Carsync EXTREME 4-in-1 (2025 UPDATED) | Jump starter, tire pressure, power bank, flashlight

Start Voltage: 12V-16.8V
Start Current: 600A; Peak Current: 1200A
Size: 7.6 x 4.3 x 2.0 inches (193 x 110 x 50 mm)
Jump starter for 10L Gasoline, and 8L Diesel

Inflation Pressure Range: 3 to 120 psi (0.2 to 8 Bar)

Back up Battery Capacity: 11,200 mAh (41.4Wh)

Fast Charging Outputs and Protocol support:
USB-C Input only: 5V/3A (15W)

USB-A1 Output only: Apple, BC1.2 DCP, AFC, FCP, QC2.0, QC3.0; 5V/3A, 9V/2A, 12V/1.5A (18W)

USB-A2 Output only: Apple, BC1.2 DCP; 5V/2.1A (10.5W)

Simultaneous Port Outputs: USB-A1+USB-A2 – 5V/2.4A (12W), no protocol support + 5V/2.1A, Apple, BC1.2 DCP; 5V/2.1A (10.5W)

Accessories in handy storage bag includes: Smart Clamp Cable, Inflating Tube, Air Nozzle, Air Needle, USB Charging Cable, User manual

Weight: 3.02 lbs. (1.37 kg)
Dimensions: 5.25 x 4.25 x 8.90 in. (133 x 108 x 226 mm)

Q1: What vehicles can the Carsync Extreme jump-start?

A: It works with 12V vehicles, including gasoline engines (up to 10L) and diesel engines (up to 8L). The RST Force Start feature can revive completely dead batteries (below 9V).

Q2: How many jump starts can it do per charge?

A: Up to 60 jumps on a single charge, with a lifespan of 1,500+ recharge cycles.

Q3: What safety features protect my vehicle?

A: It has 10-layer protection, including reverse polarity, overcurrent, short circuit, and spark-proof technology.

Q4: What’s the max PSI for the air compressor?

A: It supports up to 150 PSI and inflates a standard car tire (~20 PSI) in ~2 minutes.

Q5: Does it auto-stop when the tire is full?

A: Yes! The Auto-Stop function prevents over-inflation.

Q6: Can it inflate bikes, sports balls, or air mattresses?

A: Yes—it includes 4 nozzles for different uses.

Q7: How long does the battery last in storage?

A: It can hold a charge for 24 months but should be topped up every 2–3 months for best performance.

Q8: Can I charge my phone or other devices?

A: Yes! It doubles as a 10,000mAh power bank with USB-C output.

Q9: Why does the air compressor stop working?

A: It may overheat with extended use—let it cool for 5–10 minutes before restarting.

Q10: What if my car still won’t start?

A:

• Ensure the unit is charged above 75%.
• Use the RST Force Start for dead batteries.
• Check clamps for a secure connection.

We Got Your Back, Driver!

Have questions? Need support? Our dedicated team of experts is here to help you every step of the way. We understand that you value communication, and we're committed to providing you with personalized support.

Email us at contact@getcarsync.com

We respond within 30 minutes, because we know that you don't like waiting. Whether you need product guidance or have technical questions, we've got you covered!

Let's talk!

Shipping & Delivery

We ship every order within 48 hours.

Fast & Tracked Delivery: 2-4 Business Days

International shipping available

Track your order easily with our automated email updates

Our Driver-Friendly Return Policy

90-Day Money-Back Guarantee

Try the Carsync UlTRA, love it, or return it for FREE - no questions asked

Full refund if you're not 100% satisfied

How to Return

Email contact@getcarsync.com with your order number

We'll send you all the instructions.

Drop off your package at any postal location

Refund processed within 5-7 business days after we receive your return

Need help? Our customer care team is ready to assist at contact@getcarsync.com