{"product_id":"powertex-2018-bmw-440i-xdrive-gran-coupe-car-battery-bci-group-49-h8-replacement-lithium-lifepo4-automotive-battery","title":"PowerTex 2018 BMW 440i xDrive Gran Coupe Car Battery BCI Group 49 \/ H8 Replacement Lithium LiFePO4 Automotive Battery","description":"\u003ch2 class=\"hdt-product__title hdt-font-normal\"\u003ePowerTex 2018 BMW 440i xDrive Gran Coupe Car Battery BCI Group 49 \/ H8 Replacement Lithium LiFePO4 Automotive Battery\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eConcerned About The Safety of Powertex LiFePO4 Car Batteries?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\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\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnveiling the Key Attributes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximized Longevity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eElevate 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\u003cspan\u003e \u003c\/span\u003eElevate 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\u003cspan\u003e \u003c\/span\u003eNever 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\u003cspan\u003e \u003c\/span\u003eTrust in the highest quality and reliability with UL-certified Grade A cells, delivering unmatched performance and peace of mind.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cstyle type=\"text\/css\"\u003e\n.tg  {border-collapse:collapse;border-spacing:0;}\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg .tg-mcqj{border-color:#000000;font-weight:bold;text-align:left;vertical-align:top}\n.tg .tg-73oq{border-color:#000000;text-align:left;vertical-align:top}\n\u003c\/style\u003e\n\u003ctable class=\"tg\" style=\"width: 100%; height: 272.126px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth class=\"tg-mcqj\" style=\"width: 53.5398%; height: 19.5938px;\"\u003eModel\u003c\/th\u003e\n\u003cth class=\"tg-73oq\" style=\"width: 42.2784%; height: 19.5938px;\"\u003ePTLG49\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"tg-mcqj\" style=\"width: 53.5398%; height: 19.5938px;\"\u003eDimensions (L×W×H)\u003c\/td\u003e\n\u003ctd class=\"tg-73oq\" style=\"width: 42.2784%; height: 19.5938px;\"\u003e14.0 × 6.9 × 7.4 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"tg-mcqj\" style=\"width: 53.5398%; height: 19.5938px;\"\u003eTerminal\u003c\/td\u003e\n\u003ctd class=\"tg-73oq\" style=\"width: 42.2784%; height: 19.5938px;\"\u003eStandard (STD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"tg-mcqj\" style=\"width: 53.5398%; height: 19.5938px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd class=\"tg-73oq\" style=\"width: 42.2784%; height: 19.5938px;\"\u003e19.8 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"tg-mcqj\" style=\"width: 53.5398%; height: 19.5938px;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd class=\"tg-73oq\" style=\"width: 42.2784%; height: 19.5938px;\"\u003e12.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"tg-mcqj\" style=\"width: 53.5398%; height: 19.5938px;\"\u003eCapacity\u003c\/td\u003e\n\u003ctd class=\"tg-73oq\" style=\"width: 42.2784%; height: 19.5938px;\"\u003e60 Amp Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"tg-mcqj\" style=\"width: 53.5398%; height: 19.5938px;\"\u003ePower\u003c\/td\u003e\n\u003ctd class=\"tg-73oq\" style=\"width: 42.2784%; height: 19.5938px;\"\u003e768 Watt Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"tg-mcqj\" style=\"width: 53.5398%; height: 19.5938px;\"\u003eCranking Amps (CA)\u003c\/td\u003e\n\u003ctd class=\"tg-73oq\" style=\"width: 42.2784%; height: 19.5938px;\"\u003e1500 CA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"tg-mcqj\" style=\"width: 53.5398%; height: 19.5938px;\"\u003eCold Cranking Amps (CCA)\u003c\/td\u003e\n\u003ctd class=\"tg-73oq\" style=\"width: 42.2784%; height: 19.5938px;\"\u003e1000 CCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"tg-mcqj\" style=\"width: 53.5398%; height: 19.5938px;\"\u003eCharging Voltage\u003c\/td\u003e\n\u003ctd class=\"tg-73oq\" style=\"width: 42.2784%; height: 19.5938px;\"\u003e14.2V ~ 14.