{"product_id":"mclaren-gen2-replacement-lifepo4-battery-with-a123-emulator","title":"JWM GEN2 LiFePO4 Battery \/A123 Emulator McLaren 540C,570S,570GT,600LT,675LT,early 720S","description":"\u003ch1 data-end=\"234\" data-start=\"141\" data-section-id=\"1e241fp\"\u003eGEN2 LiFePO4 Battery \/ A123 Emulator – McLaren 540C, 570S, 570GT, 600LT, 675LT \u0026amp; Early 720S\u003c\/h1\u003e\n\u003cp data-end=\"475\" data-start=\"259\"\u003eJWM GEN2 LiFePO4 lightweight battery with integrated A123 emulator for McLaren Sports and Super Series models. Plug-and-play solution eliminating battery faults while delivering reliable performance and weight reduction.\u003c\/p\u003e\n\u003chr data-end=\"480\" data-start=\"477\"\u003e\n\u003ch1 data-end=\"505\" data-start=\"482\" data-section-id=\"wj9rfv\"\u003eFull Product Description\u003c\/h1\u003e\n\u003cp data-end=\"675\" data-start=\"507\"\u003eThe \u003cstrong data-end=\"565\" data-start=\"511\"\u003eGEN2 LiFePO4 Battery with Integrated A123 Emulator\u003c\/strong\u003e is a proven lightweight replacement for McLaren models equipped with the factory A123 lithium battery system.\u003c\/p\u003e\n\u003cp data-end=\"1020\" data-start=\"677\"\u003eDesigned specifically for \u003cstrong data-end=\"753\" data-start=\"703\"\u003e540C, 570S, 570GT, 600LT, 675LT and early 720S\u003c\/strong\u003e, this system ensures full compatibility with McLaren’s sensitive battery management architecture. Unlike conventional replacements, the integrated \u003cstrong data-end=\"918\" data-start=\"901\"\u003eA123 emulator\u003c\/strong\u003e prevents common issues such as warning lights, charging faults, and restricted vehicle functionality.\u003c\/p\u003e\n\u003cp data-end=\"1355\" data-start=\"1022\"\u003eUtilising advanced \u003cstrong data-end=\"1077\" data-start=\"1041\"\u003eLithium Iron Phosphate (LiFePO4)\u003c\/strong\u003e technology, the GEN2 battery offers a strong balance of weight reduction, cranking performance, and long-term reliability. It delivers stable voltage output required by McLaren’s electronics while maintaining dependable starting performance in both road and track environments.\u003c\/p\u003e\n\u003cp data-end=\"1569\" data-start=\"1357\"\u003eAs a \u003cstrong data-end=\"1384\" data-start=\"1362\"\u003edirect replacement\u003c\/strong\u003e, installation is straightforward with no coding required, making it an ideal upgrade for owners looking to improve reliability and reduce weight without compromising OEM functionality.\u003c\/p\u003e\n\u003cp data-end=\"1569\" data-start=\"1357\"\u003eAn optional \u003cstrong data-start=\"1632\" data-end=\"1658\"\u003eJWM Restart Technology\u003c\/strong\u003e variant is also available — effectively incorporating a secondary backup battery within the unit. In the event of partial discharge (common on low-use vehicles), simply press the reset button to restore starting power.\u003c\/p\u003e\n\u003chr data-end=\"1574\" data-start=\"1571\"\u003e\n\u003ch1 data-end=\"1590\" data-start=\"1576\" data-section-id=\"u0ybrq\"\u003eKey Features\u003c\/h1\u003e\n\u003cul data-end=\"1987\" data-start=\"1592\"\u003e\n\u003cli data-end=\"1661\" data-start=\"1592\" data-section-id=\"68c5xf\"\u003eIntegrated \u003cstrong data-end=\"1622\" data-start=\"1605\"\u003eA123 emulator\u003c\/strong\u003e – no warning lights or system faults\u003c\/li\u003e\n\u003cli data-end=\"1716\" data-start=\"1662\" data-section-id=\"4gaago\"\u003eLightweight \u003cstrong data-end=\"1714\" data-start=\"1676\"\u003eLiFePO4 lithium battery technology\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1760\" data-start=\"1717\" data-section-id=\"5xphcr\"\u003eDirect replacement for OEM A123 battery\u003c\/li\u003e\n\u003cli data-end=\"1810\" data-start=\"1761\" data-section-id=\"1fiui97\"\u003ePlug \u0026amp; play installation – no coding required\u003c\/li\u003e\n\u003cli data-end=\"1860\" data-start=\"1811\" data-section-id=\"fq0klk\"\u003eStable voltage output for McLaren electronics\u003c\/li\u003e\n\u003cli data-end=\"1894\" data-start=\"1861\" data-section-id=\"9lwi77\"\u003eReduced weight vs OEM battery\u003c\/li\u003e\n\u003cli data-end=\"1942\" data-start=\"1895\" data-section-id=\"1nqj70s\"\u003eReliable performance for road