{"product_id":"2009-audi-s4-car-battery-bci-group-49-h8-lithium-lifepo4-automotive-battery","title":"PowerTex 2009 Audi S4 Car Battery BCI Group 49 \/ H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-288","description":"\u003ch2\u003ePowerTex 2009 Audi S4 Car Battery BCI Group 49 \/ H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-288\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIntroducing PowerTex LiFePO4 BCI Group 49\/H8 Battery - Unleash the Power of Performance and Reliability!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaximied Longevity:\u003c\/strong\u003e Elevate your driving experience with the Powertex Lithium Iron Phosphate car battery, an optimal solution for maximizing your vehicle's potential. Crafted for extended durability surpassing conventional car batteries, this powerhouse delivers enhanced power and prolonged longevity. With LiFePO4, revel in sustained performance and unwavering reliability that elevates your journey every mile of the way.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eOptimized Performance:\u003c\/strong\u003e Elevate your driving experience with the Powertex Lithium car battery, meticulously crafted for enhanced performance and dependability. This battery offers increased power and an extended lifespan, making it the ideal selection for those aiming to optimize their vehicle's capabilities. Choose Lithium Iron Phosphate for improved and consistently reliable performance.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eJump Start Button:\u003c\/strong\u003e Never worry about external jump starting again! Our battery features an internal jump start button, activated in the event of battery discharge or BMS triggering, ensuring hassle-free operations wherever you go.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBattery Management System: \u003c\/strong\u003eExperience peace of mind with our cutting-edge Battery Management System (BMS), acting as a vigilant protector against overcharge, over-discharge, and short-circuit incidents. This intelligent system tirelessly monitors and controls battery performance, ensuring both your safety and the durability of your investment.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGrade A Cells:\u003c\/strong\u003e Trust in the highest quality and reliability with UL-certified Grade A cells, delivering unmatched performance and peace of mind.\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003eDiscover the unparalleled performance of our Powertex LiFePO4 Car Battery with transparent and comprehensive insights into key parameters:\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCapacity:\u003c\/strong\u003e Unmatched energy storage capacity to fuel extended journeys and power-hungry applications.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCycle Life:\u003c\/strong\u003e Exceptional longevity, ensuring a prolonged and reliable service life for your investment.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCharging Time:\u003c\/strong\u003e Swift and efficient charging capabilities, minimizing downtime and maximizing your driving experience.\u003cbr\u003e\u003cbr\u003eAt Powertex, we prioritize clarity and excellence, empowering customers with the information they need to make informed decisions and elevate their driving experience.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eConcerned About The Safety of Powertex LiFePO4 Car Batteries?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eAfter undergoing rigorous testing, we've engineered the most efficient and secure battery solution. Our LiFePO4 battery utilizes cells that have undergone puncture testing to prevent potential fire and explosion hazards. With crush-resistant technology, it's built to withstand intense pressure, collisions, and maintain structural integrity, ensuring your safety in any situation. Additionally, boasting IP65 and IP67 waterproof ratings, it offers unparalleled protection against water damage. Certified with UN38.3, MSDS, 62133, 62619, and CE, our battery is a testament to its reliability and safety standards, providing you with peace of mind on every journey.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"32\" data-end=\"316\"\u003e\n\u003cp data-start=\"34\" data-end=\"316\"\u003e\u003cstrong data-start=\"34\" data-end=\"65\"\u003eLiFePO₄ Power \u0026amp; Durability:\u003c\/strong\u003e Uses advanced \u003cstrong data-start=\"80\" data-end=\"116\"\u003elithium‑iron‑phosphate (LiFePO₄)\u003c\/strong\u003e chemistry for stable output, extended cycle life, and higher energy efficiency than traditional lead‑acid alternatives — ideal for performance and reliability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"317\" data-end=\"557\"\u003e\n\u003cp data-start=\"319\" data-end=\"557\"\u003e\u003cstrong data-start=\"319\" data-end=\"353\"\u003ePerfect BCI Group 49 \/ H8 Fit:\u003c\/strong\u003e Built to match the \u003cstrong data-start=\"373\" data-end=\"394\"\u003eBCI Group 49 \/ H8\u003c\/strong\u003e form factor and electrical specs for your 2005 Audi A4 Quattro — simple drop‑in installation with no modifications needed. