Peak Current and Conversion Efficiency: Boasting a peak current of over 1200 A and a high conversion rate of more than 90%, this car jump starter ensures quick and efficient charging and starting capabilities for your vehicle, even in urgent situations. Comprehensive Certifications for Safety and Quality: This device is certified by multiple international standards including CE, FCC, SDS, MSDS, UL, RoHS, PSE, and CCC, ensuring top-notch safety and reliability for every use in any vehicle. Advanced Features for Emergency Situations: Equipped with USB ports, lighting options including a warning light and SOS lighting, this power bank is designed to assist in a variety of roadside emergencies, enhancing your safety and convenience. Robust Battery Capacity and Fast Charging: With a battery capacity ranging from 5000 to 8000 mAh and support for one-way fast charging, this power bank provides a quick power boost to your vehicle's battery, reducing downtime significantly. Lightweight and Portable Design: Weighing only 1.2 kg and designed for easy handling, this car jump starter is ideal for carrying in your vehicle for everyday use or in unexpected emergency situations, ensuring you're always prepared. Description: Ensure optimal performance and longevity of your 4-in-1 Car Starting Device by following these guidelines: 1. Upon receiving the product, activate the flashlight to discharge the battery, then charge for over 4 hours before using it to start your car. This initial step is crucial as it conditions the battery, enhancing the product's lifespan. 2. Avoid discharging and charging simultaneously to prevent damage. 3. Regularly charge the device every three months; failure to maintain charge can result in startup failures. 4. Use the power bank feature sparingly for charging phones or tablets, as the efficiency is approximately 50%. 5. The charging and discharging rates increase during the final 30% of the battery's capacity. This is a normal characteristic of high-