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd class=\"tg-mcqj\" style=\"width: 53.5398%; height: 19.5938px;\"\u003eCharging Current\u003c\/td\u003e\n\u003ctd class=\"tg-73oq\" style=\"width: 42.2784%; height: 19.5938px;\"\u003e30A ~ 150A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 56.5938px;\"\u003e\n\u003ctd class=\"tg-mcqj\" style=\"width: 53.5398%; height: 56.5938px;\"\u003eInternal Resistance\u003c\/td\u003e\n\u003ctd class=\"tg-73oq\" style=\"width: 42.2784%; height: 56.5938px;\"\u003e\u0026lt; 30mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eWhat Our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"30\" data-end=\"260\"\u003e\n\u003cstrong data-start=\"32\" data-end=\"64\"\u003eSuperior Power \u0026amp; Efficiency:\u003c\/strong\u003e The \u003cstrong data-start=\"69\" data-end=\"97\"\u003ePowerTex Lithium LiFePO4\u003c\/strong\u003e battery is specifically designed to deliver outstanding power and efficiency for the \u003cstrong data-start=\"183\" data-end=\"218\" data-is-only-node=\"\"\u003e2018 BMW 440i xDrive Gran Coupe\u003c\/strong\u003e, enhancing overall vehicle performance.\u003c\/li\u003e\n\u003cli data-start=\"261\" data-end=\"428\"\u003e\n\u003cstrong data-start=\"263\" data-end=\"294\"\u003eLightweight \u0026amp; Space-Saving:\u003c\/strong\u003e Significantly lighter than traditional lead-acid batteries, it improves fuel efficiency and handling while reducing vehicle weight.\u003c\/li\u003e\n\u003cli data-start=\"429\" data-end=\"574\"\u003e\n\u003cstrong data-start=\"431\" data-end=\"455\"\u003eLonger Battery Life:\u003c\/strong\u003e Lasts \u003cstrong data-start=\"462\" data-end=\"477\"\u003e3-4X longer\u003c\/strong\u003e than standard batteries, minimizing replacement costs and offering more reliability over time.\u003c\/li\u003e\n\u003cli data-start=\"575\" data-end=\"724\"\u003e\n\u003cstrong data-start=\"577\" data-end=\"605\"\u003eReliable Starting Power:\u003c\/strong\u003e High cold cranking amps (CCA) ensure dependable starts even in freezing weather, providing peace of mind year-round.\u003c\/li\u003e\n\u003cli data-start=\"725\" data-end=\"892\"\u003e\n\u003cstrong data-start=\"727\" data-end=\"748\"\u003eSmart Protection:\u003c\/strong\u003e Features an integrated \u003cstrong data-start=\"772\" data-end=\"807\"\u003eBattery Management System (BMS)\u003c\/strong\u003e to prevent overcharging, overheating, and short circuits, ensuring maximum safety.\u003c\/li\u003e\n\u003cli data-start=\"893\" data-end=\"1007\"\u003e\n\u003cstrong data-start=\"895\" data-end=\"912\"\u003eEco-Friendly:\u003c\/strong\u003e Free from toxic lead and acid, providing a greener and more sustainable battery alternative.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"0\" data-end=\"212\"\u003e\u003cstrong data-start=\"0\" data-end=\"99\"\u003eQ: Is the PowerTex Lithium Battery a direct replacement for my 2018 BMW 440i xDrive Gran Coupe?\u003c\/strong\u003e\u003cbr data-start=\"99\" data-end=\"102\"\u003eA: Yes, it directly replaces BCI Group 49 \/ H8 batteries, offering superior performance and extended lifespan.