{"product_id":"havis-chargeguard-select-cg-x-12v-programmable-timer-switch-alternator-voltage-sensing-battery-protection","title":"Havis ChargeGuard Select CG.X 12V Programmable Timer Switch, Alternator\/Voltage Sensing \u0026 Battery Protection","description":"\u003cp\u003e\u003cstrong\u003eThe Havis ChargeGuard Select CG.X is a programmable 12V vehicle timer switch that automatically powers mobile electronics on engine start and prevents battery drain by shutting them off after a selectable delay.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe ChargeGuard Select is a compact, self-contained power-management module engineered for vehicles using two-way radios, mobile data terminals, laptops and other mobile computing devices. It senses ignition or alternator activity and switches accessory power accordingly, with multiple sensing modes and a configurable timeout so equipment remains available while preventing unwanted battery discharge.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the ChargeGuard Select detect when to turn equipment on?\u003c\/h3\u003e\n\u003cp\u003eThe unit offers several sensing modes so it can adapt to different vehicle electrical systems. It can automatically detect alternator activity, monitor voltage rise, or respond directly to ignition input, providing flexibility for varied installations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomatic alternator detection mode for standard installations\u003c\/li\u003e\n  \u003cli\u003eVoltage rise (DC) sensing when alternator signature is used\u003c\/li\u003e\n  \u003cli\u003eDirect ignition (HL) input for wired ignition switching\u003c\/li\u003e\n  \u003cli\u003eIsolated alternator detection option to avoid false triggers from shared circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat timeout and protection features does it include?\u003c\/h3\u003e\n\u003cp\u003eThe ChargeGuard Select uses a programmable timer to keep devices powered for a chosen interval after the engine is switched off. It ships with a two-hour default delay, but installers can set anything from five seconds up to indefinitely to match operational needs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSelectable delay from 5 seconds to infinite standby\u003c\/li\u003e\n  \u003cli\u003ePre-programmed two-hour default for typical use\u003c\/li\u003e\n  \u003cli\u003eBuilt-in LED indicators for under- and over-voltage conditions\u003c\/li\u003e\n  \u003cli\u003eProvides circuit protection to guard against voltage anomalies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is the ChargeGuard Select installed and powered?\u003c\/h3\u003e\n\u003cp\u003eDesigned for straightforward wiring, the module connects directly to a vehicle battery or ignition circuit. Its compact form allows flexible mounting locations, and the self-contained design reduces the need for external protection components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHardwired to battery or ignition switch for reliable power sensing\u003c\/li\u003e\n  \u003cli\u003eCompact enclosure fits in tight dash or equipment bays\u003c\/li\u003e\n  \u003cli\u003eNo external relay required for most setups—self-contained circuit protection\u003c\/li\u003e\n  \u003cli\u003eLED feedback simplifies troubleshooting during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat operational benefits can fleets and technicians expect?\u003c\/h3\u003e\n\u003cp\u003eBy managing accessory power automatically, the ChargeGuard Select helps reduce dead battery incidents and lowers maintenance related to premature battery replacement. It also keeps mission-critical equipment available during short stops and powers down devices to prevent overnight drain.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMitigates accidental battery depletion from unattended accessories\u003c\/li\u003e\n  \u003cli\u003eExtends uptime for mobile radios and computing devices\u003c\/li\u003e\n  \u003cli\u003eLowers service costs tied to battery failures and equipment downtime\u003c\/li\u003e\n  \u003cli\u003eClear LED warnings help identify electrical issues early\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Havis ChargeGuard Select is suited for fleet managers, first responders, telecom technicians and anyone who installs or operates mobile electronics in vehicles. It’s ideal when you need reliable automatic power control, flexible sensing options, and a programmable timeout to balance equipment availability with battery preservation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I change the default 2-hour delay?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the timeout is programmable; you can set it from 5 seconds up to infinite, depending on operational needs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will it prevent my vehicle battery from draining?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It helps prevent drain by timing accessory shutdown and providing under\/over-voltage indicators, but proper installation and battery condition remain important.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Havis","offers":[{"title":"Default Title","offer_id":48081471045790,"sku":"B00B62LFNM","price":141.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/havis-chargeguard-select-front.jpg?v=1785806172","url":"https:\/\/northtrailauto.ca\/products\/havis-chargeguard-select-cg-x-12v-programmable-timer-switch-alternator-voltage-sensing-battery-protection","provider":"North Trail Auto","version":"1.0","type":"link"}