PowerBlock 500, a Gasless Battery Generator that provides portable power when you need it most! The PowerBlock 500 is lightweight and compact, making it great for on-the-go, outdoor recreation, camping and preparing for emergencies. The PowerBlock 500 includes a 478Wh Lithium-Ion battery and 500W Pure Sine Wave Inverter that can power a variety of household devices from cellphones, CPAPs to mid-size refrigerators! You can charge or power up to 7 devices at once with the multiple port options available: 3 AC Outlets, 2 USB-A Ports, 1 USB-C Port and a 12V DC socket. Recharge your PowerBlock 500 three ways: Using AC power or DC power using the built-in MPPT Controller and Solar Panels or recharge with your car via the MPPT Controller and CLA Plug (CLA Plug not included). The PowerBlock 500 is UL2743 safety certified and has built-in protection features to ensure safe and efficient operation.