Zimo stay alive kit for DCC decoders. Will need to have two wires from the decoder soldered onto the circuit board and the capacitors soldered to the existing wires.
Zimo STACO3A Stay Alive
Zimo SUPERCAP68 Stay-Alive (Energy Storage) Super-Capacitor 6800uF 16V
Zimo STACO1 Stay Alive Controller 3 x 0.3F Caps
Zimo STACO4 Stay Alive
Zimo STACO3B Stay Alive
Zimo STACO1 Stay Alive