Key Features

• -Powerful Performance - This car battery jump starter is equipped with a 1750 Amp Peak current, can instantly start 12V vehicles up to 7.5-Liter gasoline or 5.5-Liter diesel engines.
• -Digital Cordless Air Compressor - Tire Inflator can provide maximum pressure of 150 PSI and airflow of 40L/Min, supports Tire-pressure detection, Preset values stopping and Unit-Switching (BAR/PSI). Only need 5 minutes to fully Inflating the 195/65/R15 car tire from 0 to 35 PSI.
• -Upgrade Fast Charging - Portable power bank with PD 60W USB-C power delivery input, the battery pack is fully charged in 40 minutes, 5 minutes of charging time are enough to start a car.
• -Safety and Smart - Built-in 10 safety protection technologies (over-charge, over-current, short-circuit, reverse-polarity, low-temp, high-temp, over-voltage, over-load, spark-proof, reverse-charge).
• -Unique Heat Dissipation Design - Based on the internal working principle of jump starter battery pack, 3 large heat dissipation outlets (2 sides + 1 bottom) are designed; improving the heat dissipation performance of JA400 by 75%, extending the continuous operation time by 30%, and the service life Improved by 50%.
• -More Than A Car Starter - With the USB-A(QC3.0 18W)/Type-C(PD 60W) output, the portable jump pack can readily charge smartphones, tablets, laptops, wearables and more. The lithium battery booster features three LED light modes: Normal, Strobe and SOS.
• -What You Get - JA400 jump starter, Jump starter clamps x1, Inflatable hose x1, Nozzle adapters x4, USB-C cable x1, Accessories Storage bag x1, Manual x1. If you have any after-sales questions, please feel free to contact us.
• -The Best Gift of 2026 - the JA400 is undoubtedly the best option for birthdays, Valentine's Day, Father's Day, Mother's Day, wedding anniversaries, Christmas, and New Year's gifts.