\u003c\/p\u003e\n\u003cp data-start=\"214\" data-end=\"428\"\u003e\u003cstrong data-start=\"214\" data-end=\"291\"\u003eQ: What are the benefits of a LiFePO4 battery over traditional lead-acid?\u003c\/strong\u003e\u003cbr data-start=\"291\" data-end=\"294\"\u003eA: LiFePO4 batteries are lighter, charge faster, last 3–5 times longer, and provide more consistent power with better safety features.\u003c\/p\u003e\n\u003cp data-start=\"430\" data-end=\"581\"\u003e\u003cstrong data-start=\"430\" data-end=\"484\"\u003eQ: Does this battery require special installation?\u003c\/strong\u003e\u003cbr data-start=\"484\" data-end=\"487\"\u003eA: No, it installs just like a standard battery with no special tools or maintenance required.\u003c\/p\u003e\n\u003cp data-start=\"583\" data-end=\"780\"\u003e\u003cstrong data-start=\"583\" data-end=\"673\"\u003eQ: Is this battery compatible with the BMW 440i xDrive Gran Coupe’s electrical system?\u003c\/strong\u003e\u003cbr data-start=\"673\" data-end=\"676\"\u003eA: Yes, it’s fully compatible with the 2018 BMW 440i xDrive Gran Coupe, including the start-stop system.\u003c\/p\u003e\n\u003cp data-start=\"782\" data-end=\"953\"\u003e\u003cstrong data-start=\"782\" data-end=\"838\"\u003eQ: How does this battery affect vehicle performance?\u003c\/strong\u003e\u003cbr data-start=\"838\" data-end=\"841\"\u003eA: The lightweight design reduces overall vehicle weight, enhancing acceleration, fuel efficiency, and handling.\u003c\/p\u003e\n\u003cp data-start=\"955\" data-end=\"1126\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"955\" data-end=\"1022\"\u003eQ: Can this battery perform well in extreme weather conditions?\u003c\/strong\u003e\u003cbr data-start=\"1022\" data-end=\"1025\"\u003eA: Yes, it operates reliably in both hot and cold temperatures, ensuring consistent power year-round.\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"164\" data-end=\"376\"\u003e\n\u003cp data-start=\"167\" data-end=\"376\"\u003e\u003cstrong data-start=\"167\" data-end=\"203\"\u003eUse a Lithium-Compatible Charger\u003c\/strong\u003e – Always charge with a \u003cstrong data-start=\"227\" data-end=\"255\"\u003eLiFePO4-specific charger\u003c\/strong\u003e. Avoid using lead-acid chargers as they may overcharge the battery and damage the internal cells, reducing battery life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"378\" data-end=\"568\"\u003e\n\u003cp data-start=\"381\" data-end=\"568\"\u003e\u003cstrong data-start=\"381\" data-end=\"424\"\u003eMaintain Charge Levels Between 20%–100%\u003c\/strong\u003e – To maximize battery life, keep the charge between \u003cstrong data-start=\"477\" data-end=\"493\"\u003e20% and 100%\u003c\/strong\u003e. Avoid letting the battery drop below \u003cstrong data-start=\"532\" data-end=\"539\"\u003e10V\u003c\/strong\u003e to prevent permanent damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"570\" data-end=\"772\"\u003e\n\u003cp data-start=\"573\" data-end=\"772\"\u003e\u003cstrong data-start=\"573\" data-end=\"602\"\u003eOptimal Temperature Range\u003c\/strong\u003e – LiFePO4 batteries perform best in temperatures between \u003cstrong data-start=\"660\" data-end=\"678\"\u003e-4°F and 140°F\u003c\/strong\u003e. Always ensure the battery temperature stays above \u003cstrong data-start=\"730\" data-end=\"738\"\u003e32°F\u003c\/strong\u003e when charging for safe operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"774\" data-end=\"952\"\u003e\n\u003cp data-start=\"777\" data-end=\"952\"\u003e\u003cstrong data-start=\"777\" data-end=\"800\"\u003eSecure Installation\u003c\/strong\u003e – Make sure the battery is properly mounted and secured to prevent vibrations, which can damage internal components and shorten the battery's lifespan.