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Maintenance‑Free LiFePO₄ with BMS: Built‑in Battery Management System protects against overcharge, deep discharge, and short circuits — no watering or routine cell checks required.
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Use LiFePO₄‑Compatible Charger: If charging externally, always use a charger designed for LiFePO₄ (~14.2–14.6 V) to prevent overcharging and extend battery life.
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Keep Charge Healthy: Maintain charge above ~20 % and avoid deep discharges below ~10 V to maximise lifespan and performance.
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Inspect & Clean Terminals: Regularly check for corrosion or loose connections; clean and tighten terminals to ensure reliable starts.
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Secure Mounting: Ensure the battery is firmly installed to minimise vibration stress on internal components.
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Temperature Awareness: Operate and store within moderate temperatures; avoid charging in extreme cold (<32 °F) or exposing to high heat.
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Long‑Term Storage: For extended periods unused, keep the battery at ~50–80 % charge and disconnect to prevent parasitic drain.
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Avoid Lead‑Acid Jump‑Starts: Do not jump‑start with a standard lead‑acid battery — harmful voltage spikes may damage the BMS.
PowerTex 2016 BMW X6 Car Battery BCI Group 49 / H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-520
PowerTex 2016 BMW X6 Car Battery BCI Group 49 / H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-520
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PowerTex 2016 BMW X6 Car Battery BCI Group 49 / H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-520
PowerTex 2016 BMW X6 Car Battery BCI Group 49 / H8 Replacement Lithium LiFePO4 Automotive Battery - PTLG49-520
Introducing PowerTex LiFePO4 BCI Group 49/H8 Battery - Unleash the Power of Performance and Reliability!
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.
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?
What our Experts Think
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LiFePO₄ lithium technology delivers much longer service life and higher energy density than traditional lead‑acid batteries — meaning more reliable starts and fewer replacements.
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Ultra‑lightweight design (~19–20 lbs) trims ~30+ lbs vs stock Group 49 batteries, helping improve handling, acceleration, and overall vehicle dynamics.
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Strong 12.8 V / 60 Ah output with robust ~1500 CA (~1000 CCA) ensures dependable engine starts in varied temperatures and conditions.
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Advanced Battery Management System (BMS) protects against overcharge, over‑discharge, and short circuits for safer, longer‑lasting performance.
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Built‑in jump‑start button adds convenient starting capability without external cables.
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Bluetooth monitoring support lets you check real‑time battery health and voltage from your smartphone.
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Maintenance‑free & corrosion‑resistant design eliminates acid leaks and reduces under‑hood corrosion and upkeep.
Q&A
Q: What is the PowerTex PTLG49‑520 automotive battery?
A: A 12.8 V Lithium LiFePO4 car battery engineered as a BCI Group 49 / H8 replacement for vehicles such as the 2016 BMW X6, offering dependable starting power, lightweight design, and modern lithium performance.
Q: Why choose this LiFePO4 battery over traditional lead‑acid?
A: LiFePO4 batteries are up to ≈70% lighter, deliver longer lifespan (2×–5×), faster charging, and more reliable performance with stable voltage.
Q: What are the key performance specs?
A: Standard ≈60 Ah capacity, ~1500 cranking amps (CA), 1000 CCA, 12.8 V output, ≈19.8 lb weight, and Group 49 / H8 size for direct fit replacements.
Q: What advanced safety and convenience features does it include?
A: Integrated Battery Management System (BMS) protects against overcharge, over‑discharge, and short circuits; includes built‑in jump‑start capability and Bluetooth monitoring via app for real‑time status.
Maintenance Tips
