SKU: 99892855906

B2 Audio 44AH 12V Lithium Iron Phosphate Battery 5,000W Car Audio (LiFePO4)

$359.98 $399.98
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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8

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Description

B2 Audio 44AH 12V Lithium Iron Phosphate Battery 5,000W Car Audio (LiFePO4)SUPPORTS UP TO 10,000 WATTS: Designed for high performance car audio systems, competition builds, and powerful amplifier setups that demand reliable electrical support. 44AH HIGH CAPACITY ENERGY STORAGE: Provides 594 watt hours of reserve energy to help maintain stable voltage and consistent amplifier performance. MASSIVE 4,100 AMP OUTPUT CAPABILITY: Delivers exceptional current on demand with minimal voltage sag during heavy bass hits and musical

  • SUPPORTS UP TO 10,000 WATTS: Designed for high-performance car audio systems, competition builds, and powerful amplifier setups that demand reliable electrical support.
  • 44AH HIGH CAPACITY ENERGY STORAGE: Provides 594 watt-hours of reserve energy to help maintain stable voltage and consistent amplifier performance.
  • MASSIVE 4,100 AMP OUTPUT CAPABILITY: Delivers exceptional current on demand with minimal voltage sag during heavy bass hits and musical peaks.
  • ADVANCED LiFePO4 TECHNOLOGY: Offers faster charging, longer lifespan, lighter weight, improved efficiency, and greater reliability compared to traditional AGM batteries.
  • BUILT FOR SERIOUS AUDIO SYSTEMS: High shock resistance, maintenance-free operation, and dependable power delivery make it ideal for daily drivers and competition vehicles alike.


B2 Audio 44AH 12V Lithium Iron Phosphate Battery 5,000W Car Audio (LiFePO4)


This Listing Includes:



  • (1) B2 Audio 44AH Lithium Iron Phosphate Battery


Upgrade your electrical system with the B2 Audio 44AH Lithium Iron Phosphate Battery, a high-performance power solution designed for serious car audio enthusiasts who demand maximum output, fast charging, and dependable voltage stability.


Built with advanced LiFePO4 technology, this battery delivers exceptional power density while remaining significantly lighter than traditional AGM batteries. Whether you're powering a high-output daily system, a competition build, or a demo vehicle, the B2 Audio 44AH battery provides the reserve capacity and current delivery needed to keep your amplifiers performing at their best.


With support for up to 10,000 watts of burst power and 5,000 watts of continuous music power, this battery is engineered to handle demanding audio systems while minimizing voltage drop during heavy bass peaks. When paired with a properly upgraded charging system, it can support even greater power demands while maintaining stable performance.


Featuring 594 watt-hours of stored energy and an impressive 4,100-amp maximum output capability, the B2 Audio 44AH battery offers outstanding reserve power and rapid energy delivery for amplifiers, DSPs, and other high-current accessories.


Unlike conventional lead-acid batteries, LiFePO4 technology provides faster charging, longer service life, greater efficiency, improved safety, and excellent resistance to vibration and shock. The result is cleaner power delivery, reduced voltage sag, and more consistent system performance.


Designed for modern high-performance audio systems, the B2 Audio 44AH Lithium Battery is the perfect upgrade for enthusiasts looking to maximize system reliability and electrical performance.


Requires a lithium-compatible battery charger.


Specifications



  • Battery Chemistry: Lithium Iron Phosphate (LiFePO4)

