{"product_id":"2021-bmw-740i-car-battery-bci-group-49-h8-lithium-lifepo4-automotive-battery","title":"PowerTex 2021 BMW 740i Car Battery BCI Group 49 \/ H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-354","description":"\u003ch2\u003ePowerTex 2021 BMW 740i Car Battery BCI Group 49 \/ H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-354\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\u003eMaximized 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\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\u003cdiv\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"122\" data-end=\"355\"\u003e\n\u003cp data-start=\"124\" data-end=\"355\"\u003e\u003cstrong data-start=\"124\" data-end=\"163\"\u003eNext‑gen LiFePO₄ lithium technology\u003c\/strong\u003e — delivers \u003cstrong data-start=\"175\" data-end=\"225\"\u003emuch longer lifespan and higher energy density\u003c\/strong\u003e than traditional lead‑acid batteries, meaning \u003cstrong data-start=\"272\" data-end=\"314\"\u003ereliable starts and fewer replacements\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"356\" data-end=\"536\"\u003e\n\u003cp data-start=\"358\" data-end=\"536\"\u003e\u003cstrong data-start=\"358\" data-end=\"391\"\u003eUltra‑lightweight (~19.8 lbs)\u003c\/strong\u003e design trims over \u003cstrong data-start=\"410\" data-end=\"446\"\u003e30 lbs vs OEM Group 49 batteries\u003c\/strong\u003e, helping \u003cstrong data-start=\"456\" data-end=\"495\"\u003eimprove handling and responsiveness\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"537\" data-end=\"705\"\u003e\n\u003cp data-start=\"539\" data-end=\"705\"\u003e\u003cstrong data-start=\"539\" data-end=\"571\"\u003eRobust 12.8 V \/ 60 Ah output\u003c\/strong\u003e with strong \u003cstrong data-start=\"584\" data-end=\"608\"\u003e~1500 CA (~1000 CCA)\u003c\/strong\u003e ensures consistent starts in diverse weather conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"706\" data-end=\"896\"\u003e\n\u003cp data-start=\"708\" data-end=\"896\"\u003e\u003cstrong data-start=\"708\" data-end=\"754\"\u003eIntegrated Battery Management System (BMS)\u003c\/strong\u003e protects against \u003cstrong data-start=\"772\" data-end=\"822\"\u003eovercharge, over‑discharge, and short circuits\u003c\/strong\u003e for safer, long‑term performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"897\" data-end=\"1042\"\u003e\n\u003cp data-start=\"899\" data-end=\"1042\"\u003e\u003cstrong data-start=\"899\" data-end=\"933\"\u003eBuilt‑in jump‑start capability\u003c\/strong\u003e adds convenient self‑starting without external cables or jump boxes. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1043\" data-end=\"1208\"\u003e\n\u003cp data-start=\"1045\" data-end=\"1208\"\u003e\u003cstrong data-start=\"1045\" data-end=\"1077\"\u003eBluetooth monitoring support\u003c\/strong\u003e lets you \u003cstrong data-start=\"1087\" data-end=\"1144\"\u003etrack voltage and battery health from your smartphone\u003c\/strong\u003e for real‑time insights. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1209\" data-end=\"1380\"\u003e\n\u003cp data-start=\"1211\" data-end=\"1380\"\u003e\u003cstrong data-start=\"1211\" data-end=\"1253\"\u003eMaintenance‑free \u0026amp; corrosion‑resistant\u003c\/strong\u003e — no acid handling or regular upkeep needed, reducing under‑hood corrosion and hassle.\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=\"235\" data-end=\"566\"\u003e\u003cstrong data-start=\"235\" data-end=\"241\"\u003eQ:\u003c\/strong\u003e What is the \u003cstrong data-start=\"254\" data-end=\"296\"\u003ePowerTex PTLG49‑354 automotive battery\u003c\/strong\u003e?\u003cbr data-start=\"297\" data-end=\"300\"\u003e\u003cstrong data-start=\"300\" data-end=\"306\"\u003eA:\u003c\/strong\u003e A high‑performance \u003cstrong data-start=\"326\" data-end=\"363\"\u003e12.8 V LiFePO4 automotive battery\u003c\/strong\u003e engineered as a \u003cstrong data-start=\"380\" data-end=\"420\"\u003eBCI Group 49 \/ H8 direct replacement\u003c\/strong\u003e for vehicles such as the \u003cstrong data-start=\"446\" data-end=\"463\"\u003e2021 BMW 740i\u003c\/strong\u003e, providing reliable starting power and long‑lasting performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"568\" data-end=\"848\"\u003e\u003cstrong data-start=\"568\" data-end=\"574\"\u003eQ:\u003c\/strong\u003e What are its key specifications?\u003cbr data-start=\"607\" data-end=\"610\"\u003e\u003cstrong data-start=\"610\" data-end=\"616\"\u003eA:\u003c\/strong\u003e Typical specs include \u003cstrong data-start=\"639\" data-end=\"658\"\u003e≈60 Ah capacity\u003c\/strong\u003e, \u003cstrong data-start=\"660\" data-end=\"688\"\u003e~1500 cranking amps (CA)\u003c\/strong\u003e, \u003cstrong data-start=\"690\" data-end=\"723\"\u003e1000 cold cranking amps (CCA)\u003c\/strong\u003e, \u003cstrong data-start=\"725\" data-end=\"742\"\u003e12.8 V output\u003c\/strong\u003e, \u003cstrong data-start=\"744\" data-end=\"773\"\u003estandard Group 49\/H8 size\u003c\/strong\u003e, and a lightweight build (~19.8 lb). \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"850\" data-end=\"1198\"\u003e\u003cstrong data-start=\"850\" data-end=\"856\"\u003eQ:\u003c\/strong\u003e How does LiFePO4 technology benefit my vehicle?