{"product_id":"mclaren-gen1-replacement-lifepo4-battery-with-a123-emulator","title":"JWM GEN1 Replacement LiFePO4 Battery \/A123 Emulator McLaren 12C,650S","description":"\u003ch1 data-end=\"255\" data-start=\"171\" data-section-id=\"k3trp1\"\u003eGEN1 Replacement LiFePO4 Battery \/ A123 Emulator – McLaren 12C \/ 650S \/ 650 Can-Am\u003c\/h1\u003e\n\u003cp data-end=\"478\" data-start=\"280\"\u003eGEN1 replacement LiFePO4 battery with integrated A123 emulator for McLaren 12C, 650S and 650 Can-Am. Plug-and-play upgrade delivering 5x cranking power, increased capacity, and fault-free operation.\u003c\/p\u003e\n\u003chr data-end=\"483\" data-start=\"480\"\u003e\n\u003ch1 data-end=\"508\" data-start=\"485\" data-section-id=\"wj9rfv\"\u003eFull Product Description\u003c\/h1\u003e\n\u003cp data-end=\"692\" data-start=\"510\"\u003eThe \u003cstrong data-end=\"580\" data-start=\"514\"\u003eGEN1 Replacement LiFePO4 Battery with Integrated A123 Emulator\u003c\/strong\u003e is a purpose-built upgrade for McLaren models originally equipped with the factory GEN1 lithium battery system.\u003c\/p\u003e\n\u003cp data-end=\"1042\" data-start=\"694\"\u003eDesigned specifically for \u003cstrong data-end=\"756\" data-start=\"720\"\u003eMcLaren 12C, 650S and 650 Can-Am\u003c\/strong\u003e, this battery provides a direct replacement solution with no coding or modification required. The integrated \u003cstrong data-end=\"897\" data-start=\"866\"\u003eJWM-developed A123 emulator\u003c\/strong\u003e communicates directly with the vehicle’s Body Control ECU, ensuring \u003cstrong data-end=\"1041\" data-start=\"966\"\u003eno warning lights, no error messages, and full OEM system compatibility\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"1382\" data-start=\"1044\"\u003eCompared to the original McLaren GEN1 battery, this upgraded solution delivers a substantial increase in performance. With \u003cstrong data-end=\"1205\" data-start=\"1167\"\u003e110Ah lithium capacity vs 70Ah OEM\u003c\/strong\u003e, and \u003cstrong data-end=\"1246\" data-start=\"1211\"\u003e2100CCA vs approximately 400CCA\u003c\/strong\u003e, it provides significantly improved starting power and reliability — particularly beneficial for vehicles that are used intermittently.\u003c\/p\u003e\n\u003cp data-end=\"1596\" data-start=\"1384\"\u003eUtilising advanced \u003cstrong data-end=\"1439\" data-start=\"1403\"\u003eLiFePO4 (Lithium Iron Phosphate)\u003c\/strong\u003e chemistry, the battery offers improved stability, longer lifespan (up to 15 years), and superior usability compared to earlier lithium battery technologies.\u003c\/p\u003e\n\u003cp data-end=\"1743\" data-start=\"1598\"\u003eThe result is a \u003cstrong data-end=\"1682\" data-start=\"1614\"\u003elightweight, high-performance, and maintenance-friendly solution\u003c\/strong\u003e designed to enhance both reliability and everyday usability.\u003c\/p\u003e\n\u003chr data-end=\"1748\" data-start=\"1745\"\u003e\n\u003ch1 data-end=\"1764\" data-start=\"1750\" data-section-id=\"u0ybrq\"\u003eKey Features\u003c\/h1\u003e\n\u003cul data-end=\"2261\" data-start=\"1766\"\u003e\n\u003cli data-end=\"1825\" data-start=\"1766\" data-section-id=\"slu1gc\"\u003eDirect replacement for \u003cstrong data-end=\"1823\" data-start=\"1791\"\u003eMcLaren GEN1 battery systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1890\" data-start=\"1826\" data-section-id=\"klmm8g\"\u003eIntegrated \u003cstrong data-end=\"1856\" data-start=\"1839\"\u003eA123 emulator\u003c\/strong\u003e – no faults, no coding required\u003c\/li\u003e\n\u003cli data-end=\"1943\" data-start=\"1891\" data-section-id=\"1xgqihv\"\u003e\n\u003cstrong data-end=\"1926\" data-start=\"1893\"\u003e5x increase in cranking power\u003c\/strong\u003e vs OEM battery\u003c\/li\u003e\n\u003cli