  • Nominal Voltage: 12V

  • Capacity: 44AH

  • Maximum Wattage Support: 10,000 Watts

  • Continuous Music Power: 5,000 Watts

  • Energy Capacity: 594 Watt Hours

  • Maximum Output Current: 4,100 Amps

  • High Current Design

  • Fast Charging Capability

  • Low Voltage Sag

  • Lightweight Construction

  • High Shock Resistance

  • Maintenance Free Operation

  • Car Audio Application

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 99892855906

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4.4 ★★★★★
Based on 13 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Carnegie, US
★★★★★ 5
Really good pillow!
Size: King (Pack of 1)
This is the first pillow that I have owned in the last 10 years in which I have not experienced any neck pain. It's the right density, comfort level, and is a high-quality item. I am a side and stomach sleeper. Try this pillow and I think you'll be happy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2025
B
Verified Purchase
Brandy Evans
Boise, US
★★★★★ 5
OMG I finally found the one
Color: White, Size: Standard
I use to have a pillow that I took it everywhere. It finally was gone I couldn’t find one that I had. So my quest for the perfect pillow was 17 different pillows. I finally found the one!!! This pillow is soft but is sturdy. My head lays on the pillow and doesn’t fall to the bed. My neck isn’t tilted in an awkward position. The coolness of the pillow is amazing. This pillow is everything I was looking for. The price is 100% worth it. Edit ok I still love the pillow but you have to flip it because all the stuffing moves to the other side. The pillow still has enough that it was still comfortable. I wish that the stuffing would stay in the same pot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 6, 2025
E
Verified Purchase
Erik
Cuba, US
★★★★★ 5
Sleeping on a soft cool cloud..
Color: White, Size: King
This pillow is nice and soft it holds the coldness for a long time and I am a big man.. As far as value I think it is worth it for the quality that goes into making it..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026
J
Verified Purchase
Jesse
Bozeman, US
★★★★★ 4
Nice Pillow
Color: White, Size: King
I waited a few weeks before writing this review. It’s very difficult to find Info on this pillow but here’s my take on it. Height: It’s a nice height on the pillow. It has a 2” gusset which upon my research is a way to keep the inside foam and down at least 2” high. Types of sleeping: I find this pillow to be comfortable in all sleep positions. I do find that because it’s not full foam that you don’t get that full compression feeling so back sleep is not as comfortable to me as other pillows I’ve used but still very comfortable Back: Has enough height that my neck is supported. It’s not full foam so you will have to adjust your head position so it fits perfectly into the curve of the pillow for best support. Side: Thick enough that the compatibility with my mattress sink allows my body to be comfortably aligned. I have a medium hybrid tempurpedic luxe breeze. Stomach: Just barely thick enough to be comfortable. I sleep somewhat weird and like my arm to go under the pillow. This gives me the correct height for stomach sleeping if I put my head on the bottom part of the pillow. This also allows me to breathe lol. Cooling This pillow has awesome cooling. Even when I wake up the pillow is still ice cold. Never had this feeling before and I’m a hot sleeper so i really like this. Granted I do set my house temperature to like 73 to sleep. The sensor is right next to my bed so it’s a true 73. Material This has foam outer layers and a fiber fill. It really does feel unique and it’s comfy. It’s a decently heavy pillow too in king so that gives confidence there is good quality foam and materials in it. One thing to know, the cover is “slippery” and it took some getting used to, even though I use a pillow case I can feel it slides in the case more than other pillows. I think it’s because the cover is very thing to promote airflow and heat transfer. I wish it was adjustable for the price. Price I like the pillow, and got mine on sale. But I do think it’s a bit overpriced for what it is. Evidently the sale price I got wasn’t a good price and it’s gone as much as 20% off. Oh well.
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Reviewed in the United States on August 18, 2023
M
Verified Purchase
Matthew
Belleville, US
★★★★★ 3
Great Cooling, But Lacking Support
Color: White, Size: Standard
I have to agree with some of the other reviews—this pillow just doesn't offer enough support. It initially feels plush and inviting, but after a minute or so, your head sinks too far and ends up pressing against the underlying latex, which has a rubbery, somewhat uncomfortable feel. It might be an excellent fit for those with smaller frames, but for me, it fell short in terms of proper neck and head support. On the plus side, the cooling aspect is impressive. It's cool to the touch and noticeably more breathable than many pillows I've tried. I've seen some complaints about it not staying cool all night, but honestly, no pillow really does. Casper's claim of "12 hours of cooling" seems like marketing optimism—your body heat will eventually warm up any pillow, no matter how well-designed. That’s just basic thermodynamics. All in all, it's a well-made pillow with excellent cooling performance. If you have a smaller frame, this could be a great choice. Unfortunately, it just didn’t work for my needs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2025

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