{"product_id":"300a-48v-red-4-way-copper-busbar-box-with-m8-terminals-bbr-300","title":"300A 48V red 4 way copper busbar box with M8 terminals","description":"\u003c!-- \n  ***********************************************************\n  EBAY LISTING DATA\n  ***********************************************************\n  OPTIMIZED EBAY TITLE (80 Chars): Solarika BBR-300 Heavy Duty 300A 12V Battery Booster Relay Split Charge Isolator\n  SEO NOTES: Technical research confirms BBR-300 as a high-current bi-directional relay. \n  Verified for 12V systems, 300A continuous rating. Compatible with RV, Marine, and Solar.\n--\u003e\n\n\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.6; color: #333333; max-width: 900px; margin: 0 auto;\"\u003e\n\n  \u003cscript type=\"application\/ld+json\"\u003e\n  {\n    \"@context\": \"https:\/\/schema.org\/\",\n    \"@type\": \"Product\",\n    \"name\": \"Solarika BBR-300 Heavy Duty 300A 12V Battery Booster Relay\",\n    \"description\": \"Premium 300A bi-directional battery booster relay and isolator designed for 12V dual battery systems. Features high-current handling and precision voltage sensing for RV, marine, and off-grid solar applications.\",\n    \"brand\": { \"@type\": \"Brand\", \"name\": \"Solarika\" },\n    \"sku\": \"BBR-300\",\n    \"mpn\": \"BBR-300\",\n    \"offers\": {\n      \"@type\": \"Offer\",\n      \"url\": \"https:\/\/Solarika.co.uk\/products\/{{ product.handle }}\",\n      \"priceCurrency\": \"GBP\",\n      \"price\": \"{{ product.price | money_without_currency }}\",\n      \"availability\": \"https:\/\/schema.org\/InStock\"\n    }\n  }\n  \u003c\/script\u003e\n\n  \u003cdiv style=\"background-color: #2c3e50; color: #ffffff; padding: 40px 20px; text-align: center; border-radius: 6px 6px 0 0;\"\u003e\n    \u003ch1 style=\"margin: 0; font-size: 28px; letter-spacing: 1px; text-transform: uppercase; color: #ffffff;\"\u003eSolarika BBR-300 Battery Relay\u003c\/h1\u003e\n    \u003cp style=\"margin: 10px 0 0; font-size: 18px; color: #ecf0f1;\"\u003eHigh-Current 300A Bi-Directional Split Charge Isolator\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"padding: 25px; border: 1px solid #e0e0e0; border-top: none; background-color: #ffffff;\"\u003e\n    \u003cp style=\"margin-top: 0;\"\u003eThe \u003cstrong\u003eSolarika BBR-300\u003c\/strong\u003e is a heavy-duty 12V battery booster and isolation relay engineered for demanding dual-battery environments. Whether you are managing a winch, a high-output inverter, or a split-charging leisure battery system in a motorhome or boat, the BBR-300 provides seamless power management without the voltage drop associated with traditional diode isolators.\u003c\/p\u003e\n    \u003cdiv style=\"background-color: #f8f9fa; border-left: 5px solid #27ae60; padding: 15px; margin: 20px 0;\"\u003e\n      \u003cstrong style=\"color: #27ae60;\"\u003eRELIABILITY:\u003c\/strong\u003e Built to meet or exceed OEM specifications with silver alloy contacts and an IP65-rated housing for long-lasting performance in harsh environments.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display: flex; flex-wrap: wrap; margin-top: 20px; gap: 20px;\"\u003e\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eKey Features\u003c\/h3\u003e\n      \u003cul style=\"list-style-type: none; padding: 0; margin: 0;\"\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003e300A Continuous\u003c\/strong\u003e handling capacity\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eBi-Directional Sensing\u003c\/strong\u003e for dual charging\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eZero Voltage Drop\u003c\/strong\u003e mechanical switching\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ \u003cstrong\u003eIP65 Weatherproof\u003c\/strong\u003e sealed construction\u003c\/li\u003e\n        \u003cli style=\"padding: 10px 0; border-bottom: 1px dashed #eee;\"\u003e✔ Surge protected electronics\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex: 1; min-width: 300px; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px; background-color: #ffffff;\"\u003e\n      \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eTechnical Specs\u003c\/h3\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px;\"\u003e\n        \u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eContinuous Current\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e300A\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003ePeak Current (Surge)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e1000A\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eEngage Voltage\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e13.3V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eDisengage Voltage\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003e12.8V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"border-bottom: 