About This

• Start Completely Dead Batteries - Powerful and safe to start your completely dead car battery. Up to 2000 amps peak starting current, especially suitable for vehicles with 8.0L gasoline/6.0L diesel engine. It can be started up to 40 times on a single charge.
• CONNECTMAX TECHNOLOGY - Experience seamless jump starting efficiency: To ensure optimal connect every time and maximize the starting efficiency of your jump starter, our cutting-edge system automatically detects the impedance of the clamp connection to the car battery.
• Extreme Safe - Designed with an integrated battery management system and smart self-identifying clip, the LOKITHOR emergency starter is safe and fully insulated. 10 protection types, including Spark-Proof Protection, Reverse-Charge Protection, Over-Charge Protection, Over-Current Protection, Short-Circuit Protection, Reverse-Polarity Protection, Low-Temp Protection, High-Temp Protection, Over-Voltage Protection , Over-Load Protection, securely connects to any 12-volt vehicle.
• More Than Jump Starts - It's a car jump starter, portable power bank, and LED flashlight. Recharge smartphones, tablets, and other USB devices. It's easily rechargeable from any powered USB port in 1.5-hours at 3.0-amps. Plus, an integrated 300-lumen LED flashlight with 3 light modes, including emergency strobe and SOS.
• Intelligent Control Instruction Center - A user-friendly 5.75-inch smart screen provides you with all the information about operational status, battery level and possible errors.
• Industry-leading Battery Technology - Using lithium battery discharge technology with a rate of over 80C, combined with an extremely safe battery management system, the discharge current is 2.5 times that of other starting power sources with the same battery capacity. Ultra-compact, lightweight design weighing only 1.5 pounds.
• 12 Months Warranty - LOKITHOR is a Global Professional Manufacturer of Multi-functional Automotive Emergency Tools. Package Including: J400 x1, Jumper clamps x1, USB-C cable x1, User Manual x1.
• The Best Gift of 2026 - Designed for Urgency. If you're still agonizing over gift choices, then the J400 is undoubtedly the best option for birthdays, Valentine's Day, Father's Day, Mother's Day, wedding anniversaries, Christmas, and New Year's gifts.

Overview

• Brand : LOKITHOR
• Battery Cell Composition : Lithium Polymer
• Voltage : 12 Volts
• Product Dimensions : 3.39"D x 6.89"W x 1.69"H
• Vehicle Service Type : ATV, Lawn Mower, Motorcycle, Passenger Car, Motorcycle, ATV, Van, RV, UTV, Truck, Watercraft, Tractor, Scooter, Snowmobile, Tractor, UTV, Watercraft ATV, Lawn Mower, Motorcycle, Passenger Car, Motorcycle, ATV, Van, RV, UTV, Truck, Watercraft, Tractor, Scooter, Snowmobile, Tractor, UTV, Waterc… See more