Sealey roadstart emergency power pack 12 24v 3200 1600 peak amps sealey rs105 composite case with integral battery clip storage and carry handle twin batteries connected in either parallel or series to suit the output voltage give high peak and cranking currents led battery condition indicators test button gives indication of battery condition fitted with 12volt power socket that will accept any 12volt device with a cigarette lighter plug supplied with mains charger and double plug cab