PORTABLE & POWERFUL BATTERY STARTER - Giatero jump starter battery pack can quickly jump start a dead car battery. With boosted 4000A peak current, the car battery jump starter can restart your 12V vehicles (Up to 9.0L gas/8.0L diesel engines) in seconds with a 45 high-rate lithium battery. Suitable for cars, trucks, motorcycles, SUV, ATV, UTV, dirt bike, snowmobile, boats, lawnmowers, trailer, RV, tractor and so on. Up to 50 jump starts on a single charge. COMPREHENSIVE SAFETY PROTECTION - This jump starter, with its Integrated Battery and Intelligent Clamps design, ensures complete insulation and safety. It boasts 10 types of protection, including spark-proof and reverse-polarity protection, ensuring protection against short circuits or sparks.