\u003cbr data-start=\"904\" data-end=\"907\"\u003e\u003cstrong data-start=\"907\" data-end=\"913\"\u003eA:\u003c\/strong\u003e LiFePO4 chemistry delivers \u003cstrong data-start=\"941\" data-end=\"973\"\u003esignificantly lighter weight\u003c\/strong\u003e, \u003cstrong data-start=\"975\" data-end=\"1001\"\u003ehigh energy efficiency\u003c\/strong\u003e, \u003cstrong data-start=\"1003\" data-end=\"1024\"\u003eextended lifespan\u003c\/strong\u003e, and \u003cstrong data-start=\"1030\" data-end=\"1060\"\u003emore stable power delivery\u003c\/strong\u003e compared with traditional lead‑acid batteries — helping improve vehicle efficiency and performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1200\" data-end=\"1540\"\u003e\u003cstrong data-start=\"1200\" data-end=\"1206\"\u003eQ:\u003c\/strong\u003e What safety and convenience features are included?\u003cbr data-start=\"1257\" data-end=\"1260\"\u003e\u003cstrong data-start=\"1260\" data-end=\"1266\"\u003eA:\u003c\/strong\u003e Includes a fully integrated \u003cstrong data-start=\"1295\" data-end=\"1330\"\u003eBattery Management System (BMS)\u003c\/strong\u003e that protects against overcharge, over‑discharge, and short circuits, \u003cstrong data-start=\"1401\" data-end=\"1435\"\u003ebuilt‑in jump‑start capability\u003c\/strong\u003e, and optional \u003cstrong data-start=\"1450\" data-end=\"1474\"\u003eBluetooth monitoring\u003c\/strong\u003e for real‑time battery data.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:38a557b8-9d17-4343-91c3-a37128df1564-21\" data-testid=\"conversation-turn-44\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"9efb5007-417d-4b0d-8f59-1b0ae696eba7\" dir=\"auto\" data-message-model-slug=\"gpt-5-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cul data-start=\"127\" data-end=\"1689\"\u003e\n\u003cli data-start=\"127\" data-end=\"374\"\u003e\n\u003cp data-start=\"129\" data-end=\"374\"\u003e\u003cstrong data-start=\"129\" data-end=\"167\"\u003eMaintenance‑Free LiFePO₄ with BMS:\u003c\/strong\u003e Built‑in Battery Management System protects against overcharge, deep discharge, and short circuits — no watering or regular cell maintenance like lead‑acid batteries. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"375\" data-end=\"589\"\u003e\n\u003cp data-start=\"377\" data-end=\"589\"\u003e\u003cstrong data-start=\"377\" data-end=\"414\"\u003eUse a LiFePO₄‑Compatible Charger:\u003c\/strong\u003e If charging externally, always use a charger designed for LiFePO₄ chemistry (~14.2–14.6 V) to avoid overcharging and enhance lifespan. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"590\" data-end=\"766\"\u003e\n\u003cp data-start=\"592\" data-end=\"766\"\u003e\u003cstrong data-start=\"592\" data-end=\"616\"\u003eKeep Charge Healthy:\u003c\/strong\u003e Maintain charge above ~20 % and avoid discharges below ~10 V to extend service life and preserve performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"767\" data-end=\"960\"\u003e\n\u003cp data-start=\"769\" data-end=\"960\"\u003e\u003cstrong data-start=\"769\" data-end=\"799\"\u003eInspect \u0026amp; Clean Terminals:\u003c\/strong\u003e Regularly check battery terminals for corrosion or looseness; clean and tighten to ensure strong electrical connections. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"961\" data-end=\"1115\"\u003e\n\u003cp data-start=\"963\" data-end=\"1115\"\u003e\u003cstrong data-start=\"963\" data-end=\"983\"\u003eSecure Mounting:\u003c\/strong\u003e Ensure the battery is firmly installed to minimize vibration stress on internal components. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1116\" data-end=\"1282\"\u003e\n\u003cp data-start=\"1118\" data-end=\"1282\"\u003e\u003cstrong data-start=\"1118\" data-end=\"1145\"\u003eTemperature Management:\u003c\/strong\u003e Operate and store within a moderate temperature range; avoid extremely cold charging conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1283\" data-end=\"1479\"\u003e\n\u003cp data-start=\"1285\" data-end=\"1479\"\u003e\u003cstrong data-start=\"1285\" data-end=\"1307\"\u003eLong‑Term Storage:\u003c\/strong\u003e For vehicles parked long‑term, disconnect and store the battery at ~50–80 % charge in a cool, dry place to prevent parasitic drain. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1480\" data-end=\"1689\"\u003e\n\u003cp data-start=\"1482\" data-end=\"1689\"\u003e\u003cstrong data-start=\"1482\" data-end=\"1508\"\u003eMonitor BMS \u0026amp; Voltage:\u003c\/strong\u003e Occasionally check battery voltage with a multimeter (target ~12.8–13.6 V) and ensure the BMS is functioning properly for optimal performance. \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_d2_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"PowerTex","offers":[{"title":"Default Title","offer_id":45448177352764,"sku":"PTLG49-354","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_0c8d27ae-5827-4334-85af-437e1dee27b1.jpg?v=1779942984","url":"https:\/\/e-powergo.com\/products\/2021-bmw-740i-car-battery-bci-group-49-h8-lithium-lifepo4-automotive-battery","provider":"Set Up Your Ultimate Retreat","version":"1.0","type":"link"}