Skip to product information
1 of 10

PowerTex

PowerTex 2015 BMW 428i xDrive Gran Coupe Car Battery BCI Group 49 / H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-536

PowerTex 2015 BMW 428i xDrive Gran Coupe Car Battery BCI Group 49 / H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-536

1 Review

25% Sale

Only left!

image

Free Delivery

image

Limited Stocks

In Stock - Ready to be Shipped

Regular price $899.99 Sale price $674.99
Taxes included. 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 428i xDrive Gran Coupe Car Battery BCI Group 49 / H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-536

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
  • LiFePO₄ lithium technology delivers much longer service life and higher energy density than traditional lead‑acid batteries — meaning fewer replacements and more reliable starts over time.

  • Ultra‑lightweight design (~19–20 lbs) reduces around 30+ lbs versus OEM Group 49, improving vehicle handling, responsiveness, and efficiency.

  • Robust 12.8 V / 60 Ah output with strong ~1500 CA / ~1000 CCA provides dependable cold starts across varied conditions.

  • Integrated Battery Management System (BMS) protects against overcharge, deep discharge, and short circuits for enhanced safety and durability.

  • Built‑in jump‑start button adds convenient self‑starting capability without external cables.

  • Bluetooth monitoring support lets you check real‑time voltage, health & performance from your smartphone.

  • Maintenance‑free & corrosion‑resistant construction eliminates acid handling, reduces under‑hood corrosion, and minimizes upkeep.


Q&A

Q: What is the PowerTex PTLG49‑536 automotive battery?
A: A 12.8 V Lithium LiFePO4 car battery engineered as a direct BCI Group 49 / H8 replacement for vehicles like the 2015 BMW 428i xDrive Gran Coupe, offering reliable starting power with modern lithium technology benefits.

Q: What are its key specifications?
A: Typical specs include ≈60 Ah capacity, ~1500 cranking amps (CA), 1000 CCA, standard Group 49 size, and a lightweight design (~19.8 lb) compared with traditional lead‑acid batteries.

Q: How does LiFePO4 technology improve performance?
A: Lithium LiFePO4 chemistry delivers significantly lighter weight, extended lifespan (often 2×–5× longer), stable power delivery, and better energy efficiency versus conventional lead‑acid batteries.

Q: What safety and smart features are included?
A: Includes a fully integrated Battery Management System (BMS) that protects against overcharge, over‑discharge, and short circuits, built‑in jump‑start capability, and optional Bluetooth monitoring for real‑time battery status.


Maintenance Tips
  • Maintenance‑Free LiFePO₄ with BMS: Built‑in Battery Management System protects against overcharge, deep discharge, and short circuits — no watering or routine cell maintenance needed.

  • Use a LiFePO₄‑Compatible Charger: When charging externally, use a charger designed for LiFePO₄ (~14.2–14.6 V) to avoid overcharging and extend battery life.

  • Avoid Deep Discharge: Keep the battery charge above ~20 % and avoid letting it fall below ~10 V to preserve capacity and longevity.

  • Inspect & Clean Terminals: Regularly check for corrosion, looseness, or buildup; clean and tighten connections for reliable starts.

  • Secure Mounting: Ensure the battery is firmly mounted to minimise vibration and protect internal cells.

  • Temperature Awareness: Operate and store battery within moderate temperatures; avoid charging in extreme cold or heat, which can reduce performance.

  • Long‑Term Storage: For extended storage, keep the battery at ~50–80 % charge and disconnect to prevent parasitic drain.

  • Avoid Lead‑Acid Jump‑Starts: Do not jump‑start with a standard lead‑acid battery; harmful voltage spikes may damage the BMS and electronics.