PowerTex 2016 BMW 550i Car Battery BCI Group 49 / H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-509

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.

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 lithium technology offers a much longer lifespan and higher energy density than traditional lead‑acid batteries — meaning fewer replacements and more reliable starts over time.

• Ultra‑lightweight design (~19.8 lbs) cuts ~30 + lbs vs conventional Group 49 batteries, helping improve vehicle handling, responsiveness, and fuel efficiency.

• Robust 12.8 V / ~60 Ah output with strong ≈1500 CA / ~1000 CCA ensures dependable starts in varied weather conditions.

• Integrated Battery Management System (BMS) actively protects against overcharge, over‑discharge, and short circuits for safer, longer‑lasting performance.

• Built‑in jump‑start button adds convenient self‑starting capability without external cables — perfect for unexpected battery drains.

• Bluetooth monitoring support lets you view real‑time voltage and health metrics from your smartphone.

• Maintenance‑free & corrosion‑resistant construction eliminates acid leaks and reduces under‑hood corrosion and upkeep

Q&A

Q: What is the PowerTex PTLG49‑509 automotive battery?
A: A high‑performance 12.8 V lithium LiFePO4 automotive battery engineered as a direct BCI Group 49 / H8 replacement, ideal for vehicles like the 2016 BMW 550i, offering strong start power and advanced lithium benefits.

Q: What are its core performance specs?
A: It typically features ≈60 Ah capacity, ~1500 cranking amps (CA), 1000 Cold Cranking Amps (CCA), 12.8 V output, and a lightweight ~19.8 lb design, making it lighter and more efficient than traditional lead‑acid batteries.

Q: How does LiFePO4 technology benefit this battery?
A: Lithium LiFePO4 chemistry delivers significantly lighter weight, extended lifespan (2×–5× longer), stable power delivery, and higher energy efficiency compared with standard lead‑acid batteries.

Q: What advanced safety and convenience 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 status via app. 

Maintenance Tips