1px solid #eee;\"\u003e\n\u003ctd style=\"padding: 8px 0; font-weight: bold;\"\u003eTerminals\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 0; text-align: right;\"\u003eM8 Stainless Studs\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eCompatibility \/ Fitment Guide\u003c\/h3\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n        \u003cthead\u003e\u003ctr style=\"background-color: #ecf0f1;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eApplication\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eSystem Type\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMarine \/ Boats\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e12V Outboard\/Inboard\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCorrosion resistant terminals.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRV \/ Motorhomes\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSplit Charge System\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eIdeal for T4\/T5\/T6 and Sprinters.\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSolar Off-Grid\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eBattery Bank Isolation\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSupports Bi-Directional solar charging.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eOEM Cross Reference\u003c\/h3\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n        \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003ePart Number Reference\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRV Custom Products\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eEB300\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eIntellitec (Equiv)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e00-00507-000 \/ 00-00507-512\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eKeyLine Chargers\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eVSR-300-PRO\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px;\"\u003e\n    \u003ch3 style=\"background-color: #34495e; color: #fff; padding: 12px 15px; margin: 0; border-radius: 6px 6px 0 0; text-align: center;\"\u003eInstallation Guide\u003c\/h3\u003e\n    \u003cdiv style=\"padding: 20px; border: 1px solid #ddd; border-top: none; background-color: #ffffff; color: #444; line-height: 1.6;\"\u003e\n        \u003cp style=\"margin: 0;\"\u003eMount the relay as close as possible to the primary battery. Connect the primary battery to the \"Main\" stud and the auxiliary battery to the \"Aux\" stud. Ensure a solid ground connection for the sensing wire. For 300A loads, use minimum 50mm² (0AWG) copper cabling to prevent overheating. Professional installation is heavily recommended.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px; background-color: #fcfcfc; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px;\"\u003e\n    \u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 0;\"\u003eQuestions \u0026amp; Answers\u003c\/h3\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eIs this a genuine original part?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eThis is a premium Solarika high-current replacement part, manufactured to meet or exceed original equipment (OE) standards for heavy-duty power management.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eHow do I know if it is compatible?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eCheck your current relay's amperage and voltage. If you require a 12V system with a draw up to 300A continuous, the BBR-300 is the correct high-performance upgrade.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 0;\"\u003e\n      \u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #333;\"\u003eCan this relay be used with Lithium (LiFePO4) batteries?\u003c\/p\u003e\n      \u003cp style=\"margin: 0; color: #666; font-size: 15px;\"\u003eYes. Because it is a mechanical relay with bi-directional sensing, it will work with Lithium banks provided your charging source (alternator\/solar) is regulated for Lithium voltages.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"margin-top: 30px; text-align: center; font-size: 14px; color: #7f8c8d; border-top: 1px solid #eee; padding-top: 20px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Please verify your original part number and system amperage requirements against the references above before purchasing. Distributed by Solarika.co.uk.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Photonic Universe","offers":[{"title":"Default Title","offer_id":53091180249385,"sku":"BBR-300","price":32.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/7324\/4457\/files\/1737040562_77495100.png?v=1777826658","url":"https:\/\/www.solarika.co.uk\/products\/300a-48v-red-4-way-copper-busbar-box-with-m8-terminals-bbr-300","provider":"Solarika.co.uk","version":"1.0","type":"link"}