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"558\" data-end=\"772\"\u003e\n\u003cp data-start=\"560\" data-end=\"772\"\u003e\u003cstrong data-start=\"560\" data-end=\"588\"\u003eLightweight Performance:\u003c\/strong\u003e Significantly lighter than standard lead‑acid batteries, helping reduce overall vehicle weight and support better handling and fuel efficiency. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"773\" data-end=\"943\"\u003e\n\u003cp data-start=\"775\" data-end=\"943\"\u003e\u003cstrong data-start=\"775\" data-end=\"803\"\u003eReliable Starting Power:\u003c\/strong\u003e High cranking and cold‑cranking performance deliver dependable starts, even in challenging weather. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"944\" data-end=\"1165\"\u003e\n\u003cp data-start=\"946\" data-end=\"1165\"\u003e\u003cstrong data-start=\"946\" data-end=\"975\"\u003eSmart Battery Management:\u003c\/strong\u003e Integrated \u003cstrong data-start=\"987\" data-end=\"1022\"\u003eBattery Management System (BMS)\u003c\/strong\u003e protects against overcharge, overdischarge, and electrical faults for enhanced reliability and safety. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1166\" data-end=\"1393\"\u003e\n\u003cp data-start=\"1168\" data-end=\"1393\"\u003e\u003cstrong data-start=\"1168\" data-end=\"1209\"\u003eBuilt‑In Jump Feature \u0026amp; Connectivity:\u003c\/strong\u003e Convenience features like internal jump‑start capability and optional Bluetooth monitoring (via app) give real‑time status and added usability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"376\" data-end=\"633\"\u003e\u003cstrong data-start=\"376\" data-end=\"425\"\u003eQ: What vehicle is this battery designed for?\u003c\/strong\u003e\u003cbr data-start=\"425\" data-end=\"428\"\u003e\u003cstrong data-start=\"428\" data-end=\"434\"\u003eA:\u003c\/strong\u003e A \u003cstrong data-start=\"437\" data-end=\"493\"\u003eBCI Group 49 \/ H8 lithium LiFePO₄ automotive battery\u003c\/strong\u003e ideal as a replacement for the \u003cstrong data-start=\"525\" data-end=\"549\"\u003e2005 Audi A4 Quattro\u003c\/strong\u003e and other vehicles requiring Group 49 sizing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"635\" data-end=\"891\"\u003e\u003cstrong data-start=\"635\" data-end=\"707\"\u003eQ: What type of battery technology does the PowerTex PTLG49‑316 use?\u003c\/strong\u003e\u003cbr data-start=\"707\" data-end=\"710\"\u003e\u003cstrong data-start=\"710\" data-end=\"716\"\u003eA:\u003c\/strong\u003e \u003cstrong data-start=\"717\" data-end=\"753\"\u003eLithium Iron Phosphate (LiFePO₄)\u003c\/strong\u003e, offering superior performance, safety, and durability compared to traditional lead‑acid batteries. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"893\" data-end=\"1146\"\u003e\u003cstrong data-start=\"893\" data-end=\"948\"\u003eQ: What are the key benefits of LiFePO₄ technology?\u003c\/strong\u003e\u003cbr data-start=\"948\" data-end=\"951\"\u003e\u003cstrong data-start=\"951\" data-end=\"957\"\u003eA:\u003c\/strong\u003e \u003cstrong data-start=\"958\" data-end=\"976\"\u003eLighter weight\u003c\/strong\u003e, \u003cstrong data-start=\"978\" data-end=\"1001\"\u003eextended cycle life\u003c\/strong\u003e, \u003cstrong data-start=\"1003\" data-end=\"1029\"\u003estable energy delivery\u003c\/strong\u003e, and \u003cstrong data-start=\"1035\" data-end=\"1065\"\u003eenhanced thermal tolerance\u003c\/strong\u003e for reliable starts and long service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1148\" data-end=\"1409\"\u003e\u003cstrong data-start=\"1148\" data-end=\"1208\"\u003eQ: Is this a direct replacement for the factory battery?\u003c\/strong\u003e\u003cbr data-start=\"1208\" data-end=\"1211\"\u003e\u003cstrong data-start=\"1211\" data-end=\"1217\"\u003eA:\u003c\/strong\u003e Yes — designed to match \u003cstrong data-start=\"1242\" data-end=\"1263\"\u003eBCI Group 49 \/ H8\u003c\/strong\u003e dimensions and electrical specs for a \u003cstrong data-start=\"1302\" data-end=\"1317\"\u003edrop‑in fit\u003c\/strong\u003e in compatible vehicles like the 2005 Audi A4 Quattro. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1411\" data-end=\"1622\"\u003e\u003cstrong data-start=\"1411\" data-end=\"1458\"\u003eQ: How does it improve vehicle performance?\u003c\/strong\u003e\u003cbr data-start=\"1458\" data-end=\"1461\"\u003e\u003cstrong data-start=\"1461\" data-end=\"1467\"\u003eA:\u003c\/strong\u003e Provides \u003cstrong data-start=\"1477\" data-end=\"1506\"\u003econsistent starting power\u003c\/strong\u003e, high cranking amps, and \u003cstrong data-start=\"1532\" data-end=\"1562\"\u003ereliable electrical output\u003c\/strong\u003e for everyday driving. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1624\" data-end=\"1861\"\u003e\u003cstrong data-start=\"1624\" data-end=\"1690\"\u003eQ: Does the battery include any safety or protection features?