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"954\" data-end=\"1157\"\u003e\n\u003cp data-start=\"957\" data-end=\"1157\"\u003e\u003cstrong data-start=\"957\" data-end=\"989\"\u003eRegular Terminal Inspections\u003c\/strong\u003e – Periodically check the battery terminals for corrosion or loose connections. Use \u003cstrong data-start=\"1073\" data-end=\"1094\"\u003edielectric grease\u003c\/strong\u003e to prevent oxidation and ensure a solid electrical connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1159\" data-end=\"1354\"\u003e\n\u003cp data-start=\"1162\" data-end=\"1354\"\u003e\u003cstrong data-start=\"1162\" data-end=\"1190\"\u003eProper Storage Practices\u003c\/strong\u003e – When storing the battery for long periods, maintain it at \u003cstrong data-start=\"1251\" data-end=\"1268\"\u003e50-80% charge\u003c\/strong\u003e and store in a cool, dry location. Disconnect the battery to prevent parasitic drain.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1356\" data-end=\"1608\"\u003e\n\u003cp data-start=\"1359\" data-end=\"1608\"\u003e\u003cstrong data-start=\"1359\" data-end=\"1407\"\u003eAvoid Jump-Starting with Lead-Acid Batteries\u003c\/strong\u003e – Never jump-start the vehicle with a traditional lead-acid battery, as it can cause harmful voltage spikes that damage the \u003cstrong data-start=\"1532\" data-end=\"1567\"\u003eBattery Management System (BMS)\u003c\/strong\u003e. Use the proper jump-starting equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1610\" data-end=\"1803\"\u003e\n\u003cp data-start=\"1613\" data-end=\"1803\"\u003e\u003cstrong data-start=\"1613\" data-end=\"1660\"\u003eMonitor the Battery Management System (BMS)\u003c\/strong\u003e – The \u003cstrong data-start=\"1667\" data-end=\"1674\"\u003eBMS\u003c\/strong\u003e protects the battery from overcharging, deep discharges, and overheating. If the BMS shuts down, let it reset before recharging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1805\" data-end=\"1982\"\u003e\n\u003cp data-start=\"1808\" data-end=\"1982\"\u003e\u003cstrong data-start=\"1808\" data-end=\"1833\"\u003eLimit Deep Discharges\u003c\/strong\u003e – While LiFePO4 batteries handle deep discharges better than lead-acid, avoid draining the battery below \u003cstrong data-start=\"1939\" data-end=\"1946\"\u003e20%\u003c\/strong\u003e frequently to prolong its lifespan.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1984\" data-end=\"2193\"\u003e\n\u003cp data-start=\"1988\" data-end=\"2193\"\u003e\u003cstrong data-start=\"1988\" data-end=\"2027\"\u003eFollow Manufacturer Recommendations\u003c\/strong\u003e – Adhere to PowerTex's guidelines for maintenance, charging, and care to ensure your \u003cstrong data-start=\"2113\" data-end=\"2132\"\u003eLiFePO4 battery\u003c\/strong\u003e stays in optimal condition, delivering reliable performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PowerTex","offers":[{"title":"Default Title","offer_id":49553639702721,"sku":null,"price":677.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/4843\/7953\/files\/Powertex-Batteries-BCI-group-49-lithium-iron-phosphate-LiFePO4-automotive-car-battery-PTLG49_2_646851d5-c803-4b85-90d9-dc415088f71e.jpg?v=1758482045","url":"https:\/\/offgrid-go.com\/products\/powertex-2018-bmw-440i-xdrive-gran-coupe-car-battery-bci-group-49-h8-replacement-lithium-lifepo4-automotive-battery","provider":"Luxury For Every Home Corner","version":"1.0","type":"link"}