The Tridonic EM 06 ST G2 (selftest) is one of the latest emergency inverters on the market. Designed to be used with linear and compact fluorescent lamps 18-55w with a 6 cell NiCad battery. Can be used with non dimmable and dimmable setups. See link for all product features Tridonic EM 06 SELFTEST G2 (NiCad) Manufacturer part number 89800207 Replaced the  89899682