Skip to product information
1 of 10

PowerTex

PowerTex 2015 BMW X4 Car Battery BCI Group 49 / H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-583

PowerTex 2015 BMW X4 Car Battery BCI Group 49 / H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-583

1 Review

Only left!

image

Free Delivery

image

Limited Stocks

In Stock - Ready to be Shipped

Regular price Sale price $899.99
Shipping calculated at checkout.

Quantity

View full details
SALE ENDS IN
07 HRS
23 MINS
28 SECS
DON'T MISS IT!

Popular Add on

$100.00

$30.00

$200.00

$70.00

Add-Ons Bundle

$100.00

$30.00

$200.00

$70.00

Bundle Offer

$300.00

$100.00

Recently Viewed

PowerTex 2015 BMW X4 Car Battery BCI Group 49 / H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-583

Introducing PowerTex LiFePO4 BCI Group 49/H8 Battery - Unleash the Power of Performance and Reliability!

Maximized Longevity: 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.

Optimized Performance: 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.

Jump Start Button: 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.

Battery Management System: Experience 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.

Grade A Cells: Trust in the highest quality and reliability with UL-certified Grade A cells, delivering unmatched performance and peace of mind.


Discover the unparalleled performance of our Powertex LiFePO4 Car Battery with transparent and comprehensive insights into key parameters:

Capacity: Unmatched energy storage capacity to fuel extended journeys and power-hungry applications.

Cycle Life: Exceptional longevity, ensuring a prolonged and reliable service life for your investment.

Charging Time: Swift and efficient charging capabilities, minimizing downtime and maximizing your driving experience.

At Powertex, we prioritize clarity and excellence, empowering customers with the information they need to make informed decisions and elevate their driving experience.

Concerned About The Safety of Powertex LiFePO4 Car Batteries?

After 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.

What our Experts Think
  • Advanced LiFePO₄ Technology: Built with premium lithium‑iron‑phosphate (LiFePO₄) chemistry for stable power delivery, longer lifespan (2–5×), and exceptional durability vs. traditional lead‑acid car batteries.

  • Direct Group 49 / H8 Replacement: Designed to match BCI Group 49 / H8 size, voltage (12.8 V), and performance — drop‑in fit for your 2015 BMW X4 with no modifications.

  • Lightweight & Efficient: Weighs ~19.8 lb — 30 + lbs lighter than equivalent lead‑acid units, reducing vehicle weight and helping improve handling and efficiency.

  • Strong Cranking Performance: High 1500 Cranking Amps (CA) and ~1000 CCA ensure dependable starting power across varied weather conditions.

  • Smart Protection & BMS: Integrated Battery Management System guards against overcharge, overdischarge, and short circuits for enhanced safety and reliability.

  • Convenient Features: Built‑in jump‑start button and Bluetooth monitoring via app give real‑time battery status and added usability.

  • Long‑Term Value: Maintenance‑free design with extended cycle life means fewer replacements and lower cost per use over time.


Q&A

Q: What vehicle is this battery designed for?
A: A BCI Group 49 / H8 lithium LiFePO₄ automotive battery designed as a replacement for the 2015 BMW X4 and other vehicles that use the Group 49 battery size.

Q: What type of battery technology does it use?
A: Lithium Iron Phosphate (LiFePO₄) tech delivers lightweight, robust performance with higher efficiency and longer life compared to traditional lead‑acid automotive batteries. 

Q: What performance benefits does it offer?
A: Offers reliable starts, fast charging, consistent power delivery, and extended service life — typically 2–5× longer than conventional lead‑acid batteries.

Q: Does it include built‑in safety and protection?
A: Yes — integrated Battery Management System (BMS) protects against over‑charge, over‑discharge, and short circuits, enhancing safety and durability.

Q: Is it maintenance‑free?
A: Yes — maintenance‑free operation with no fluid checks or routine upkeep required, though using a LiFePO₄‑compatible charger when externally charging can help maximize life.

Q: Why choose this over a traditional lead‑acid battery?
A: Offers significant weight reduction, longer lifespan, better thermal stability, faster recharge times, and higher overall efficiency — ideal for performance and daily driving applications


Maintenance Tips
  • Monitor voltage monthly: Check state of charge with a quality voltmeter.

  • Clean terminals: Keep battery terminals and clamps free of corrosion; clean with a baking soda solution and soft brush.

  • Secure mounting: Ensure the battery is firmly fastened to reduce vibration and extend lifespan.

  • Use LiFePO₄‑compatible charger only: Recharge with a charger designed for lithium iron phosphate batteries; avoid standard lead‑acid chargers.

  • Avoid deep discharge: Recharge promptly after use; don’t let voltage drop below recommended levels.

  • Temperature protection: Shield the battery from extreme heat or cold for optimal performance.

  • Inspect regularly: Check for swelling, damage, or loose connections; address issues immediately.

  • Balance charge if recommended: Perform balance charging per manufacturer guidance to maintain cell health.

  • Proper storage: For long storage, maintain ~50–70% charge and disconnect to reduce parasitic drain.

  • Follow manufacturer guidelines: Adhere to PowerTex safety, care, and warranty instructions.