{"product_id":"ctek-indicator-eyelet-m8-8-mm-battery-led-charge-indicator-with-three-color-led-permanent-on-vehicle-connection","title":"CTEK Indicator Eyelet M8 8 mm — Battery LED Charge Indicator with Three‑Colour LED, Permanent On‑Vehicle Connection","description":"\u003cb\u003eCTEK Indicator Eyelet M8 is a permanent 8 mm eyelet connector with a three‑color LED that displays a 12V lead‑acid battery’s approximate charge level at a glance.\u003c\/b\u003e\n\n\u003cp\u003eThis compact accessory combines a secure, hardwired eyelet with a simple traffic‑light LED indicator so you can monitor batteries that are hard to reach or used across multiple vehicles. The eyelet fits 8 mm posts and works with all 12V lead‑acid chemistries and CTEK chargers up to 10 A, providing a tidy permanent fit that stays connected and protected by a snap‑on end cap when not in use. Built and tested in Sweden, the cable and connector are engineered for long life and straightforward use.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the LED indicator tell me the battery condition?\u003c\/h3\u003e\n\u003cp\u003eThe indicator uses three colored LEDs to show approximate state of charge so you can decide whether charging is needed. Colors are intuitive and designed for quick decisions without meters or apps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRed = less than ~60% charge (charge now).\u003c\/li\u003e\n  \u003cli\u003eYellow = roughly 60–80% charge (charge soon).\u003c\/li\u003e\n  \u003cli\u003eGreen = above ~80% charge (charging not required).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I leave the CTEK Indicator Eyelet M8 permanently attached?\u003c\/h3\u003e\n\u003cp\u003eYes — it’s intended for a permanent, semi‑permanent or long‑term connection to batteries that are difficult to access. The eyelet design and included end cap protect the connection when not in use and permit on‑vehicle mounting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e8 mm eyelet for secure bolted attachment to battery posts.\u003c\/li\u003e\n  \u003cli\u003eDurable, flexible cable tested for repeated use and exposure.\u003c\/li\u003e\n  \u003cli\u003eSnap‑on protective cap keeps terminals clean and safe between uses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this work with my charger and battery type?\u003c\/h3\u003e\n\u003cp\u003eThe Indicator Eyelet M8 is compatible with all 12V lead‑acid battery types and works with CTEK chargers rated up to 10 A. It is not a charger itself — it simply displays battery charge level and provides the CTEK CONNECT interface for a quick connection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with start‑stop, AGM, MF, GEL and conventional 12V lead‑acid batteries.\u003c\/li\u003e\n  \u003cli\u003eDesigned for use with CTEK chargers up to 10 A via the CONNECT system.\u003c\/li\u003e\n  \u003cli\u003eNot a replacement for a charger — use it alongside a compatible CTEK charger.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and serviceable is the indicator eyelet?\u003c\/h3\u003e\n\u003cp\u003eCTEK designed the eyelet and cable for longevity with flexible, hard‑wearing materials tested in Sweden. The unit is covered by CTEK’s limited warranty; retain your purchase receipt and consult local warranty terms for full details.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSwedish design and testing for rugged use and cable flexibility.\u003c\/li\u003e\n  \u003cli\u003eSealed LED housing and protective end cap to reduce corrosion risk.\u003c\/li\u003e\n  \u003cli\u003eSimple installation; repair or opening by unauthorized parties may void warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The CTEK Indicator Eyelet M8 is ideal for vehicle owners, fleet operators, seasonal vehicle caretakers and anyone who needs a tidy, permanent battery access point with a clear visual charge status. It’s particularly useful for motorcycles, boats, caravans, classic cars and vehicles with hard‑to‑reach battery terminals where a quick health check without tools is valuable.\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: Is the indicator compatible with my 12V battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The CTEK M8 indicator works with all 12V lead‑acid battery types, including AGM, GEL and conventional.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I connect a charger directly to the eyelet?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Use the CTEK CONNECT interface or a compatible 8 mm charger lead; chargers up to 10 A are supported.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CTEK","offers":[{"title":"Default Title","offer_id":55163124973911,"sku":"B002MT8S7E","price":32.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/ctek-indicator-eyelet-m8-front-view.jpg?v=1790341568","url":"https:\/\/britishgarage.co.uk\/products\/ctek-indicator-eyelet-m8-8-mm-battery-led-charge-indicator-with-three-color-led-permanent-on-vehicle-connection","provider":"British Garage","version":"1.0","type":"link"}