J400 2000A Portable Lithium Jump Starter for Gas & Diesel Engines

Comprehensive Description

Start Completely Dead Batteries

Powerful and Safe for Starting Your Dead Car Battery

Powerful Starting Current With peak starting current up to 2000 amps, the J400 is designed to powerfully start your completely dead car battery. Especially suitable for vehicles with 8.0L gasoline or 6.0L diesel engines, it provides the energy needed to get you moving.

Seamless Jump Starting Experience seamless jump starting efficiency with our cutting-edge ConnectMAX Technology. Our system automatically detects the impedance of the clamp connection to the car battery, ensuring optimal performance every time.

Extreme Safety

Intelligent Battery Management Designed with an integrated battery management system and smart self-identifying clip, the J400 ensures safety and full insulation. It comes with 10 protection types, including Spark-Proof, Reverse-Charge, Over-Charge, Over-Current, Short-Circuit, Reverse-Polarity, Low-Temp, High-Temp, Over-Voltage, and Over-Load protections.

Secure Connection The LOKITHOR emergency starter is designed to securely connect to any 12-volt vehicle, making it ideal for a wide range of vehicles.

More Than Just a Jump Starter

Portable Power Bank and LED Flashlight In addition to being a powerful jump starter, the J400 also functions as a portable power bank and LED flashlight. Recharge smartphones, tablets, and other USB devices using its 1.5-hour recharge time at 3.0-amps.

Integrated LED Flashlight The integrated 300-lumen LED flashlight features 3 light modes, including emergency strobe and SOS, providing immediate assistance when needed.

User-Friendly Control Center

Smart Screen Interface The J400 comes with a user-friendly 5.75-inch smart screen that provides all operational status information, battery level, and possible errors, ensuring you always know the status of your device.

Advanced Battery Technology

Industry-Leading Discharge Technology Using lithium battery discharge technology with a rate of over 80C, the J400 delivers a discharge current 2.5 times that of other starting power sources with the same battery capacity. Its ultra-compact, lightweight design weighs only 1.5 pounds, making it easy to carry.

Warranty and Manufacturing

12 Months Warranty LOKIT_HOR is a global professional manufacturer of multi-functional automotive emergency tools. The J400 includes a 12-month warranty and comes with a package including: J400 x1, Jumper clamps x1, USB-C cable x1, and User Manual x1.

Best Gift of 2025

Perfect for Urgent Gift Choices Designed for urgency, the J400 is an ideal gift for any occasion, including birthdays, Valentine's Day, Father's Day, Mother's Day, wedding anniversaries, Christmas, and New Year's gifts.