{"product_id":"powertex-2021-bmw-740i-car-battery-bci-group-49-h8-replacement-lithium-lifepo4-automotive-battery","title":"PowerTex 2021 BMW 740i Car Battery BCI Group 49 \/ H8 Replacement Lithium LiFePO4 Automotive Battery","description":"\u003ch2 class=\"hdt-product__title hdt-font-normal\"\u003ePowerTex 2021 BMW 740i 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=\"237\" data-end=\"414\"\u003e\n\u003cstrong data-start=\"239\" data-end=\"267\"\u003eLightweight \u0026amp; High Power\u003c\/strong\u003e: LiFePO4 technology provides strong starting power while being significantly lighter than traditional lead-acid batteries, improving efficiency.\u003c\/li\u003e\n\u003cli data-start=\"415\" data-end=\"559\"\u003e\n\u003cstrong data-start=\"417\" data-end=\"445\"\u003eLong-Lasting Performance\u003c\/strong\u003e: Lasts up to four times longer than conventional batteries, reducing replacement frequency and long-term costs.\u003c\/li\u003e\n\u003cli data-start=\"560\" data-end=\"679\"\u003e\n\u003cstrong data-start=\"562\" data-end=\"599\"\u003eFast Charging \u0026amp; Consistent Output\u003c\/strong\u003e: Charges quickly and delivers stable voltage for optimal vehicle performance.\u003c\/li\u003e\n\u003cli data-start=\"680\" data-end=\"783\"\u003e\n\u003cstrong data-start=\"682\" data-end=\"702\"\u003eMaintenance-Free\u003c\/strong\u003e: No water refills or regular upkeep required, offering a hassle-free solution.\u003c\/li\u003e\n\u003cli data-start=\"784\" data-end=\"917\"\u003e\n\u003cstrong data-start=\"786\" data-end=\"814\"\u003eAdvanced Safety Features\u003c\/strong\u003e: Built-in protection against overcharging, overheating, and short circuits for enhanced reliability.\u003c\/li\u003e\n\u003cli data-start=\"918\" data-end=\"1031\"\u003e\n\u003cstrong data-start=\"920\" data-end=\"943\"\u003eEco-Friendly Choice\u003c\/strong\u003e: Free of toxic lead and acid, making it a more sustainable automotive power solution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"0\" data-end=\"499\"\u003e\u003cstrong data-start=\"0\" data-end=\"103\"\u003eQ: What are the features of the PowerTex 2021 BMW 740i Car Battery (BCI Group 49 \/ H8 Replacement)?\u003c\/strong\u003e\u003cbr data-start=\"103\" data-end=\"106\"\u003eA: The PowerTex BCI Group 49 \/ H8 Lithium LiFePO4 battery is a high-performance replacement battery for the 2021 BMW 740i. It features advanced LiFePO4 (Lithium Iron Phosphate) technology, providing superior power, longer lifespan, faster charging, and reduced weight compared to traditional lead-acid batteries. It also offers improved safety and thermal stability for enhanced reliability.\u003c\/p\u003e\n\u003cp data-start=\"501\" data-end=\"819\"\u003e\u003cstrong data-start=\"501\" data-end=\"574\"\u003eQ: Why choose a LiFePO4 battery over a traditional lead-acid battery?\u003c\/strong\u003e\u003cbr data-start=\"574\" data-end=\"577\"\u003eA: LiFePO4 batteries last significantly longer (5-10 years), charge faster, weigh less, and provide consistent power output. They are also maintenance-free and have built-in protections against overcharging, overheating, and short circuits.\u003c\/p\u003e\n\u003cp data-start=\"821\" data-end=\"1117\"\u003e\u003cstrong data-start=\"821\" data-end=\"894\"\u003eQ: Is the PowerTex LiFePO4 battery compatible with the 2021 BMW 740i?\u003c\/strong\u003e\u003cbr data-start=\"894\" data-end=\"897\"\u003eA: Yes, this battery is designed as a direct replacement for the BCI Group 49 (H8) battery used in the 2021 BMW 740i. However, it’s always recommended to verify fitment with your vehicle specifications before purchase.\u003c\/p\u003e\n\u003cp data-start=\"1119\" data-end=\"1414\"\u003e\u003cstrong data-start=\"1119\" data-end=\"1216\"\u003eQ: How much lighter is the PowerTex LiFePO4 battery compared to a standard lead-acid battery?