\u003c\/strong\u003e\u003cbr data-start=\"1690\" data-end=\"1693\"\u003e\u003cstrong data-start=\"1693\" data-end=\"1699\"\u003eA:\u003c\/strong\u003e LiFePO₄ chemistries typically offer \u003cstrong data-start=\"1736\" data-end=\"1767\"\u003ebuilt‑in safety protections\u003c\/strong\u003e against overcharge, over‑discharge, and short circuits. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1863\" data-end=\"2031\"\u003e\u003cstrong data-start=\"1863\" data-end=\"1894\"\u003eQ: Is maintenance required?\u003c\/strong\u003e\u003cbr data-start=\"1894\" data-end=\"1897\"\u003e\u003cstrong data-start=\"1897\" data-end=\"1903\"\u003eA:\u003c\/strong\u003e Maintenance‑free design — no regular fluid checks or topping up like lead‑acid batteries. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2033\" data-end=\"2306\"\u003e\u003cstrong data-start=\"2033\" data-end=\"2101\"\u003eQ: Why choose this PowerTex battery over conventional lead‑acid?\u003c\/strong\u003e\u003cbr data-start=\"2101\" data-end=\"2104\"\u003e\u003cstrong data-start=\"2104\" data-end=\"2110\"\u003eA:\u003c\/strong\u003e Offers \u003cstrong data-start=\"2118\" data-end=\"2137\"\u003elonger lifespan\u003c\/strong\u003e, \u003cstrong data-start=\"2139\" data-end=\"2159\"\u003eweight reduction\u003c\/strong\u003e, \u003cstrong data-start=\"2161\" data-end=\"2189\"\u003ebetter thermal stability\u003c\/strong\u003e, and \u003cstrong data-start=\"2195\" data-end=\"2219\"\u003eimproved reliability\u003c\/strong\u003e — perfect for daily use and performance driving. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"83\" data-end=\"165\"\u003e\n\u003cp data-start=\"85\" data-end=\"165\"\u003e\u003cstrong data-start=\"85\" data-end=\"111\"\u003eCheck voltage monthly:\u003c\/strong\u003e Use a quality voltmeter to monitor state of charge.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"166\" data-end=\"256\"\u003e\n\u003cp data-start=\"168\" data-end=\"256\"\u003e\u003cstrong data-start=\"168\" data-end=\"193\"\u003eKeep terminals clean:\u003c\/strong\u003e Remove corrosion with a baking soda solution and soft brush.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"257\" data-end=\"355\"\u003e\n\u003cp data-start=\"259\" data-end=\"355\"\u003e\u003cstrong data-start=\"259\" data-end=\"287\"\u003eSecure battery mounting:\u003c\/strong\u003e Ensure the battery is firmly fastened to reduce vibration stress.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"356\" data-end=\"477\"\u003e\n\u003cp data-start=\"358\" data-end=\"477\"\u003e\u003cstrong data-start=\"358\" data-end=\"386\"\u003eUse the correct charger:\u003c\/strong\u003e Recharge only with a \u003cstrong data-start=\"408\" data-end=\"438\" data-is-only-node=\"\"\u003eLiFePO₄‑compatible charger\u003c\/strong\u003e — avoid standard lead‑acid chargers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"478\" data-end=\"568\"\u003e\n\u003cp data-start=\"480\" data-end=\"568\"\u003e\u003cstrong data-start=\"480\" data-end=\"505\"\u003eAvoid deep discharge:\u003c\/strong\u003e Recharge promptly after use; don’t let voltage drop too low.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"569\" data-end=\"662\"\u003e\n\u003cp data-start=\"571\" data-end=\"662\"\u003e\u003cstrong data-start=\"571\" data-end=\"592\"\u003eTemperature care:\u003c\/strong\u003e Protect the battery from extreme heat or cold for best performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"663\" data-end=\"760\"\u003e\n\u003cp data-start=\"665\" data-end=\"760\"\u003e\u003cstrong data-start=\"665\" data-end=\"687\"\u003eInspect regularly:\u003c\/strong\u003e Check for swelling, damage, or loose connections; fix issues promptly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"761\" data-end=\"873\"\u003e\n\u003cp data-start=\"763\" data-end=\"873\"\u003e\u003cstrong data-start=\"763\" data-end=\"797\"\u003eBalance charge if recommended:\u003c\/strong\u003e Perform balance charging per manufacturer guidance to keep cells healthy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"874\" data-end=\"989\"\u003e\n\u003cp data-start=\"876\" data-end=\"989\"\u003e\u003cstrong data-start=\"876\" data-end=\"895\"\u003eProper storage:\u003c\/strong\u003e For long storage periods, maintain ~50–70% charge and disconnect to reduce parasitic drain.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"990\" data-end=\"1087\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"992\" data-end=\"1087\" data-is-last-node=\"\"\u003e\u003cstrong data-start=\"992\" data-end=\"1027\"\u003eFollow manufacturer guidelines:\u003c\/strong\u003e Adhere to PowerTex care, safety, and warranty instructions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PowerTex","offers":[{"title":"Default Title","offer_id":45448178696252,"sku":"PTLG49-288","price":674.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/6151\/5324\/files\/Powertex-Batteries-BCI-group-49-lithium-iron-phosphate-LiFePO4-automotive-car-battery-PTLG49_4a2c96bf-3a10-4d2d-9e7e-e09941442c1a.jpg?v=1779943012","url":"https:\/\/e-powergo.com\/products\/2009-audi-s4-car-battery-bci-group-49-h8-lithium-lifepo4-automotive-battery","provider":"Set Up Your Ultimate Retreat","version":"1.0","type":"link"}