data-end=\"1990\" data-start=\"1944\" data-section-id=\"1e1a0y0\"\u003eIncreased capacity (\u003cstrong data-end=\"1987\" data-start=\"1966\"\u003e110Ah vs 70Ah OEM\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli data-end=\"2034\" data-start=\"1991\" data-section-id=\"1h0anud\"\u003eAdvanced \u003cstrong data-end=\"2032\" data-start=\"2002\"\u003eLiFePO4 lithium technology\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2082\" data-start=\"2035\" data-section-id=\"1fvny91\"\u003eImproved lifespan (up to 15 years expected)\u003c\/li\u003e\n\u003cli data-end=\"2132\" data-start=\"2083\" data-section-id=\"fq0klk\"\u003eStable voltage output for McLaren electronics\u003c\/li\u003e\n\u003cli data-end=\"2161\" data-start=\"2133\" data-section-id=\"1v4eioo\"\u003ePlug \u0026amp; play installation\u003c\/li\u003e\n\u003cli data-end=\"2223\" data-start=\"2162\" data-section-id=\"4l3qnf\"\u003eSignificant weight reduction vs conventional alternatives\u003c\/li\u003e\n\u003cli data-end=\"2261\" data-start=\"2224\" data-section-id=\"1i4cijq\"\u003e\u003cstrong data-end=\"2259\" data-start=\"2226\"\u003eMotorsport UK (MSA) compliant\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2266\" data-start=\"2263\"\u003e\n\u003ch1 data-end=\"2284\" data-start=\"2268\" data-section-id=\"1spgaq0\"\u003eSpecifications\u003c\/h1\u003e\n\u003ch3 data-end=\"2297\" data-start=\"2286\" data-section-id=\"1b952b4\"\u003eGeneral\u003c\/h3\u003e\n\u003cul data-end=\"2450\" data-start=\"2298\"\u003e\n\u003cli data-end=\"2343\" data-start=\"2298\" data-section-id=\"vcie95\"\u003e\n\u003cstrong data-end=\"2317\" data-start=\"2300\"\u003eProduct Type:\u003c\/strong\u003e LiFePO4 Lithium Battery\u003c\/li\u003e\n\u003cli data-end=\"2397\" data-start=\"2344\" data-section-id=\"107fvvg\"\u003e\n\u003cstrong data-end=\"2362\" data-start=\"2346\"\u003eApplication:\u003c\/strong\u003e McLaren GEN1 Battery Replacement\u003c\/li\u003e\n\u003cli data-end=\"2450\" data-start=\"2398\" data-section-id=\"hyo2va\"\u003e\n\u003cstrong data-end=\"2415\" data-start=\"2400\"\u003eTechnology:\u003c\/strong\u003e Lithium Iron Phosphate (LiFePO4)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2478\" data-start=\"2452\" data-section-id=\"1g5d8j4\"\u003eElectrical Performance\u003c\/h3\u003e\n\u003cul data-end=\"2592\" data-start=\"2479\"\u003e\n\u003cli data-end=\"2509\" data-start=\"2479\" data-section-id=\"3bmby7\"\u003e\n\u003cstrong data-end=\"2501\" data-start=\"2481\"\u003eNominal Voltage:\u003c\/strong\u003e 14.4V\u003c\/li\u003e\n\u003cli data-end=\"2556\" data-start=\"2510\" data-section-id=\"938y0g\"\u003e\n\u003cstrong data-end=\"2538\" data-start=\"2512\"\u003eMain Battery Capacity:\u003c\/strong\u003e 110Ah (Lithium)\u003c\/li\u003e\n\u003cli data-end=\"2592\" data-start=\"2557\" data-section-id=\"gpvqa6\"\u003e\n\u003cstrong data-end=\"2582\" data-start=\"2559\"\u003eCold Cranking Amps:\u003c\/strong\u003e 2100CCA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2610\" data-start=\"2594\" data-section-id=\"bbkx2b\"\u003eConnectivity\u003c\/h3\u003e\n\u003cul data-end=\"2664\" data-start=\"2611\"\u003e\n\u003cli data-end=\"2664\" data-start=\"2611\" data-section-id=\"1pc89o7\"\u003e\n\u003cstrong data-end=\"2633\" data-start=\"2613\"\u003eData Connection:\u003c\/strong\u003e 4-pin direct to McLaren loom\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2689\" data-start=\"2666\" data-section-id=\"b9vdtc\"\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003cul data-end=\"2734\" data-start=\"2690\"\u003e\n\u003cli data-end=\"2734\" data-start=\"2690\" data-section-id=\"1t6yfbt\"\u003e\n\u003cstrong data-end=\"2713\" data-start=\"2692\"\u003eSize (L x W x H):\u003c\/strong\u003e 354 x 176 x 187 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2746\" data-start=\"2736\" data-section-id=\"mjw76u\"\u003eWeight\u003c\/h3\u003e\n\u003cul