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👉 Check Latest Price【START COMPLETELY DEAD BATTERIES 】The car battery jump starter has unmatched 4000A and FORCE START FUNCTION as a dual safeguard, and can instantly start your stranded vehicles (up to all gas/10L diesel) including completely drained or low-voltage batteries even at-4°F to 140°F. Durable extended jumper cables to reach varied battery terminals. Standby for about 24 months and support 1000+ recharge cycles. Start the car confidently every time, which is far easier than getting help from another car or roadside service. 【5+4+4 SMART DIGITAL TIRE INFLATOR WITH LED SCREEN 】 Smart preset & auto shut-off without repeated adjustment and check. Long press the middle power button to turn on the device. With unique turbocharged 35L/Min (150 PSI) lasting 30 minutes. Not only that, the portable car jump starter quickly fills a tire from30 to 36 PSI in just 30s. 5 inflation modes (MAX 150PSI, with auto parameter memorization), 4 optional units, and 4 nozzles for wide applications (cars, motorcycles, bikes, balls, etc). 【EMERGENCY LIGHT & PORTABLE POWER BANK 】Say goodbye to the old bulky jump starter battery pack! YL03 is more lightweight and portable. With upgraded charging technology, it fully charges itself and your phones, tablets, and laptops 5 times faster. In addition, 400 lumens bright LED lights and 3Modes lights (flashlight/SOS/Strobe) for different emergencies. 【UPGRADED THERMAL DESIGN】The unique honeycomb heat dissipation design enables the A30 car battery booster to obtain more powerful heat dissipation performance, so the safety performance of the A30 car starter is Enhanced by 30%, and its service life is promoted by 50%. 【AFTER-SALES SUPPORT】This jumper cables with battery pack are committed to providing you with a safer road trip.We provide an 18-month warranty and lifetime technical support.