PowerTex 2021 BMW 840i xDrive Gran Coupe Car Battery BCI Group 49 / H8 Replacement Lithium LiFePO4 Automotive Battery

PowerTex 2021 BMW 840i xDrive Gran Coupe Car Battery BCI Group 49 / H8 Replacement Lithium LiFePO4 Automotive Battery

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.

Unveiling the Key Attributes

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.

Specifications

What Our Experts Think

• Lightweight & Powerful: LiFePO4 technology offers a significantly lighter battery compared to traditional lead-acid models while delivering strong starting power.
• Extended Lifespan: Lasts up to 4x longer than conventional batteries, reducing replacement frequency and long-term costs.
• Fast Charging & High Efficiency: Charges faster and maintains a consistent power output, enhancing overall vehicle performance.
• Maintenance-Free: No need for water refills or regular upkeep, making it a hassle-free solution for your BMW.
• Enhanced Safety: Built-in protection against overcharging, overheating, and short circuits for improved reliability.
• Eco-Friendly: Contains no toxic lead or acid, making it a more environmentally responsible choice.

Q&A

Q: What are the features of the PowerTex 2021 BMW 840i xDrive Gran Coupe Car Battery (BCI Group 49 / H8 Replacement)?
A: The PowerTex BCI Group 49 / H8 Lithium LiFePO4 battery is a high-performance replacement battery designed for the 2021 BMW 840i xDrive Gran Coupe. It offers superior power, longer lifespan, and enhanced efficiency compared to traditional lead-acid batteries. The LiFePO4 technology ensures faster charging, better cold-cranking performance, and increased safety due to its thermal stability.

Q: Why choose a LiFePO4 battery over a traditional lead-acid battery?
A: LiFePO4 (Lithium Iron Phosphate) batteries provide significant advantages, including a longer lifespan (typically 5-10 years), lighter weight, faster charging times, and improved energy efficiency. They also offer enhanced safety features, such as resistance to overheating and reduced risk of thermal runaway.

Q: Is the PowerTex LiFePO4 battery compatible with the 2021 BMW 840i xDrive Gran Coupe?
A: Yes, this battery is a direct replacement for the BCI Group 49 (H8) battery used in the 2021 BMW 840i xDrive Gran Coupe. However, it's always recommended to verify fitment with the vehicle's specifications before purchase.

Q: How does the weight of the LiFePO4 battery compare to a standard lead-acid battery?
A: LiFePO4 batteries are significantly lighter than traditional lead-acid batteries. This weight reduction can improve vehicle efficiency and performance, especially in high-performance cars like the BMW 840i xDrive Gran Coupe.

Q: What is the lifespan of the PowerTex LiFePO4 battery?
A: LiFePO4 batteries typically last 5 to 10 times longer than conventional lead-acid batteries, with an expected lifespan of up to 10 years or 3,000-5,000 charge cycles under normal usage.

Q: Does the PowerTex LiFePO4 battery require special maintenance?
A: No, LiFePO4 batteries are maintenance-free and do not require periodic topping off with distilled water, unlike lead-acid batteries. They also have a very low self-discharge rate, making them ideal for long-term storage.

Q: Can the PowerTex LiFePO4 battery handle extreme temperatures?
A: Yes, LiFePO4 batteries perform well in a wide range of temperatures, but extreme cold can reduce their efficiency. Some models include built-in heating technology to maintain performance in colder climates.

Q: Is the PowerTex LiFePO4 battery safe?
A: Yes, LiFePO4 batteries are one of the safest lithium battery chemistries available. They have built-in protection against overcharging, overheating, and short circuits, making them a safer alternative to traditional lithium-ion and lead-acid batteries.

Q: How fast does the PowerTex LiFePO4 battery charge?
A: LiFePO4 batteries charge significantly faster than lead-acid batteries, often reaching full charge in a fraction of the time. This allows for quicker turnaround when recharging, especially when paired with a compatible lithium charger.

Q: Does the PowerTex LiFePO4 battery require a special charger?
A: While some vehicles can charge LiFePO4 batteries using their standard alternator, it’s recommended to use a lithium-compatible charger to maximize performance and lifespan.

Maintenance Tips

• Proper Charging: Use a compatible LiFePO4 charger to prevent overcharging or undercharging. Avoid using traditional lead-acid battery chargers, as they may not support lithium-specific charging requirements.
• Regular Voltage Checks: Monitor the battery voltage periodically. A fully charged LiFePO4 battery should read around 13.6V – 14.6V, and it should not be discharged below 10V to avoid deep discharge damage.
• Avoid Extreme Temperatures: Store and operate the battery within its recommended temperature range. Extreme heat or cold can affect performance and lifespan. Avoid charging in freezing temperatures unless the battery has built-in heating.
• Secure Mounting: Ensure the battery is securely installed in the vehicle to prevent vibrations or movement, which can damage internal components over time. Use proper mounting brackets or padding if necessary.
• Clean Terminals: Check and clean the battery terminals regularly to prevent corrosion and ensure a strong electrical connection. Use a dry cloth or a mild baking soda solution if any buildup occurs.
• Prevent Deep Discharges: Unlike lead-acid batteries, LiFePO4 batteries perform best when they are not deeply discharged. Keep charge levels above 20% whenever possible to maximize lifespan.
• Battery Management System (BMS) Monitoring: If the battery has an integrated BMS, ensure it is functioning properly to regulate charging, prevent over-discharge, and manage temperature protection.
• Disconnect for Long-Term Storage: If the vehicle will be unused for an extended period, disconnect the battery to prevent slow discharge. Store it at around 50% charge in a cool, dry place for optimal longevity.
• Check Vehicle Compatibility: Ensure the vehicle’s alternator and electrical system are compatible with LiFePO4 batteries, as some older models may require an adjustment or a specific charging profile.
• Avoid Short Circuits: Always handle the battery with care to avoid accidental short circuits. Do not place metal objects on top of the battery, and make sure tools do not bridge the positive and negative terminals.