POWERFUL JUMP-STARTING PERFORMANCE: AstroAI MF12-V jump starter power back operates stably in temperatures ranging from -20°C to 50°C, making it ideal for motorcycles, cars, and most SUVs. It supports all petrol engines and diesel vehicles up to 12L. Featuring a powerful Boost mode, it can quickly jump-start batteries drained from long periods of inactivity, making it perfect for roadside emergencies. Please fully charge the unit right after receiving it. To maintain peak performance, we recommend recharging it every three months. The USB-C port supports up to 18W fast charging. Use a 5V/2A or 9V/2A adapter and cable to recharge the device
RELIABLE AND EFFICIENT TYRE INFLATION: AstroAI MF12-V car battery jump starter features a built-in 150 PSI high-pressure tyre inflator, offering 5 preset inflation modes and supporting seamless switching between 3 pressure units (PSI, kPa, and Bar). Independent testing confirms that this jump starter with air compressor can inflate a 195/65 R15 tyre from 30 PSI to 36 PSI in just 50 seconds. On a full charge, the device can inflate approximately 7.5 tyres of this size from 0 PSI to the standard 36 PSI
6-IN-1 MULTIFUNCTIONAL PORTABLE DESIGN: AstroAI MF12-V integrates 6 core functions, including emergency vehicle jump-starting, tyre inflation, flashlight illumination, SOS distress signalling, strobe warning lights, and a power bank (the USB-A port supports QC3.0). Equipped with a dedicated carrying strap, this car battery booster jump starter offers excellent portability and is the ideal companion for road trips and outdoor adventures
10-POINT COMPREHENSIVE SAFETY PROTECTION: AstroAI MF12-V car jump starter features 10 advanced safety protections, including reverse polarity, overcurrent, overcharge, over-discharge, high/low temperature, reverse connection, overvoltage, overload, short circuit and spark-proof protection. It ensures complete safety for you and your vehicle at all times and in all places
CLEAR & INTUITIVE LARGE DIGITAL SCREEN: Features a sunlight-readable LED display for clear tyre pressure readings, even in direct strong outdoor sunlight, avoiding glare. The smart dual-readout screen shows real-time and preset target pressure simultaneously for easy monitoring. Inflation stops automatically at the preset pressure, with no supervision required and no risk of over-inflation. With clear visibility, precision and hands-free operation, tyre inflation is safer, more convenient and worry-free
SUPERIOR USER EXPERIENCE: The AstroAI MF12-V features a highly efficient heat dissipation design that effectively prevents overheating during prolonged use. It delivers reliable long-term performance and ensures a long service life. It also operates with extremely low noise levels, delivering a smoother and more comfortable user experience
COMPREHENSIVE AND PRACTICAL ACCESSORY KIT: AstroAI MF12-V jump starter kit includes battery clamps, a shockproof, drop-resistant EVA storage case, a USB A‑C charging cable, four nozzle adapters and an extra-long 60 cm (24 inch) inflation hose. The EVA case protects the device and allows for easy storage. The long inflation hose offers great flexibility, avoiding awkward use when tyre valves are at the top or in tight spaces
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