LOKITHOR JT400 2500A Portable Jump Starter with Battery Tester 12V Car Battery Jump Starter for Up to 8

About this item

• 【Smart Jump Starter and Battery Tester】This jump starter delivers up to 2500A peak starting current to start 12V vehicles (up to 8.5L gas / 6.5L diesel). Works as a car battery jump starter and battery tester, supporting motorcycles, trucks, RVs, SUVs, boats & more—helping extend battery life and reduce repair costs.
• 【User-Friendly Battery Tool】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 digital battery analyzer delivers key data such as SOH (State of Health), SOC (State of Charge), voltage, current, and rated capacity — helping you pinpoint why your car won't start. Get fast, accurate insights and save valuable time
• 【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.
• 【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.
• 【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.
• 【Portable Power Bank & Emergency LED Light】The two-way charging ports power smartphones, tablets and more. The built-in LED flashlight features 6 modes (100%, 50%, 10%, blink, SOS and strobe), making it an essential emergency tool for road trips and outdoor use.
• 【Packing List & 7×24 Customer Servies】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. It can be used normally via Bluetooth alone, even in areas without network signal.
• Product description Previous page Next page Previous page Next page Previous page Next page Previous page Next page Previous page Next page Q: Why can't Bluetooth connect? A: 1. Make sure your phone’s Bluetooth isn’t connected to other devices. 2. Go to your phone settings, search “LOKITHOR,” and check if Bluetooth permission is enabled. 3. Please contact after sales. Q: How can I find out my battery type and CCA rating? A: You can check the battery label, visit the manufacturer’s official website, or contact the manufacturer directly. Q: Can it test all types of 6V, 12V, 24V batteries? A: It only tests 12V lead-acid batteries, including regular flooded, AGM flat plate, AGM spiral, GEL, and EFB. Q: Why are there differences in the test results at the same time? A: Slight variations in test results are normal and can 【Smart Jump Starter and Battery Tester】This jump starter delivers up to 2500A peak starting current to start 12V vehicles (up to 8.5L gas / 6.5L diesel). Works as a car battery jump starter and battery tester, supporting motorcycles, trucks, RVs, SUVs, boats & more—helping extend battery life and reduce repair costs.; 【User-Friendly Battery Tool】Features built-in Blueto