{"product_id":"battery-tender-5a-selectable-12v-24v-charger-screw-mount-onboard-weather-resistant-with-auto-float","title":"Battery Tender 5A Selectable 12V\/24V Charger — Screw-Mount Onboard Weather-Resistant with Auto Float","description":"\u003cp\u003e\u003cstrong\u003eThe Battery Tender 5 AMP Selectable charger is a compact, screw-mountable 12V\/24V battery charger and maintainer that delivers selectable 5A or 2.5A charging and automatic float maintenance for cars, boats, and industrial equipment.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis weather-resistant unit from Battery Tender is built for on-board installation and prolonged exposure in marine and outdoor environments. It accepts both 12V and 24V batteries and lets you choose a 5 amp or 2.5 amp charge rate depending on battery size and application. The charger finishes with an automatic float stage to preserve battery life without overcharging, while built-in protections help ensure safe connections and reliable operation on boats, ATVs, industrial vehicles, and other equipment.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this charger fit on a boat or vehicle?\u003c\/h3\u003e\n\u003cp\u003eThe case is screw-mountable so you can attach it to a bulkhead, under a dash, or inside an equipment bay. Its compact footprint and integrated mounting pattern minimize installation time and help keep wiring tidy and protected.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-drilled mounting holes for secure screw attachment.\u003c\/li\u003e\n  \u003cli\u003eCompact housing designed for tight spaces.\u003c\/li\u003e\n  \u003cli\u003eWeather-resistant enclosure suited to marine and outdoor use.\u003c\/li\u003e\n  \u003cli\u003eWorks with standard battery cables and ring terminals for permanent installs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety features protect my battery and electrical system?\u003c\/h3\u003e\n\u003cp\u003eSafety-focused design reduces installation risk and prevents common charging mistakes. The charger is spark-proof on lead connection and detects reverse polarity so power is only delivered when connections are correct. It switches to float mode automatically when a full charge is reached.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpark-proof lead connection to avoid ignition risks during hook-up.\u003c\/li\u003e\n  \u003cli\u003eReverse polarity detection prevents delivering charge with incorrect wiring.\u003c\/li\u003e\n  \u003cli\u003eAutomatic float maintenance to maintain voltage without overcharging.\u003c\/li\u003e\n  \u003cli\u003eMulti-stage charging logic tailored to standard lead-acid battery chemistry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich batteries and situations is the 5A selectable charger best for?\u003c\/h3\u003e\n\u003cp\u003eThis model suits a wide range of lead-acid battery types used in automotive, marine and industrial contexts. Use the 5A setting for larger batteries and the 2.5A setting for smaller batteries or slow-maintenance scenarios. It’s intended for routine charging, onboard maintenance, and seasonal storage support rather than rapid emergency jump-starting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e12V and 24V lead-acid batteries (including flooded, AGM, and gel variants).\u003c\/li\u003e\n  \u003cli\u003eOn-board installations on boats, trailers, industrial machines, and off-road vehicles.\u003c\/li\u003e\n  \u003cli\u003eSeasonal battery maintenance during long storage periods.\u003c\/li\u003e\n  \u003cli\u003eDevices needing reliable float maintenance after a full charge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Battery Tender 5 AMP Selectable charger is aimed at boat owners, fleet managers, and equipment operators who want a durable, permanently mounted charging solution. It’s a fit for anyone who needs an installer-friendly, weather-resistant unit that provides selectable current, automatic float maintenance, and basic electrical protections for everyday charging and long-term battery care.\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 this charger handle both 12V and 24V batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The unit supports selectable 12V or 24V operation and auto-manages charging stages for compatible lead-acid batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the charger suitable for permanent on-board installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is screw-mountable, weather-resistant, and designed for fixed installations on boats and vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Battery Tender","offers":[{"title":"Default Title","offer_id":55171176235351,"sku":"B07YNB2JH7","price":184.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/battery-tender-front-view-mounted.jpg?v=1790440061","url":"https:\/\/britishgarage.co.uk\/products\/battery-tender-5a-selectable-12v-24v-charger-screw-mount-onboard-weather-resistant-with-auto-float","provider":"British Garage","version":"1.0","type":"link"}