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BtrPower 12V 140Ah Lithium Iron Phosphate LiFePO4 Deep Cycle Battery 100A BMS

Regular price $279.00 USD
Regular price $359.99 USD Sale price $279.00 USD
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About this item

  • 【Automotive Grade LiFePO4 Cell】12v 140ah lithium battery made from nontoxic, super safe, renewable. 12 volt lifepo4 battery last for about 4000+ cycle and can be charged and discharged repeatedly,have exceptional longevity, unlimited mounting capability and more cost effective.
  • 【100A BMS】Our 12v LiFePO4 battery is equiped with 100A BMS (Battery Management System) to protect it from overcharge, over-discharge, over-current, and short circuit with excellent self-discharge rate. 12v lithium batteries are safer than Lead Acid batteries.
  • 【Longer Cycle Life】 Easy to install and holding 100% charge from solar system or lithium charger. LiFePO4 battery’s flat discharge curve holds above 12V for up to 90%.Using this 12v battery means that you don't need to replace it 3-5 years.
  • 【Easy to Connect & Fast Delivery】12V 140Ah Battery can be supported in series and parallels for higher voltage and larger capacity. Up to 4 series identical batteries for up to 48V. Up to 4 parallels identical batteries for up to 560Ah. Our warehouse is in Ca, US. 2-5 Business Days Fast delivery.
  • 【Professional and Quick Service】All 12 volt lithium batteries will be tested for capacity and checked for external damage before packaging. If there is any problem please contact us without hesitation.We will provide one months free return service (you do not have to pay any fees), we also provide an additional 1 year quality support (repair/replacement) and lifetime technical support.


1). 30 days money back guarantee on all orders if you're unsatisfied for any reason with one of our batteries

2). 1 year warranty on all orders

3). Lifetime technical support

Shipping & Returns

USA :  3-7 Business Days

Canada : 7 - 10 Business Days

UK : 2-7 Business Days

Eurpoe  :  2-7 Business Days

3 Months Free Return

Customer Reviews

Based on 1 review
Reliable and Long-lasting Power Source for My Boat

I recently decided to upgrade my boat's power system, and after extensive research, I opted for a LifePO4 battery. After several months of use, I can confidently say that this battery has exceeded my expectations in terms of reliability, performance, and longevity.

The LiFePO4 battery capacity is significantly larger than old lead-acid batteries. I can now roam my boat around the lagoon for hours and never worry about running out of power. This battery consistently delivers a stable and consistent energy supply, ensuring that all my onboard systems operate smoothly throughout my journeys. The peace of mind this reliability offers is truly invaluable.

The standout features of the LifePO4 battery is its impressive lifespan. Unlike traditional lead-acid batteries, the LifePO4 chemistry is designed to endure countless charge and discharge cycles without significant capacity degradation. I have noticed minimal decline in performance, even after numerous trips and extensive use. This longevity not only saves me money in the long run but also reduces the hassle of frequent battery replacements. The biggest benefit is it no longer needs adding distilled water every few month -- a major hassle with lead-acid.

Moreover, the LifePO4 battery's fast charging capabilities have been a game-changer for me. It efficiently absorbs power from my boat's charging system, allowing me to replenish the battery quickly. This means less downtime and more time enjoying my boating adventures. Additionally, the battery's low self-discharge rate ensures that it retains its charge even during periods of inactivity, making it ideal for occasional boaters or those with seasonal use.

Safety is paramount when it comes to marine batteries, and the LifePO4 battery delivers in this aspect as well. Its stable chemistry significantly reduces the risk of thermal runaway, which is particularly crucial on a boat where safety is paramount. I feel confident knowing that I have a reliable and secure power source on board. However, the original lead acid charger did not work for this batteries and I have to buy new one designed for my setup (48v). You can buy very inexpensive charger if you don't care to charge batteries quickly, I usually use boat on weekends and my setup takes about 20 hours to charge 200Ah battery.

Lightweight design of the LifePO4 battery, it occupies same space on my boat but has significantly reduced the overall weight compared to my previous battery. This not only improves the vessel's balance but also makes installation and handling much more convenient.

I think the LifePO4 battery has proven to be an excellent investment for my boat. Its remarkable reliability, longevity, fast charging, safety features, and compact design have made it an indispensable component of my boating experience. I wholeheartedly recommend the LifePO4 battery to any boat owner seeking a dependable power source that stands the test of time.

Laser Wedling

Our battery production process is 80% automated.

Battery sorting, screening, assembly, and welding are all done automatically by machines

More efficient for production

More Reliable for Quality

Our goal is produce produce reliable and less cost lithium battery for customer