POWERFUL PORTABLE JUMP STARTER: Reliably jumpstart 12V batteries for cars, trucks, motorcycles, lawnmowers, SUVs, snowmobiles, boats, and more—even in extreme temperatures (-4°F to 140°F). With a high-performance 10,000mAh lithium battery capable of 2000+ charge cycles, the Coseng J26 supports up to 6.0L diesel and all gasoline engines, ensuring dependable power for every emergency.

SMART JUMPER CABLES WITH 10 SAFETY PROTECTIONS: Including reverse polarity, anti-spark, short-circuit, and reverse charging prevention—with real-time visual alerts. A unique 3-second manual override button activates DC mode when automatic detection fails, ensuring safe and foolproof use for car owners and professionals alike.

FAST & PRECISE AIR PUMP: Built-in 150PSI air compressor quickly inflates car, motorcycle, and bicycle tires with precise digital pressure monitoring. It offers 4 preset inflation modes and 3 pressure units (PSI, KPa, Bar). Simply set your desired tire pressure, and the portable air pump inflator automatically stops at the preset value, ensuring convenient and accurate inflation during travel and outdoor adventures.

500-LUMEN LED LIGHT WITH 3 MODES: This portable car starter features a 500-lumen LED lamp that can illuminate continuously for up to 72 hours. It offers three lighting modes (flashlight / SOS white strobe / red-blue strobe) to handle different emergencies and can serve as a warning triangle for enhanced road safety.

MULTIFUNCTIONAL PORTABLE POWER BANK: More than just a jump starter, the Coseng J26 doubles as a reliable power bank, conveniently charging smartphones, tablets, and portable devices—keeping you powered during camping, hiking, and all outdoor activities.

USAGE TIPS & RELIABLE WARRANTY: Fully charge your Coseng J26 upon initial receipt, even if the indicator shows a full battery. For optimal results, jumpstart your vehicle when battery capacity exceeds 75%, and recharge the jump starter every 2-3 months to maximize battery lifespan. The J26 includes a 2-year free warranty, lifetime technical support, and dedicated 24/7 customer service.