What are portable power stations?

Cosmobattery portable power station is a portable rechargeable generator powered by batteries and can be charged by 3 methods: AC charge, solar charge and car charge. Cosmobattery portable power station has vehicle grade lithium batteries inside, with BMS(Battery Management System) and MPPT controller. Realtime data is shown on high definition LCD display. All products are certificated by CE, RoHS, UN38.8.