About This

• Start Completely Dead Batteries – Instantly jump start your completely dead car battery with up to 2000A peak current. Designed for gas engines up to 8.0L and diesel engines up to 6.0L, this powerful jump starter delivers up to 25 starts on a single charge, ensuring reliable performance anytime you need it.
• ConnectMax Technology – Enjoy faster, safer, and more reliable jump starts. The advanced ConnectMax system automatically detects the clamp connection impedance to your car battery, ensuring an optimal connection every time and maximizing starting efficiency.
• Extreme Safety – Built with an advanced battery management system (BMS) and smart self-identifying clamps, the LOKITHOR jump starter ensures total protection and reliable use. Featuring 10 safety protections—including spark-proof, reverse polarity, overcharge, overcurrent, short circuit, over-voltage, and temperature protection—it securely connects to any 12V vehicle battery for safe jump starting every time.
• More Than a Jump Starter – The J400 is a 3-in-1 device: a powerful car jump starter, portable power bank, and 300-lumen LED flashlight. Quickly recharge smartphones, tablets, and USB devices from any powered USB port in just 1.5 hours at 3.0A. The built-in flashlight features three modes—steady, strobe, and SOS—for any roadside or emergency situation.
• Smart Digital Display – The J400 features a large 5.75-inch intelligent screen that clearly shows operational status, battery level, and error alerts in real time. Enjoy a simple, intuitive interface that keeps you fully informed during every jump start.
• Industry-Leading Battery Technology – Powered by advanced lithium battery cells with an 80C discharge rate, the J400 delivers up to 2.5× higher current output than typical jump starters of the same capacity. Built with an ultra-safe battery management system (BMS), it ensures powerful, stable performance in a compact, lightweight 1.5 lb design.
• 12-Month Warranty – Backed by LOKITHOR, a trusted global brand for automotive emergency tools. Package includes J400 unit, jumper clamps, USB-C charging cable, and user manual—everything you need right out of the box.
• The Best Gift of 2025 - 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, Watercraft