\u003c\/strong\u003e\u003cbr data-start=\"1216\" data-end=\"1219\"\u003eA: LiFePO4 batteries are significantly lighter, often weighing up to 50% less than traditional lead-acid batteries. This weight reduction can improve overall vehicle efficiency and performance.\u003c\/p\u003e\n\u003cp data-start=\"1416\" data-end=\"1661\"\u003e\u003cstrong data-start=\"1416\" data-end=\"1476\"\u003eQ: What is the lifespan of the PowerTex LiFePO4 battery?\u003c\/strong\u003e\u003cbr data-start=\"1476\" data-end=\"1479\"\u003eA: LiFePO4 batteries typically last 3,000-5,000 charge cycles, which translates to an expected lifespan of up to 10 years—significantly longer than traditional lead-acid batteries.\u003c\/p\u003e\n\u003cp data-start=\"1663\" data-end=\"1928\"\u003e\u003cstrong data-start=\"1663\" data-end=\"1724\"\u003eQ: Does the PowerTex LiFePO4 battery require maintenance?\u003c\/strong\u003e\u003cbr data-start=\"1724\" data-end=\"1727\"\u003eA: No, LiFePO4 batteries are maintenance-free and do not require periodic fluid top-offs like lead-acid batteries. They also have a lower self-discharge rate, making them ideal for long-term storage.\u003c\/p\u003e\n\u003cp data-start=\"1930\" data-end=\"2202\"\u003e\u003cstrong data-start=\"1930\" data-end=\"1998\"\u003eQ: Can the PowerTex LiFePO4 battery handle extreme temperatures?\u003c\/strong\u003e\u003cbr data-start=\"1998\" data-end=\"2001\"\u003eA: Yes, LiFePO4 batteries perform well in a wide range of temperatures, though extreme cold may reduce efficiency. Some models include built-in heating technology for better cold-weather performance.\u003c\/p\u003e\n\u003cp data-start=\"2204\" data-end=\"2483\"\u003e\u003cstrong data-start=\"2204\" data-end=\"2248\"\u003eQ: Is the PowerTex LiFePO4 battery safe?\u003c\/strong\u003e\u003cbr data-start=\"2248\" data-end=\"2251\"\u003eA: Yes, LiFePO4 is one of the safest lithium battery chemistries. It has built-in protections against overheating, overcharging, and short circuits, making it a safer alternative to traditional lithium-ion and lead-acid batteries.\u003c\/p\u003e\n\u003cp data-start=\"2485\" data-end=\"2724\"\u003e\u003cstrong data-start=\"2485\" data-end=\"2542\"\u003eQ: How fast does the PowerTex LiFePO4 battery charge?\u003c\/strong\u003e\u003cbr data-start=\"2542\" data-end=\"2545\"\u003eA: LiFePO4 batteries charge much faster than lead-acid batteries, often reaching full charge in a fraction of the time, especially when paired with a lithium-compatible charger.\u003c\/p\u003e\n\u003cp data-start=\"2726\" data-end=\"2970\"\u003e\u003cstrong data-start=\"2726\" data-end=\"2793\"\u003eQ: Does the PowerTex LiFePO4 battery require a special charger?\u003c\/strong\u003e\u003cbr data-start=\"2793\" data-end=\"2796\"\u003eA: While some vehicles can charge LiFePO4 batteries using their standard alternator, using a lithium-compatible charger is recommended to maximize performance and lifespan.\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"118\" data-end=\"301\"\u003e\n\u003cstrong data-start=\"121\" data-end=\"149\"\u003eUse a Compatible Charger\u003c\/strong\u003e: Only charge the battery with a \u003cstrong data-start=\"182\" data-end=\"212\"\u003eLiFePO4-compatible charger\u003c\/strong\u003e. Avoid using traditional lead-acid battery chargers, as they can damage lithium cells.\u003c\/li\u003e\n\u003cli data-start=\"302\" data-end=\"475\"\u003e\n\u003cstrong data-start=\"305\" data-end=\"331\"\u003eMonitor Voltage Levels\u003c\/strong\u003e: A fully charged \u003cstrong data-start=\"349\" data-end=\"394\"\u003eLiFePO4 battery should read 13.6V – 14.6V\u003c\/strong\u003e. Avoid discharging below \u003cstrong data-start=\"420\" data-end=\"427\" data-is-only-node=\"\"\u003e10V\u003c\/strong\u003e, as deep discharges can shorten battery life.