{"product_id":"mastervolt-83304002-charge-mate-battery-isolator-40-amp-dual","title":"Mastervolt 83304002 Charge Mate Battery Isolator, 40 Amp Dual","description":"\u003cp\u003eThe Mastervolt 83304002 Charge Mate Battery Isolator is a current-limited electronic charge relay designed for efficient management of 12V and 24V dual battery systems. It ensures proper charging distribution between starter and auxiliary batteries while maintaining isolation during discharge.\u003c\/p\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Mastervolt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 83304002\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Electronic Battery Isolator \/ Charge Relay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e 12V \/ 24V dual battery systems for charging and isolation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 Amp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes Solenoid:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes Switches:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes Fuse:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eElectronic charge coupling with very low voltage drop\u003c\/li\u003e\n\u003cli\u003eEnables efficient dual battery charging from a single source\u003c\/li\u003e\n\u003cli\u003eLimits charge current to 40A for the secondary battery\u003c\/li\u003e\n\u003cli\u003ePriority charging for the primary (starter) battery\u003c\/li\u003e\n\u003cli\u003eAutomatically connects batteries during charging and isolates during discharge\u003c\/li\u003e\n\u003cli\u003eReverse current protection prevents unwanted battery drain\u003c\/li\u003e\n\u003cli\u003eImproves system reliability and battery life\u003c\/li\u003e\n\u003cli\u003eReduces risk of starter battery depletion\u003c\/li\u003e\n\u003cli\u003eSupports optional emergency start function with bypass switch\u003c\/li\u003e\n\u003cli\u003eIdeal for marine, RV, and off-grid electrical systems\u003c\/li\u003e\n\u003cli\u003eBacked by a limited 2-year warranty\u003c\/li\u003e\n\u003cli\u003eProduct Description\u003c\/li\u003e\n\u003cli\u003eThe Mastervolt 83304002 Charge Mate Battery Isolator is engineered to provide controlled and efficient charging across dual battery systems. Unlike traditional mechanical relays, this unit uses advanced electronic control to limit current flow to the secondary battery, ensuring the primary battery is always charged first.\u003c\/li\u003e\n\u003cli\u003eDuring operation, the system automatically connects both batteries when a charging source is active and isolates them when not, preventing unwanted discharge. The integrated reverse current protection ensures that power cannot flow back from the auxiliary battery, preserving stored energy.\u003c\/li\u003e\n\u003cli\u003eThis isolator is especially useful in marine applications, such as managing service and bow thruster batteries, as well as in RVs and utility vehicles where reliable dual battery performance is essential.\u003c\/li\u003e\n\u003cli\u003eImportant Notice\u003c\/li\u003e\n\u003cli\u003eThis electrical component is non-returnable. Please confirm compatibility with your system before purchasing.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mastervolt","offers":[{"title":"Default Title","offer_id":48298306699470,"sku":"14-2146","price":357.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3785\/6462\/files\/ImageServerAPI_5_88802379-e6ea-4763-9442-cef0f844110f.jpg?v=1787078903","url":"https:\/\/newrvparts.com\/products\/mastervolt-83304002-charge-mate-battery-isolator-40-amp-dual","provider":"New RV Parts","version":"1.0","type":"link"}