data-end=\"2777\" data-start=\"2747\"\u003e\n\u003cli data-end=\"2777\" data-start=\"2747\" data-section-id=\"1qohi22\"\u003e\n\u003cstrong data-end=\"2768\" data-start=\"2749\"\u003eBattery Weight:\u003c\/strong\u003e 10.6kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2782\" data-start=\"2779\"\u003e\n\u003ch1 data-end=\"2805\" data-start=\"2784\" data-section-id=\"1kqta2z\"\u003eCompatible Vehicles\u003c\/h1\u003e\n\u003ch3 data-end=\"2854\" data-start=\"2807\" data-section-id=\"n76hvl\"\u003eMcLaren Super Series (GEN1 Battery Systems)\u003c\/h3\u003e\n\u003cul data-end=\"2998\" data-start=\"2855\"\u003e\n\u003cli data-end=\"2884\" data-start=\"2855\" data-section-id=\"1bmjb7e\"\u003eMcLaren \u003cstrong data-end=\"2882\" data-start=\"2865\"\u003eMP4-12C Coupe\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2915\" data-start=\"2885\" data-section-id=\"1e8w9n3\"\u003eMcLaren \u003cstrong data-end=\"2913\" data-start=\"2895\"\u003eMP4-12C Spider\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2942\" data-start=\"2916\" data-section-id=\"1wzh7we\"\u003eMcLaren \u003cstrong data-end=\"2940\" data-start=\"2926\"\u003e650S Coupe\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2970\" data-start=\"2943\" data-section-id=\"404arv\"\u003eMcLaren \u003cstrong data-end=\"2968\" data-start=\"2953\"\u003e650S Spider\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2998\" data-start=\"2971\" data-section-id=\"15dbfz3\"\u003eMcLaren \u003cstrong data-end=\"2996\" data-start=\"2981\"\u003e650S Can-Am\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3003\" data-start=\"3000\"\u003e\n\u003ch1 data-end=\"3045\" data-start=\"3005\" data-section-id=\"qie8xf\"\u003eWhy Upgrade from McLaren GEN1 Battery?\u003c\/h1\u003e\n\u003cp data-end=\"3322\" data-start=\"3047\"\u003eThe factory GEN1 McLaren battery is known for limited cranking performance and sensitivity to voltage behaviour. This upgraded LiFePO4 solution significantly improves reliability, usability, and performance while maintaining full compatibility with the vehicle’s electronics.\u003c\/p\u003e\n\u003cp data-end=\"3509\" data-start=\"3324\"\u003eWith \u003cstrong data-end=\"3408\" data-start=\"3329\"\u003ehigher capacity, dramatically increased cranking power, and longer lifespan\u003c\/strong\u003e, this upgrade transforms ownership experience — particularly for vehicles that are not driven daily.\u003c\/p\u003e\n\u003chr data-end=\"3514\" data-start=\"3511\"\u003e\n\u003ch1 data-end=\"3533\" data-start=\"3516\" data-section-id=\"1bujgeb\"\u003eImportant Notes\u003c\/h1\u003e\n\u003cul data-end=\"3760\" data-start=\"3535\"\u003e\n\u003cli data-end=\"3628\" data-start=\"3535\" data-section-id=\"ak5hfw\"\u003eDesigned specifically for vehicles equipped with \u003cstrong data-end=\"3626\" data-start=\"3586\"\u003eGEN1 McLaren lithium battery systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3683\" data-start=\"3629\" data-section-id=\"1kddm2d\"\u003eIntegrated emulator ensures full OEM compatibility\u003c\/li\u003e\n\u003cli data-end=\"3718\" data-start=\"3684\" data-section-id=\"14p50tm\"\u003eNo coding or recoding required\u003c\/li\u003e\n\u003cli data-end=\"3760\" data-start=\"3719\" data-section-id=\"1g9b5ii\"\u003eProfessional installation recommended\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rennworks Performance","offers":[{"title":"Default Title","offer_id":57320830763343,"sku":"Gen1 LiFePO4\/A123","price":1299.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0942\/0924\/5519\/files\/4810056931.jpg?v=1774522676","url":"https:\/\/rennworks-performance.com\/products\/mclaren-gen1-replacement-lifepo4-battery-with-a123-emulator","provider":"Rennworks Performance","version":"1.0","type":"link"}