and track use\u003c\/li\u003e\n\u003cli data-end=\"1987\" data-start=\"1943\" data-section-id=\"jxihjj\"\u003eLow self-discharge and extended lifespan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1992\" data-start=\"1989\"\u003e\n\u003ch1 data-end=\"2010\" data-start=\"1994\" data-section-id=\"1spgaq0\"\u003eSpecifications\u003c\/h1\u003e\n\u003cul data-end=\"2280\" data-start=\"2012\"\u003e\n\u003cli data-end=\"2057\" data-start=\"2012\" data-section-id=\"vcie95\"\u003e\n\u003cstrong data-end=\"2031\" data-start=\"2014\"\u003eProduct Type:\u003c\/strong\u003e LiFePO4 Lithium Battery\u003c\/li\u003e\n\u003cli data-end=\"2082\" data-start=\"2058\" data-section-id=\"ezkxvu\"\u003e\n\u003cstrong data-end=\"2075\" data-start=\"2060\"\u003eGeneration:\u003c\/strong\u003e GEN2\u003c\/li\u003e\n\u003cli data-end=\"2135\" data-start=\"2083\" data-section-id=\"hyo2va\"\u003e\n\u003cstrong data-end=\"2100\" data-start=\"2085\"\u003eTechnology:\u003c\/strong\u003e Lithium Iron Phosphate (LiFePO4)\u003c\/li\u003e\n\u003cli data-end=\"2185\" data-start=\"2136\" data-section-id=\"h71fgx\"\u003e\n\u003cstrong data-end=\"2151\" data-start=\"2138\"\u003eEmulator:\u003c\/strong\u003e Integrated A123 system emulator\u003c\/li\u003e\n\u003cli data-end=\"2226\" data-start=\"2186\" data-section-id=\"15zbrst\"\u003e\n\u003cstrong data-end=\"2205\" data-start=\"2188\"\u003eInstallation:\u003c\/strong\u003e Direct replacement\u003c\/li\u003e\n\u003cli data-end=\"2280\" data-start=\"2227\" data-section-id=\"uawpwx\"\u003e\n\u003cstrong data-end=\"2249\" data-start=\"2229\"\u003eData Connection:\u003c\/strong\u003e 2-pin direct to McLaren loom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2308\" data-start=\"2282\" data-section-id=\"1g5d8j4\"\u003eElectrical Performance\u003c\/h3\u003e\n\u003cul data-end=\"2544\" data-start=\"2309\"\u003e\n\u003cli data-end=\"2339\" data-start=\"2309\" data-section-id=\"3bmby7\"\u003e\n\u003cstrong data-end=\"2331\" data-start=\"2311\"\u003eNominal Voltage:\u003c\/strong\u003e 14.4V\u003c\/li\u003e\n\u003cli data-end=\"2385\" data-start=\"2340\" data-section-id=\"1eeh0cp\"\u003e\n\u003cstrong data-end=\"2368\" data-start=\"2342\"\u003eMain Battery Capacity:\u003c\/strong\u003e 90Ah (Lithium)\u003c\/li\u003e\n\u003cli data-end=\"2444\" data-start=\"2386\" data-section-id=\"m6tn1r\"\u003e\n\u003cstrong data-end=\"2418\" data-start=\"2388\"\u003eCold Cranking Amps (Main):\u003c\/strong\u003e High output performance\u003c\/li\u003e\n\u003cli data-end=\"2493\" data-start=\"2445\" data-section-id=\"prbjrx\"\u003e\n\u003cstrong data-end=\"2476\" data-start=\"2447\"\u003eRestart Battery Capacity:\u003c\/strong\u003e 10Ah (Lithium)\u003c\/li\u003e\n\u003cli data-end=\"2544\" data-start=\"2494\" data-section-id=\"7phyzm\"\u003e\n\u003cstrong data-end=\"2535\" data-start=\"2496\"\u003eRestart Battery Cold Cranking Amps:\u003c\/strong\u003e 500CCA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2569\" data-start=\"2546\" data-section-id=\"b9vdtc\"\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003cul data-end=\"2614\" data-start=\"2570\"\u003e\n\u003cli data-end=\"2614\" data-start=\"2570\" data-section-id=\"1fz3o9r\"\u003e\n\u003cstrong data-end=\"2593\" data-start=\"2572\"\u003eSize (L x W x H):\u003c\/strong\u003e 315 x 175 x 187 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2626\" data-start=\"2616\" data-section-id=\"mjw76u\"\u003eWeight\u003c\/h3\u003e\n\u003cul data-end=\"2700\" data-start=\"2627\"\u003e\n\u003cli data-end=\"2663\" data-start=\"2627\" data-section-id=\"14tml49\"\u003e\n\u003cstrong data-end=\"2655\" data-start=\"2629\"\u003eStandard 90Ah Battery:\u003c\/strong\u003e 9.6kg\u003c\/li\u003e\n\u003cli data-end=\"2700\" data-start=\"2664\" data-section-id=\"dzfhml\"\u003e\n\u003cstrong data-end=\"2691\" data-start=\"2666\"\u003eRestart 90Ah Battery:\u003c\/strong\u003e 10.6kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2705\" data-start=\"2702\"\u003e\n\u003ch1 data-end=\"2728\" data-start=\"2707\" data-section-id=\"1kqta2z\"\u003eCompatible Vehicles\u003c\/h1\u003e\n\u003ch3 data-end=\"2755\" data-start=\"2730\" data-section-id=\"vdysce\"\u003eMcLaren Sports Series\u003c\/h3\u003e\n\u003cul data-end=\"2916\" data-start=\"2756\"\u003e\n\u003cli