1、Multifunction: Integrated solar charging, AC supplementary charging, AC output and other functions to meet different needs. Can be connected to solar panels (not included), supports 15‑18V solar charging. 2、Powerful Protections: Portable power bank can prevent backflow and prevent leakage, with load short circuit protection (millisecond protection), overcharge, overdischarge automatic protection, safer to use. 3、Wide Range of Uses: Emergency power station with small size while large capacity, can charge mobile phones, tablets, notebooks, and can also power other car electrical appliances, such as car vacuum cleaners. 4、Built in Battery: Portable power pack adopts high quality lithium polymer battery with 40800mAh large capacity, ensure high work efficiency and long service life, highly durable and reliabel in use. 5、With Lighting: The multifunctional mobile portable emergency energy storage power supply is designed with LED lights to provide safety for your adventure activities outdoors or in low light places.