A portable emergency power source. The Clarke CSS-1 has a built-in 260psi compressor for inflating car/bike tyres, air beds etc, an adjustable 15W spotlight & integral 3 LED work light when working in the dark, a 2.5m male to male DC power lead for in-car charging & trickle charge function for flat batteries (peak 300 Amp), an integral USB (Universal Serial Bus) port for powering laptops, music systems, electrical appliances etc & a 12V DC adaptor for powering mobile phones, TV’s, electrical power tools etc. Other features include: