Existalite Central Battery Modules.

A range of Existalite Central Battery Modules that havebeen designed to efficiently operate 4 to 100 watt 4-pin fluorescent lamps, from DC or AC/DC 50 volt or 110 volt central battery systems.The compactXK.CB inverter moduleis for use with switch start ballasts.Existalite Central Battery Modulesarecontrol gearcomponents.

Existalite Central Battery Modules. Continued

Wattages; 50w and 100 watt. 
Dimensions; Height 29mm, width 43mm, length 155mm (XK) and 230mm (XT).