data-end=\"2782\" data-start=\"2756\" data-section-id=\"oqzcjw\"\u003eMcLaren \u003cstrong data-end=\"2780\" data-start=\"2766\"\u003e540C Coupe\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2809\" data-start=\"2783\" data-section-id=\"130ew0v\"\u003eMcLaren \u003cstrong data-end=\"2807\" data-start=\"2793\"\u003e570S Coupe\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2837\" data-start=\"2810\" data-section-id=\"dsyhai\"\u003eMcLaren \u003cstrong data-end=\"2835\" data-start=\"2820\"\u003e570S Spider\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2859\" data-start=\"2838\" data-section-id=\"1mvcsvn\"\u003eMcLaren \u003cstrong data-end=\"2857\" data-start=\"2848\"\u003e570GT\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2887\" data-start=\"2860\" data-section-id=\"1nuyrqo\"\u003eMcLaren \u003cstrong data-end=\"2885\" data-start=\"2870\"\u003e600LT Coupe\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2916\" data-start=\"2888\" data-section-id=\"1g07o91\"\u003eMcLaren \u003cstrong data-end=\"2914\" data-start=\"2898\"\u003e600LT Spider\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2942\" data-start=\"2918\" data-section-id=\"1c92zwm\"\u003eMcLaren Super Series\u003c\/h3\u003e\n\u003cul data-end=\"3084\" data-start=\"2943\"\u003e\n\u003cli data-end=\"2970\" data-start=\"2943\" data-section-id=\"7rnf82\"\u003eMcLaren \u003cstrong data-end=\"2968\" data-start=\"2953\"\u003e675LT Coupe\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2999\" data-start=\"2971\" data-section-id=\"1c7e8o7\"\u003eMcLaren \u003cstrong data-end=\"2997\" data-start=\"2981\"\u003e675LT Spider\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3041\" data-start=\"3000\" data-section-id=\"1xtgdnq\"\u003eMcLaren \u003cstrong data-end=\"3039\" data-start=\"3010\"\u003e720S Coupe (Early Models)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3084\" data-start=\"3042\" data-section-id=\"fhdy9f\"\u003eMcLaren \u003cstrong data-end=\"3082\" data-start=\"3052\"\u003e720S Spider (Early Models)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3089\" data-start=\"3086\"\u003e\n\u003ch1 data-end=\"3117\" data-start=\"3091\" data-section-id=\"iqr1ox\"\u003eWhy Choose GEN2 LiFePO4?\u003c\/h1\u003e\n\u003cp data-end=\"3283\" data-start=\"3119\"\u003eThe GEN2 system provides a reliable and cost-effective solution for McLaren owners looking to replace the factory A123 battery without triggering electrical issues.\u003c\/p\u003e\n\u003cp data-end=\"3489\" data-start=\"3285\"\u003eBy combining \u003cstrong data-end=\"3370\" data-start=\"3298\"\u003eOEM communication compatibility with lightweight lithium performance\u003c\/strong\u003e, it eliminates the common pitfalls of standard battery replacements while improving overall reliability and usability.\u003c\/p\u003e\n\u003chr data-end=\"3494\" data-start=\"3491\"\u003e\n\u003ch1 data-end=\"3513\" data-start=\"3496\" data-section-id=\"1bujgeb\"\u003eImportant Notes\u003c\/h1\u003e\n\u003cul data-end=\"3716\" data-start=\"3515\"\u003e\n\u003cli data-end=\"3586\" data-start=\"3515\" data-section-id=\"4spepy\"\u003eDesigned for vehicles originally equipped with A123 battery systems\u003c\/li\u003e\n\u003cli data-end=\"3620\" data-start=\"3587\" data-section-id=\"1hnt6jb\"\u003eEarly 720S compatibility only\u003c\/li\u003e\n\u003cli data-end=\"3674\" data-start=\"3621\" data-section-id=\"i70ejm\"\u003eNot compatible with newer non-A123 configurations\u003c\/li\u003e\n\u003cli data-end=\"3716\" data-start=\"3675\" data-section-id=\"1g9b5ii\"\u003eProfessional installation recommended\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rennworks Performance","offers":[{"title":"Without Restart Technology","offer_id":57319262323023,"sku":"Gen2LiFePO4\/A123 WORT","price":1199.0,"currency_code":"GBP","in_stock":true},{"title":"With Restart Technology","offer_id":57319262355791,"sku":"Gen2 LiFePO4\/A123 WRT","price":1319.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0942\/0924\/5519\/files\/4809022700.jpg?v=1774512147","url":"https:\/\/rennworks-performance.com\/products\/mclaren-gen2-replacement-lifepo4-battery-with-a123-emulator","provider":"Rennworks Performance","version":"1.0","type":"link"}