smart car power inverter/portable power inverter/automotive mini inverter, power for laptop, VCR,MP3,MP4,camera,cell phone,etc smart car power inverter SPI120M instantly ... voltage AC household power. SPI-120M is a smart power inverter,it can indicate the output power or input voltage.If ... is very popular to use in car. User can power for laptop, VCR,MP3,MP4,camera,cell phoneetc. Features 1. 12VDC ...