{"product_id":"redarc-dc-to-dc-charger-25a-3-stage-9v-32v-in-12v-out-nom-mppt-regulator-dual-input","title":"REDARC BCDC1225D DC to DC Charger 25A 3-Stage - 9V-32V In, 12V Out, Dual Input MPPT Regulator","description":"\u003cp\u003eKeep your 12V auxiliary battery charged properly, wherever the track takes you. The REDARC BCDC1225D 25 Amp DC-DC charger delivers smart, multi-stage charging from your vehicle's alternator, engineered specifically for the demands of dual battery setups in 4WDs, camper trailers, and caravans.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with 12V and 24V vehicle systems\u003c\/strong\u003e - the BCDC1225D accepts input from either a 12V or 24V alternator and charges a 12V auxiliary battery, making it suited to both standard and heavy-vehicle electrical systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy you need a DC-DC charger, not just a battery isolator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eModern vehicles with smart alternators don't output a consistent voltage, which means a basic isolator often can't fully charge your auxiliary battery. The BCDC1225D solves this by using DC-DC conversion to deliver a genuine multi-stage charge regardless of what your alternator is doing - so your second battery actually reaches full charge, not just \"close enough.\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e25A charge rate\u003c\/strong\u003e - ideal for a 12V lithium or AGM auxiliary battery, suited to battery banks in the 75-200Ah range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V or 24V alternator input\u003c\/strong\u003e - charges a 12V auxiliary battery from either a 12V or 24V vehicle system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual input\u003c\/strong\u003e - charges from the vehicle's alternator or an unregulated solar panel via built-in MPPT solar regulator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with smart alternators\u003c\/strong\u003e - maintains full charging performance even with variable-voltage charging systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-stage charging algorithm\u003c\/strong\u003e - bulk, absorption and float stages for maximum battery life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuits AGM, GEL, Calcium, and Lithium (LiFePO4) batteries\u003c\/strong\u003e - select the correct profile via the onboard switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition-controlled\u003c\/strong\u003e - auto engages when the engine starts, no manual switching required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67 rated, sealed housing\u003c\/strong\u003e - built to handle vibration, dust and moisture in tough off-road conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTypical applications:\u003c\/strong\u003e\u003cbr\u003eDual battery systems in utes, 4WDs, camper trailers and caravans (including 24V commercial and heavy vehicles) running fridges, lighting, and other 12V accessories off-grid.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIn the box:\u003c\/strong\u003e BCDC1225D unit and wiring diagram (fuses and battery cabling sold separately based on your install length\/run).\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: this unit charges a 12V auxiliary battery only — it does not output 24V.\u003c\/em\u003e\u003c\/p\u003e","brand":"Redarc","offers":[{"title":"Default Title","offer_id":49565853352174,"sku":"BCDC1225D","price":499.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/4157\/7454\/files\/BCDC1225D.REDARC.01.jpg?v=1789124654","url":"https:\/\/livewireauto.com.au\/products\/redarc-dc-to-dc-charger-25a-3-stage-9v-32v-in-12v-out-nom-mppt-regulator-dual-input","provider":"LIVEWIRE AUTO","version":"1.0","type":"link"}