{"product_id":"millertech-lithium-12v-300ah-deep-cycle-battery","title":"Millertech Lithium 12V 300AH Deep Cycle Battery","description":"\u003cp\u003eThe Millertech Lithium 12V 300Ah Sports Series battery delivers 3840Wh of usable power with integrated Bluetooth monitoring and a built-in heater for cold-weather operation. This is a prismatic cell lithium battery designed for serious marine applications where consistent power and weather protection matter.\u003c\/p\u003e\n\n\u003ch3\u003eSPECIFICATIONS\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eWARRANTY\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/millertechenergy.com\/pages\/warranty\" target=\"_blank\" rel=\"noopener\"\u003eSee manufacturer warranty\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWEIGHT\u003c\/strong\u003e\u003cbr\u003e62.3 lbs\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSIZE\u003c\/strong\u003e\u003cbr\u003e13.5\" x 9.6\" x 10.5\"\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSTORAGE CAPACITY\u003c\/strong\u003e\u003cbr\u003e300Ah at 12.8V nominal. Lithium batteries maintain a flat voltage curve through discharge, meaning you get consistent usable capacity until the battery is nearly empty, unlike sealed lead-acid batteries that lose voltage and performance as they drain.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVOLTAGE\u003c\/strong\u003e\u003cbr\u003e12.8V nominal\u003cbr\u003e14.6V max charge\u003cbr\u003e10V low cut-off\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eENERGY\u003c\/strong\u003e\u003cbr\u003e3840Wh\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTERMINALS\u003c\/strong\u003e\u003cbr\u003ePure brass terminals\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eLIFECYCLES (BATTERY LIFESPAN)\u003c\/strong\u003e\u003cbr\u003eNot specified by manufacturer\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOPERATING TEMPERATURE\u003c\/strong\u003e\u003cbr\u003e-4°F to 140°F\u003cbr\u003eIncludes low temperature charging protection and built-in heater for cold weather operation\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDISCHARGE\u003c\/strong\u003e\u003cbr\u003e150A max continuous\u003cbr\u003e400A peak (5 seconds)\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCHARGE\u003c\/strong\u003e\u003cbr\u003e150A max continuous\u003cbr\u003e98% efficiency\u003cbr\u003eNo memory effect\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eINCLUDES ACTIVE BMS PROTECTION\u003c\/strong\u003e\u003cbr\u003eYes\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBLUETOOTH CAPABLE\u003c\/strong\u003e\u003cbr\u003eYes, integrated Bluetooth monitoring\u003c\/p\u003e\n\n\u003ch3\u003eExperience the Millertech Lithium Advantage\u003c\/h3\u003e\n\n\u003cp\u003eThe 12V 300Ah Sports Series combines 3840Wh of power with waterproof construction, dual stainless steel air vents, and an integrated carry handle. The built-in heater and low-temp charging protection make this battery suitable for year-round operation in varying climates.\u003c\/p\u003e","brand":"Millertech Lithium","offers":[{"title":"Default Title","offer_id":44006091063430,"sku":"MIL-12V300B-BT","price":1699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2208\/5969\/files\/12V-300AH0_DSC1945.jpg?v=1779583673","url":"https:\/\/mealeymarine.com\/products\/millertech-lithium-12v-300ah-deep-cycle-battery","provider":"Mealey Marine","version":"1.0","type":"link"}