Roypow 300A Portable Multifunction Car Booster Jump Starter Charger 6000 mah Power Bank for Cars, Cellphones and USB Port Electrical Devices - Glossy White Mini and Powerful Jump Starter: With high-rate battery outputting 300 Amp Peak Output Current, it can boost up to 3.0L gas/petrol engines vehicles for at least 15 times after a full charge. Lightweight 200g and durable construction, compact size that will easily fit in your pocket, backpack, or glove box for convenience. Smart Fast Charger: built in AI technology with 5V/2.1A output , it intelligently identifies your devices and provide the fastest charging way. The size of the gadget used as a power bank makes the recharging of your cellphone and other digital devices easy on the go. Multi-Protection design: With mistake-proof technology, built-in the latest exclusive circuitry to guarantee anti-misoperation, Short-circuit Protection, Spark-Proof Reverse Polarity Protection, which allows it to be safely connected to any battery. Safe and Reliable Li-polymer Battery: The pack is made of grade A cell with 6000mAh, up to 1000 cycles life, support the high efficiency of conversation and low power consumption, long storage time from 6-12 month after full charged. Multi-functional Device: built in LED lights with flashlight, strobe and SOS flashing modes for night and darkness use.