{"product_id":"ctek-mus-4-3-lithium-lead-acid-smart-battery-charger-tender-ctek-eng-motorsport","title":"CTEK MUS 4.3 Lithium \u0026 Lead-Acid Smart Battery Charger \/ Tender","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eCTEK MUS 4.3 TEST \u0026amp; CHARGE\u003c\/strong\u003e is an advanced microprocessor-controlled battery charger, maintainer, and diagnostic tool designed for both \u003cstrong\u003elead-acid and LiFePO₄ lithium batteries\u003c\/strong\u003e. It automatically tests, charges, conditions, and maintains the battery, making it ideal for Corvettes and other performance vehicles that may sit for extended periods. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with \u003cstrong\u003elead-acid and LiFePO₄ lithium batteries\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupports WET, MF, Ca\/Ca, AGM, EFB, GEL, and LiFePO₄\u003c\/li\u003e\n\u003cli\u003eBattery capacity range from \u003cstrong\u003e1.2Ah to 110Ah\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntelligent \u003cstrong\u003e8-step charging process\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTests battery voltage, starting power, and alternator health\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRECOND Mode\u003c\/strong\u003e for deeply discharged and stratified batteries\u003c\/li\u003e\n\u003cli\u003eFLOAT\/PULSE modes for long-term battery maintenance\u003c\/li\u003e\n\u003cli\u003eSpark-free operation\u003c\/li\u003e\n\u003cli\u003eReverse-polarity protection\u003c\/li\u003e\n\u003cli\u003eClean charging voltage with no surges or spikes\u003c\/li\u003e\n\u003cli\u003eCharge without disconnecting the battery from the vehicle\u003c\/li\u003e\n\u003cli\u003e0.8A and 4.3A charging modes\u003c\/li\u003e\n\u003cli\u003eCold-weather “Snowflake” charging mode \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLithium \u0026amp; Lead-Acid Compatibility\u003c\/h3\u003e\n\u003cp\u003eUnlike battery maintainers designed around only one battery chemistry, the MUS 4.3 supports a wide range of traditional lead-acid batteries as well as \u003cstrong\u003eLiFePO₄ lithium-ion batteries\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis makes it especially useful for Corvette owners as battery technology changes between model years. The source specifically notes that \u003cstrong\u003e2027 C8 Corvettes are equipped with lithium batteries\u003c\/strong\u003e and states that GM training documentation recommends a charger when the vehicle sits for more than a week. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eIntelligent Charging \u0026amp; Maintenance\u003c\/h3\u003e\n\u003cp\u003eThe charger's \u003cstrong\u003e8-step charging system\u003c\/strong\u003e automatically evaluates battery condition before charging and maintaining it. For vehicles stored for extended periods, FLOAT\/PULSE maintenance helps keep the battery properly maintained without requiring constant attention.\u003c\/p\u003e\n\u003cp\u003eA dedicated RECOND mode is also available for recovering deeply discharged or stratified compatible batteries. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eBuilt-In Battery Diagnostics\u003c\/h3\u003e\n\u003cp\u003eIn addition to charging and maintaining the battery, the MUS 4.3 includes three testing programs that can evaluate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBattery voltage\u003c\/li\u003e\n\u003cli\u003eStarting power\u003c\/li\u003e\n\u003cli\u003eAlternator charging health\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis gives the charger additional diagnostic functionality beyond a traditional battery tender. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSafe Connect-and-Forget Operation\u003c\/h3\u003e\n\u003cp\u003eThe charger delivers clean power without voltage spikes or surges and incorporates \u003cstrong\u003espark-free operation and reverse-polarity protection\u003c\/strong\u003e. The battery can remain connected to the vehicle during charging, helping make routine battery maintenance simple and convenient. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cp\u003eSuitable for compatible \u003cstrong\u003e12V lead-acid and LiFePO₄ battery applications\u003c\/strong\u003e, including listed Corvette and Cadillac applications such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eC7 Corvette\u003c\/li\u003e\n\u003cli\u003eC8 Stingray\u003c\/li\u003e\n\u003cli\u003eC8 Z06\u003c\/li\u003e\n\u003cli\u003eC8 E-Ray\u003c\/li\u003e\n\u003cli\u003eC8 ZR1\u003c\/li\u003e\n\u003cli\u003eC8 ZR1X\u003c\/li\u003e\n\u003cli\u003eC8 Grand Sport \/ Grand Sport X\u003c\/li\u003e\n\u003cli\u003eCadillac CT5 Blackwing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways select the charging program appropriate for the battery chemistry installed in the vehicle. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003eCovered by the \u003cstrong\u003emanufacturer's warranty, if applicable\u003c\/strong\u003e, for the original purchaser. Warranty is non-transferable and subject to applicable terms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"CTEK","offers":[{"title":"Default Title","offer_id":53022599840056,"sku":"ctek40-658","price":124.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/7264\/9784\/files\/ctek40-658CTEK_Charger_Supports_lead-acid_WET_MF_Ca_Ca_AGM_EFB_GEL_and_lithium-ion_LiFePO_Main_Image.webp?v=1790314242","url":"https:\/\/engmotorsport.com\/es\/products\/ctek-mus-4-3-lithium-lead-acid-smart-battery-charger-tender-ctek-eng-motorsport","provider":"ENG Motorsport","version":"1.0","type":"link"}