USB Charging Port: 5 VDC, 2.1 Amp.
• Compact design with cigarette lighter plug included.
• Load controlled fan.
• Low battery indicator alarm.
• Universal protection circuit: Battery, thermal, short circuit, overload, ground fault.
• Soft start technology.
• Cool surface technology.
• Power saving mode guarantee.
• Low interference technology
https://www.conermex.com.mx/hojas-tecnicas/inversores/sam-1000.pdf