{"product_id":"tcs-2006-ka5-p-keep-alive","title":"TCS 2006 | KA5-P Keep Alive Capacitor with Harness | DCC Accessory","description":"\u003cdiv class=\"sectionContent\"\u003e\n  \u003cp\u003eThe TCS 2006 KA5-P is a Keep-Alive® energy storage device designed to supply continuous power to your DCC decoder when a locomotive hits dirty track, a frog, or any other spot where electrical pickup falters. The KA5 packs five supercapacitors for higher storage capacity and peak voltage than a KA3 or KA4, keeping your loco moving and headlights lit for roughly 6–20 seconds of power interruption.\u003c\/p\u003e\n  \u003cp\u003eThe \"-P\" version ships pre-wired with a 2-pin JST plug and matching socket, making it a drop-in upgrade for compatible TCS decoders without any soldering.\u003c\/p\u003e\n  \u003cp\u003eShop more \u003ca href=\"https:\/\/squeakystrains.com\/collections\/dcc-accessories\" target=\"_blank\"\u003eDCC Accessories\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakystrains.com\/collections\/train-control-systems\" target=\"_blank\"\u003eTrain Control Systems products\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003cul\u003e\n    \u003cli\u003eFive supercapacitors for maximum storage capacity and peak charging voltage\u003c\/li\u003e\n    \u003cli\u003ePre-wired with a 2-pin JST plug and mating socket — no soldering required\u003c\/li\u003e\n    \u003cli\u003eKeeps DCC locos running 6–20 seconds through dead spots and dirty track\u003c\/li\u003e\n    \u003cli\u003eKeeps headlights, sound, and motor alive during power interruptions\u003c\/li\u003e\n    \u003cli\u003eWorks with any TCS decoder equipped with a Keep-Alive socket (and most other manufacturers' decoders with appropriate wiring)\u003c\/li\u003e\n    \u003cli\u003eCompact form factor fits most HO scale locomotives; can also be used in larger scales\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eMore Information\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eTrain Control Systems (TCS)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eItem Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e2006 (KA5-P)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eDCC Keep-Alive Capacitor\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e2-pin JST plug with matching socket (pre-wired)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCapacitor Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e5 supercapacitors\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eRun-On Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eApprox. 6–20 seconds for an HO-scale locomotive\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eScale Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eAny scale with a compatible DCC decoder\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eFAQ\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003cp\u003e\u003cstrong\u003eWhat does a Keep-Alive actually do?\u003c\/strong\u003e\u003cbr\u003eIt stores electrical energy in supercapacitors and releases it to your decoder whenever track power drops out, keeping the loco moving, lights on, and sound playing through short interruptions.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eHow is the KA5 different from the KA3 or KA4?\u003c\/strong\u003e\u003cbr\u003eThe KA5 adds a fifth supercapacitor, giving it higher peak voltage and longer run-on time than the older three- and four-cap versions.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eDo I need to solder this?\u003c\/strong\u003e\u003cbr\u003eNo. The -P version comes pre-wired with a 2-pin JST plug and socket. Plug it into a compatible TCS decoder and you're done.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eWill it fit in my locomotive?\u003c\/strong\u003e\u003cbr\u003eThe KA5 is a compact rectangular board designed to fit most HO locomotives. For tighter installations, consider one of TCS's smaller Keep-Alive models.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Train Control Systems","offers":[{"title":"Default Title","offer_id":48297582461183,"sku":"TCS-2006","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0443\/5968\/0161\/files\/image_46a54b56-7e05-4bb8-b304-6b53e13ab893.png?v=1773752252","url":"https:\/\/squeakystrains.com\/products\/tcs-2006-ka5-p-keep-alive","provider":"Squeaky's Trains \u0026 Things","version":"1.0","type":"link"}