{"product_id":"ctek-cs-one-gen-2-battery-charger-40-704","title":"CTEK CS ONE Gen 2 Battery Charger | 8A 12V, Polarity-Free \u0026 Wi-Fi | CTEK40-704","description":"\u003cp\u003eThe CTEK CS ONE Gen 2 is an 8A smart 12V charger and maintainer designed to be as simple as possible to use. Its polarity-free clamps connect to either terminal without worrying about positive and negative, and its APTO adaptive charging technology automatically detects the battery and adapts the charge to any 12V lead-acid or LiFePO4 lithium type, including WET, Ca\/Ca, AGM, GEL, and EFB. Built-in Wi-Fi and Bluetooth connect to the CTEK app for remote monitoring, charge history, and control, and the charger includes RECOND, WAKE UP, and SUPPLY programs along with temperature compensation. It can be left safely connected for long-term maintenance charging. CTEK backs it with a 5-year warranty.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: 8A smart 12V charger and maintainer\u003c\/li\u003e\n\u003cli\u003ePolarity-free clamps connect to either terminal\u003c\/li\u003e\n\u003cli\u003eAPTO adaptive charging auto-detects and adapts to any 12V battery\u003c\/li\u003e\n\u003cli\u003eBattery types: WET, Ca\/Ca, AGM, GEL, EFB, and LiFePO4\u003c\/li\u003e\n\u003cli\u003eWi-Fi and Bluetooth app control, monitoring, and charge history\u003c\/li\u003e\n\u003cli\u003eRECOND, WAKE UP, and SUPPLY programs; temperature compensation\u003c\/li\u003e\n\u003cli\u003eSafe for long-term maintenance charging\u003c\/li\u003e\n\u003cli\u003eWarranty: 5 years\u003c\/li\u003e\n\u003cli\u003ePart number: CTEK40-704\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat makes the CS ONE Gen 2 easy to use?\u003c\/h5\u003e\u003cp\u003eIts polarity-free clamps connect to either terminal, and APTO adaptive charging automatically detects the battery and sets the right charge.\u003c\/p\u003e\u003ch5\u003eWhat batteries does it support?\u003c\/h5\u003e\u003cp\u003eAny 12V lead-acid or LiFePO4 lithium battery, including WET, Ca\/Ca, AGM, GEL, and EFB types.\u003c\/p\u003e\u003ch5\u003eDoes it have an app?\u003c\/h5\u003e\u003cp\u003eYes. Built-in Wi-Fi and Bluetooth connect to the CTEK app for remote monitoring, control, and charge history.\u003c\/p\u003e\u003ch5\u003eCan I leave it connected long term?\u003c\/h5\u003e\u003cp\u003eYes. It is safe for long-term maintenance charging and includes RECOND, WAKE UP, and SUPPLY programs.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What makes the CS ONE Gen 2 easy to use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Its polarity-free clamps connect to either terminal, and APTO adaptive charging automatically detects the battery and sets the right charge.\"}}, {\"@type\": \"Question\", \"name\": \"What batteries does it support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Any 12V lead-acid or LiFePO4 lithium battery, including WET, Ca\/Ca, AGM, GEL, and EFB types.\"}}, {\"@type\": \"Question\", \"name\": \"Does it have an app?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Built-in Wi-Fi and Bluetooth connect to the CTEK app for remote monitoring, control, and charge history.\"}}, {\"@type\": \"Question\", \"name\": \"Can I leave it connected long term?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. It is safe for long-term maintenance charging and includes RECOND, WAKE UP, and SUPPLY programs.\"}}]}\u003c\/script\u003e","brand":"CTEK Power Inc","offers":[{"title":"Default Title","offer_id":43609012011056,"sku":"FBKM_40-704","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/40-704_20CS_20ONE_20main.jpg?v=1789152609","url":"https:\/\/berryperformancesales.com\/products\/ctek-cs-one-gen-2-battery-charger-40-704","provider":"Berry Performance Sales","version":"1.0","type":"link"}