{"product_id":"sealey-superboost300e-6-12-24v-battery-starter-charger-300a-230v","title":"Sealey 6\/12\/24V Battery Starter\/Charger 300A\/230V SUPERBOOST300E","description":"\u003cdiv style=\"margin: 10px; padding: 10px;border: solid red 1px;text-align: center; background: #fdd;\"\u003e\u003cb\u003eMore stock due 1st October 2026\u003c\/b\u003e\u003c\/div\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.sealey.co.uk\/guarantee\/\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/product-info.greasejunkie.com\/images\/logos\/sealeyWarranty\/12.webp\" alt=\"Manufacturer 1 year\" style=\"width: 185px;\"\u003e\u003c\/a\u003e\u003cbr\u003eMicroprocessor controlled charger with up to ten analysis and charge phases, including trickle\/maintenance. Suitable for charging 6V, 12V and 24V electrical systems and jump starting 12\/24V vehicles. Battery compatibility includes VRLA, GEL, AGM\/EFB, Leisure and Lithium batteries (12V only). Delivers up to 30A boost charge with timed safety cycles for fast charging and 300A starting power for 12\/24V vehicles. Suitable for batteries from 15Ah to 400Ah and maintains all sizes. BSU mode provides support for the battery during prolonged electronic diagnostic checks. Built-in alternator check and dedicated repair function. Safety features include integrated thermal management system, reverse polarity, short circuit, overcharge and overcurrent protection systems.\u003cbr\u003e\u003cbr\u003e• FULLY ELECTRONIC SMART CHARGER - Microprocessor controlled charger with up to ten analysis and charge phases, including trickle\/maintenance.\u003cbr\u003e• SUITABLE FOR – Suitable for charging 6V, 12V and 24V electrical systems and jump starting 12\/24V vehicles.\u003cbr\u003e• BATTERY COMPATIBILITY - Suitable for charging VRLA, GEL, AGM\/EFB, Leisure and Lithium batteries (12V only). \u003cbr\u003e• HIGH-POWER OUTPUT – Delivers up to 30A boost charge with timed safety cycles for fast charging and 300A starting power for 12\/24V vehicles. \u003cbr\u003e• WIDE CAPACITY RANGE – Suitable for batteries from 15Ah to 400Ah and maintains all sizes.\u003cbr\u003e• BATTERY SUPPORT UNITS - BSU mode provides support for the battery during prolonged electronic diagnostic checks.\u003cbr\u003e• ALTERNATOR TESTER – Built-in alternator check and dedicated repair function. \u003cbr\u003e• SAFETY FEATURES - Integrated thermal management system, reverse polarity, short circuit, overcharge and overcurrent protection systems.\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel No\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSUPERBOOST300E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSealey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable \u0026amp; Clamp Length:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.8m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNett Weight:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput: \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6\/12\/24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZero Volt Charging:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 1V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Support \/ DC Supply Mode:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Current (Amps):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230V ~ 50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharger Type:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Range: (Ah)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15-400Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Size Battery (Ah) Full Charge in 12 hrs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Charge Peak:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Start Peak:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType of Battery:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAll types 6V\/12V\/24V Lead-Acid Batteries\n\u0026amp;\n12V Lithium Batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVRLA (Lead-Acid)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLithium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLeisure (Deep Discharge)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eDocuments\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstructions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/product-info.greasejunkie.com\/sealey\/SUPERBOOST300E\/Superboost200E%20%20300E%20%20400E%20Instructions%2020260625%20%20Issue%201_DFC2079099.pdf\" target=\"_blank\"\u003eView\/Download\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParts Diagrams\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/product-info.greasejunkie.com\/sealey\/SUPERBOOST300E\/SUPERBOOST300E%20Parts%20Diagram%2020260119%20Issue%201_DFC2009499.pdf\" target=\"_blank\"\u003eView\/Download\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Sealey","offers":[{"title":"Default Title","offer_id":56390086328699,"sku":"SEALEY-SUPERBOOST300E","price":251.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/4593\/0562\/files\/sealey_SUPERBOOST300E_SUPERBOOST300E_DFC2088616_585499b5-a015-4ed2-b5f9-d1f9fd0fa77f.png?v=1787559263","url":"https:\/\/www.greasejunkie.com\/products\/sealey-superboost300e-6-12-24v-battery-starter-charger-300a-230v","provider":"Grease Junkie by Edd China","version":"1.0","type":"link"}