TCS 1669 | KA5 Keep Alive - 5 Supercapacitor Stay-Alive Device for DCC Decoders | Any Scale

Keep your DCC-equipped locomotives running smoothly through dirty track, turnouts, and dead frogs with the TCS 1669 KA5 Keep Alive. This compact stay-alive device packs five supercapacitors to store backup power, providing approximately 6 to 20 seconds of uninterrupted operation when track power is lost. It's a must-have upgrade for any decoder-equipped engine that stalls on problematic trackwork. Looking for more DCC accessories? Browse our DCC Accessories collection. Features Five supercapacitors provide 6-20 seconds of backup power (depending on locomotive and motor efficiency) Eliminates stalling on dirty track, turnouts, dead frogs, and problematic trackwork Compact size: 1.325" x 0.45" x 0.347" (33.45mm x 11.45mm x 8.80mm) fits inside most HO and larger locomotives Simple two-wire installation: Blue and Black w/ White Stripe leads connect directly to any Keep Alive-ready decoder Compatible with all TCS decoders and any other Keep Alive-ready decoders Input voltage: 12-16V DC Scale: Any Scale works with all gauges and scales More Information Brand Train Control Systems (TCS) Item Number 1669 Scale Any Scale Product Type Keep Alive / Stay-Alive Device Supercapacitors 5 Dimensions 1.325" x 0.45" x 0.347" Input Voltage 12-16V DC Wiring Blue and Black w/ White Stripe (2-wire) Condition New UPC 879508008180 FAQ How long will the KA5 keep my locomotive running without track power? The KA5 provides approximately 6 to 20 seconds of backup power with headlights on, depending on the locomotive's motor efficiency and power draw. What decoders is this compatible with? The KA5 works with all TCS decoders and any other Keep Alive-ready decoders from other manufacturers. Check your decoder's documentation for a Keep Alive connection point. Will this fit inside my locomotive? At 1.325" x 0.45" x 0.347", the KA5 fits inside most HO scale and larger locomotives. Measure your available space before ordering. N scale installations may require creative placement. Is soldering required for installation? Yes. You will need to solder the two included wires (Blue and Black w/ White Stripe) to the Keep Alive pads on your decoder. Basic soldering skills are required.