LOKITHOR JT400 is a multi-functional car battery jump starter tool that combines jump starter, vehicle battery tester, LED flashlight and mobile power supply. Using integrated anti-spark technology and reverse polarity protection design, the battery jumper starter and battery booster pack can safely start a car battery that is too low in voltage or completely dead; features built-in Bluetooth 5.3 for real-time battery monitoring via a mobile app. It supports battery health, cranking, and charging tests, real-time voltage monitoring. The JT400 tester delivers key data such as SOH (State of Health), SOC (State of Charge), voltage, current, and rated capacity, Integrated high output 200 lumen LED flashlight with six light modes - 100%, 50%, 10%, Flash, Strobe and SOS. The standby time can be up to 24 months after a full charge. The internal battery pack can charge any personal mobile device, such as a smartphone, tablet, or other USB device, or via any powered USB port. Suitable for home life and travel and camping. Other commonly used search terms include: LOKITHOR jump starter, battery jumper starter portable, cargador de bateria de automovil, car battery charger jump starter, car jumper starter portable, portable jump starter for car battery, jumper box for car battery portable, portable car battery charger, jumpstart portable car jump starter, battery jump box, jump pack for car battery, car starter jumper power bank, portable battery charger for car, cargador de baterias de carro, cables para pasar corriente a carros, car jump starter portable, portable car battery jump starter, car battery charger portable, portable car charger battery jump start, battery starter car jumper, arrancador de autos portatil, jumper cables with battery pack, jump starter power bank, car battery jumper, battery jump starter portable, cargador de batería de carro, jumper pack for car battery, jumpbox, jumpstarter, battery pack charger portable for car, auto battery charger jump starter, jump packs for cars and trucks, portable jumper cables, jump box for car battery, battery car jumper, portable battery jumper, battery booster jump starter pack, cargador de batería de carro, car battery jump starter portable, portable battery charger for cars, jumpstar, jumpstarter, jump starters for automobiles, jumper starter for car battery, portable car battery charger and jump starter, jump start battery pack, jumpstarter powerpack, auto jump starter portable, battery charger car, portable jumper cables with power pack, battery jumper pack portable, jumpbox for cars, booster pack jump starter, cargador de batería de carro, portable battery charger for cars, jumpstart, car battery booster, cargador de bateria de carro portatil, car jump starter power bank, jump cable for car, jump boxes for vehicles, motorcycle battery jump starter and more.
- 【Smart Jump Starter and Battery Tester】A powerful jump starter that delivers up to 2500A peak current to start 12V vehicles (up to 8.5L gas / 6.5L diesel). It functions as both a car battery booster and battery tester, featuring built-in Bluetooth 5.3 for real-time battery monitoring via a mobile app. It supports battery health, cranking, and charging tests, as well as real-time voltage monitoring, and then provides key data such as SOH (State of Health), SOC (State of Charge), voltage, current, and rated capacity.
- 【Extreme Safety Protection】Equipped with an advanced BMS and smart self-identifying clamps for fully insulated and reliable operation. Features 10 comprehensive protections, including Spark-Proof, Reverse Polarity, Over-Charge, Over-Current, Short-Circuit, Low/High Temperature, Over-Voltage, and Over-Load protection—ensuring safe and confident use.
- 【Wide Battery Compatibility】This alternator tester is compatible with most batteries (100–2000 CCA), including Flooded, AGM Flat Plate, AGM Spiral, GEL, and EFB types. Supports multiple testing standards: CCA / SAE / EN / DIN / IEC, ideal for DIY users, home mechanics, and vehicle owners.
- 【Portable Power Bank & Emergency LED Light】With USB-A and USB-C two-way charging ports, it keeps your smartphones, tablets, and more fully powered on the go. The built-in LED flashlight offers 6 modes (100%, 50%, 10%, Blink, SOS, and Strobe), making it a reliable and must-have emergency companion for road trips, camping, and outdoor adventures.
- 【ConnectMax Technology for Faster Starts】Automatically detects the connection impedance between clamps and battery, optimizing power delivery and improving the success rate of vehicle starting, even in challenging conditions.
- 【Packing List & 24/7 Customer Service】You will get: JT400 jump starter ×1, Jump clamps x1, User Manual x1, USB-A to USB-C cable x1, Product Storage Bag x1 and 12-month Warranty, If you need any help, please feel free to contact us.
- The Best Gift of 2026 – designed for urgency. If you're still agonising over what to buy, the JT400 is undoubtedly the best choice for birthdays, Valentine's Day, Father's Day, Mother's Day, wedding anniversaries, Christmas and New Year.
- TIPS: To ensure a reliable boost, please ensure that the product has more than 30% battery power. The product has a Bluetooth operating range of about 10 meters.
Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item
Warranty: 90 Day Woot Limited Warranty
