For small scale Zimo decoders without unlimited or high-capacity direct stay alive connections (e.g. MS480/490/500/590 and MN150/170/180/300).
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 STACO1 Stay Alive
Zimo STACO3A Stay Alive
Zimo STACO2A Stay Alive