\u003c\/li\u003e\n\u003cli data-start=\"476\" data-end=\"691\"\u003e\n\u003cstrong data-start=\"479\" data-end=\"509\"\u003eAvoid Extreme Temperatures\u003c\/strong\u003e: Operate within the recommended temperature range. \u003cstrong data-start=\"561\" data-end=\"585\"\u003eExtreme heat or cold\u003c\/strong\u003e can affect performance—avoid charging in freezing temperatures unless the battery has built-in heating.\u003c\/li\u003e\n\u003cli data-start=\"692\" data-end=\"877\"\u003e\n\u003cstrong data-start=\"695\" data-end=\"718\"\u003eSecure Installation\u003c\/strong\u003e: Ensure the battery is properly mounted to \u003cstrong data-start=\"762\" data-end=\"797\"\u003eprevent vibrations and movement\u003c\/strong\u003e that could damage internal components. Use appropriate brackets if necessary.\u003c\/li\u003e\n\u003cli data-start=\"878\" data-end=\"1058\"\u003e\n\u003cstrong data-start=\"881\" data-end=\"910\"\u003eCheck and Clean Terminals\u003c\/strong\u003e: Inspect battery terminals regularly for corrosion or dirt buildup. Use a \u003cstrong data-start=\"985\" data-end=\"998\"\u003edry cloth\u003c\/strong\u003e or mild \u003cstrong data-start=\"1007\" data-end=\"1031\" data-is-only-node=\"\"\u003ebaking soda solution\u003c\/strong\u003e to clean them if needed.\u003c\/li\u003e\n\u003cli data-start=\"1059\" data-end=\"1228\"\u003e\n\u003cstrong data-start=\"1062\" data-end=\"1089\"\u003ePrevent Deep Discharges\u003c\/strong\u003e: Keep charge levels \u003cstrong data-start=\"1110\" data-end=\"1123\"\u003eabove 20%\u003c\/strong\u003e whenever possible. LiFePO4 batteries last longer when they \u003cstrong data-start=\"1183\" data-end=\"1207\" data-is-only-node=\"\"\u003earen’t fully drained\u003c\/strong\u003e before recharging.\u003c\/li\u003e\n\u003cli data-start=\"1229\" data-end=\"1424\"\u003e\n\u003cstrong data-start=\"1232\" data-end=\"1279\"\u003eMonitor the Battery Management System (BMS)\u003c\/strong\u003e: If equipped, ensure the \u003cstrong data-start=\"1305\" data-end=\"1336\"\u003eBMS is functioning properly\u003c\/strong\u003e to regulate charge levels, prevent over-discharge, and manage temperature protection.\u003c\/li\u003e\n\u003cli data-start=\"1425\" data-end=\"1618\"\u003e\n\u003cstrong data-start=\"1428\" data-end=\"1464\"\u003eDisconnect for Long-Term Storage\u003c\/strong\u003e: If the vehicle is parked for extended periods, disconnect the battery and store it at around \u003cstrong data-start=\"1559\" data-end=\"1573\"\u003e50% charge\u003c\/strong\u003e in a cool, dry place to preserve lifespan.\u003c\/li\u003e\n\u003cli data-start=\"1619\" data-end=\"1817\"\u003e\n\u003cstrong data-start=\"1622\" data-end=\"1656\"\u003eCheck Alternator Compatibility\u003c\/strong\u003e: Verify that your \u003cstrong data-start=\"1675\" data-end=\"1713\"\u003evehicle’s alternator is compatible\u003c\/strong\u003e with LiFePO4 batteries. Some systems may require an adjustment to match the lithium charging profile.\u003c\/li\u003e\n\u003cli data-start=\"1818\" data-end=\"2012\"\u003e\n\u003cstrong data-start=\"1822\" data-end=\"1842\"\u003eHandle with Care\u003c\/strong\u003e: Avoid \u003cstrong data-start=\"1850\" data-end=\"1868\"\u003eshort circuits\u003c\/strong\u003e by keeping tools and metal objects away from the terminals. Never drop or puncture the battery, as damage to internal cells can be hazardous.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PowerTex","offers":[{"title":"Default Title","offer_id":49553638949057,"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_5861836c-1f7c-4dff-890e-0de87c3efb88.jpg?v=1758482009","url":"https:\/\/offgrid-go.com\/products\/powertex-2021-bmw-740i-car-battery-bci-group-49-h8-replacement-lithium-lifepo4-automotive-battery","provider":"Luxury For Every Home Corner","version":"1.0","type":"link"}