Tridonic EM 36A Basic Obsolete, pls call for alternatives

The Tridonic EM 36A Basic is an emergency lighting supply unit for linear fluorescent lamps from 18 to 58 Watts. Properties of Tridonic EM Basic Ballasts: - 3 hour rated duration - Can be used with all electronic ballasts, both dimmable and non-dimmable - Suitable for use in combination with magnetic ballasts - 5 pole technology 4 pole lamp changeover and delayed power switching to the ballast - Optimised AC output voltage for TC-DD and TC-L lamps - Optimised DC output for T8 lamps - Green charge status display LED - Checking the emergency lighting function by interruption the unswitched phase - Optional test switch - Battery connection - Polarity reversal protection for battery