Car Completely

• Key OUT
• Lights OFF
• Doors closed (optional but helps save power)

3. Connect the Smart Clamps

Open your bonnet → find the car battery.

1. Red clamp → Positive (+) terminal
2. Black clamp → Negative (–) terminal
3. Plug the clamp cable into the jump starter port.

The smart clamp box will show a green light (safe to start).
If it flashes red or beeps → wrong connection → swap the clamps.

4. Start Your Car

• Go back to your driver seat.
• Turn the key or press Start.
• Engine should start immediately.

How to Recharge the Jump Starter

• Use the USB-C cable included
• Plug into any wall charger / power bank / car USB port
• Full charge takes about 3–5 hours depending on charger speed

It can stay in your car for months, but top it up every 2–3 months for maximum power.

Our commitment to your satisfaction is evident in our products, backed by a 30-Day, Money-Back Guarantee.

Our warranty not including the battery