High Power 4000A Jump Starter For 12V Vehicles Up To 8.0L Gas And 7.0L Diesel Engines, 74Wh Portable Battery Pack With USB Ports, LCD Display, Storage Case And LED Light, Capable Of Up To 50 Jumps Per Charge

ET03 Jump Starter 4000A with USB, LCD, 74Wh
✔️ Peak 4000A, 74Wh, USB-C and USB-A, LCD display, 500-lumen LED

This compact jump starter delivers high-current bursts to restart 12V batteries in cars, trucks, boats, and more. It also doubles as a portable power bank for USB charging and emergency lighting in roadside or workshop tasks.

✅ 4000A peak current for rapid engine cranks
✅ 74Wh capacity supports USB charging and lighting
✅ USB-C and USB-A ports for simultaneous device charging
✅ LCD display shows battery status and input/output levels
✅ 500-lumen LED flashlight with stable, strobe, and SOS modes
✅ 10 intelligent safety protections including reverse polarity and overcharge

💡 What is a car jump starter used for and how does it help in daily use?
A handy, portable solution for emergency starts and on-the-go charging.
- Quick engine starts for 12V batteries
- USB charging for phones and tablets
- Safety protections prevent sparks and reverse polarity