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Train-o-Matic Stayalive
Train-o-Matic Smark Power Pack (SPP) Stayalive
These come with a supercapacitor, giving several seconds of extra power to keep on running on dirty tracks or unreliable points.
There are two versions:
The white cable on both SPP and SPP-N is a data cable and you can control the length of the extra power with a CV setting, as well as the charging start time. As these Powerpacks charge quite fast, it is important that you set them at a different charging start moment, if you have more locomotive on your layout with these installed.
The SPP and SPP-N can connect to all ESU decoders with connection for a power pack, Lenz Gold with USP connection and any other decoder supporting the three-wire connection for an energy buffer.