LOKITHOR JT400 Jump Starter and Battery Tester, 2500A Car Battery Booster, Portable 12V Jump Box for Up to 8.5L Gas or 6.5L Diesel Engines, 100-2000 CCA Load Capacity Automotive Load Tester

Specifications

• 【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.