{"product_id":"joinfworld-1-2-both-off-battery-disconnect-switch-asw-a701s-12-48v-waterproof-dual-battery-isolator-200a-continuous","title":"Joinfworld 1-2-BOTH-OFF Battery Disconnect Switch ASW-A701S — 12–48V Waterproof Dual Battery Isolator, 200A Continuous","description":"\u003cp\u003e\u003cstrong\u003eJoinfworld ASW-A701S is a heavy-duty 1-2-BOTH-OFF battery disconnect switch that safely isolates one or two batteries in 12–48V systems for boats, RVs, cars, ATVs and battery banks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, waterproof battery isolator lets you choose battery 1, battery 2, both, or off to prevent parasitic drain and simplify system control. Built with durable ABS housing and copper studs, the ASW-A701S handles continuous heavy currents and delivers reliable mechanical switching where space and safety matter. It’s designed for marine and mobile power environments where corrosion resistance and secure mounting are important.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this switch protect batteries when a vehicle or boat is not in use?\u003c\/h3\u003e\n\u003cp\u003eTurning the selector to OFF physically disconnects the battery circuits, stopping parasitic draws from accessories and protecting batteries from slow discharge. That reduces deep discharge cycles and extends time between charges without complex wiring changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePhysical disconnect prevents accessory and control module drain\u003c\/li\u003e\n  \u003cli\u003eFour positions (1, 2, BOTH, OFF) for flexible isolation\u003c\/li\u003e\n  \u003cli\u003eWaterproof housing reduces corrosion that can cause shorts\u003c\/li\u003e\n  \u003cli\u003eRear cover insulates terminals to avoid accidental grounding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat current and voltage limits does the ASW-A701S support?\u003c\/h3\u003e\n\u003cp\u003eThe switch works across DC systems from 12V up to 48V, accommodating a wide range of mobile power setups. Current capacity is specified for different conditions so you can match it to your system’s peak and continuous loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated 200A continuous at 12VDC for ongoing loads\u003c\/li\u003e\n  \u003cli\u003e300A intermittent at 12VDC for higher short-term demands\u003c\/li\u003e\n  \u003cli\u003e1000A momentary rating for inrush or starter currents\u003c\/li\u003e\n  \u003cli\u003eStud size: three M8 (5\/16\") terminals with nuts and washers included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and weatherproof is the unit for marine and off-road use?\u003c\/h3\u003e\n\u003cp\u003eThe ASW-A701S uses an ABS plastic body plus copper terminal studs and stainless fasteners to withstand wet and salty conditions. A sealed, insulated rear cover and supplied mounting hardware help keep electrical contacts protected and reduce the risk of corrosion or accidental shorting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eABS housing resists impact and UV exposure\u003c\/li\u003e\n  \u003cli\u003eCopper studs deliver low-resistance connections\u003c\/li\u003e\n  \u003cli\u003eStainless mounting screws and caps included for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eRear terminal cover insulates against shorts in damp environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and use this dual-battery disconnect switch?\u003c\/h3\u003e\n\u003cp\u003eMount the switch in a dry, accessible spot using the supplied screws, route battery cables to the three M8 studs, and secure with the supplied nuts and washers. Operate the knob to pick battery 1, battery 2, both, or off—no additional electronics are required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes 1 switch, 4 stainless mounting screws and protective caps\u003c\/li\u003e\n  \u003cli\u003eMount on a flat panel with access to both batteries and load wiring\u003c\/li\u003e\n  \u003cli\u003eUse appropriately sized cable lugs and protective boot for terminals\u003c\/li\u003e\n  \u003cli\u003eCan be locked together with other switches for multi-switch installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Joinfworld ASW-A701S is aimed at boat owners, RV and camper owners, off-road drivers, and anyone who manages two-battery systems or battery banks and needs a simple, reliable way to isolate power. It suits users who require a rugged, waterproof mechanical isolator rated for substantial continuous and momentary currents, and those who prefer a straightforward manual control to prevent battery drain and simplify maintenance.\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 the switch handle starter motor inrush currents?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it has a 1000A momentary rating to tolerate high inrush currents like starters or winches.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this switch suitable for 24V and 48V systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the ASW-A701S supports DC systems from 12V up to 48V for various mobile setups.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Joinfworld","offers":[{"title":"Default Title","offer_id":55161871368535,"sku":"B0CF529DD2","price":29.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/joinfworld-front-panel-switch.jpg?v=1790333129","url":"https:\/\/britishgarage.co.uk\/products\/joinfworld-1-2-both-off-battery-disconnect-switch-asw-a701s-12-48v-waterproof-dual-battery-isolator-200a-continuous","provider":"British Garage","version":"1.0","type":"link"}