12V 54Ah Lithium Dual Purpose Battery
12V 54Ah Lithium Dual Purpose Battery

12V 54Ah Lithium Dual Purpose Battery

Regular price$399.00
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  • Bluetooth Monitoring Capability
  • 8-Year Full Replacement Warranty
  • Free Shipping to Lower 48 U.S. States
  • In stock, ready to ship
  • Inventory on the way
500 Marine Cranking Amps

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Introducing the revolutionary DUAL PURPOSE 12V 54Ah Lithium battery by Astro Lithium, designed specifically with boaters and fishermen in mind. This versatile battery excels in two major fronts - functioning as an efficient deep cycle battery and effortlessly providing up to 500 Marine Cranking Amps for starting smaller engines.

Perfect for powering marine outboard motors of 100HP or less, this versatile battery can also be used with a variety of common engines, including side-by-sides, ATVs, and tractors. It's the power solution you need for all your aquatic and recreational adventures.

But the benefits of this battery don't stop there. With its superb deep cycle capabilities, the Astro Lithium battery can power marine electronics, such as sonar, GPS, and marine sound systems, with ease. Plus, it's powerful enough to keep your trolling motors running smoothly all day long, allowing you to maximize your time on the water.

Despite offering the potent performance of a standard BCI Group 31 battery, our offering boasts the compactness of a Group 22 size. Weighing a mere 15 pounds, this battery is approximately 36% smaller and an incredible 77% lighter! Enjoy the freedom of carrying less weight, all while reaping the benefits of robust and reliable power. Enhance your nautical voyages with the power-packed and dependable Astro Lithium Battery.

Features

  • Bluetooth monitoring using the Astro Lithium smartphone app.
  • Zero maintenance required.
  • Can be mounted in any orientation. Upside down, sideways, angled, or right side up. Send in your creative mounts and twice a year we will pick a winner for some Astro Lithium gear!
  • Automatic internal cell balancing
  • 8-Year "No Gimmicks" Warranty

Battery Management System

Every Astro Lithium battery has on board Battery Management System, also known as a BMS. The BMS protects the battery from the following situations:

  • over-charging
  • over-discharging
  • over-heating
  • over-current (not allowing too much amp draw)
  • short circuit

The BMS also performs the following functions.

  • Balances the individual battery cells to optimize battery longevity and efficiency.
  • Automatically stops battery charging in below freezing temperatures that may harm the battery cells. The BMS will automatically resume charging when the temperature reaches above 32 degrees Fahrenheit again. 

General Specs

Weight

14lbs

Dimensions (LxWxH)

9.00" x 5.40" x 8.25"

Terminal Type

M6 Bolt

Cell Type

LiFePO4

 

Electrical Specs

Nominal Voltage 12.8v
Nominal Capacity 54Ah
Energy 691Wh
Cycle Life 3000 cycles at 100% DoD
Storage Discharge Rate ~3% per month
Charging Temperature 32°F to 115°F
Operating Temperature -4°F to 140°F
Max Continuous Discharge 100A
Max Pulse Discharge 500A

Customer Reviews

Based on 4 reviews
75%
(3)
25%
(1)
0%
(0)
0%
(0)
0%
(0)
J
Joseph D.
Astro lifepo4 12v 54h Dual Purpose battery

The 12v 54h dual purpose lifepo4 astro battery did not work in my particular application starting and supplying a constant power source for my 2016 f70 yamaha outboard. My engine would spike volts at WOT higher than the bms would allow which would then shut down the battery to protect itself which then stalled the engine. I gave five stars due to the company's customer service. Oliver from Astro worked dilligently with me to find a solution. Unfortunately, we did not get it to work in my application, so Astro provided a full refund and return shipping. The battery operated within their stated specifications and their service was impeccable. I recommend Astro and their team for your lifepo4 battery needs. Thank you to Oliver and the whole Team at Astro.

K
Kenny B.
Almost perfect !!

I was hoping to get a few more hours run time on my electronics however, I’ll probably need to upgrade my AH as I’m pulling a considerable amount of amps.
I also have your 36v100ah and it’s a powerhouse for my troll motor.
Would highly recommend.

J
Jason S.

Awesome batteries and customer service!! I purchased 2 24V 54AH batteries for my Trolling Motor on my Ranger Bass Boat. They have preformed flawlessly in the time that I have been running them - and being a compeditive tournament fisherman my trolling motor batteries are super important to me. I couldn't be happier with the product!

K
Kevin L.

I recently installed two of the 12v batteries in my bass boat. I couldn’t be more pleased. Their support department helped me choose the correct system and make sure everything was wired properly. They even went out of their way to make sure the batteries were performing as they should. It reduced over 120 lbs from the stern of my boat increasing overall performance of my boat. Highly recommend! Thanks again Astro Lithium!

Shipping is free on all batteries and chargers. All products are shipped via UPS Ground. Due to federal regulations, we cannot ship batteries overnight.

In most cases, orders will ship within 1 business day.

8 Year "No Gimmicks" Warranty

To learn why we call our warranty a "No Gimmicks" Warranty, check out this article.

Astro Lithium warrants its batteries against defects in materials or workmanship for eight (8) years from the original date of manufacture, with a minimum 70% retention of Battery capacity over the warranty period. All other products such as chargers and accessories come with a one (1) warranty.

  • During the product warranty period, Astro Lithium will credit, replace, or repair the product if the product is deemed to be defective in materials or workmanship. 
  • This warranty extends only to products distributed and/or sold by Astro Lithium to the original purchaser only. Warranties are non-transferable.
  • This warranty does not cover misuse, neglect, accidental damage, improper installation, or normal wear and tear.
  • This warranty does not cover disasters such as, but not limited to, fire, flood, lightning, improper electric current, or acts of God.
  • Astro Lithium is not responsible for loss of data, time or hardware failure besides our products. Astro Lithium is not responsible any loss work ("down time") caused by a product requiring service.
  • For a battery to be exchanged under warranty, the Astro Lithium manufactured serial number must be present on the battery. Removal of this date code will void the warranty. 
  • This warranty and all agreements shall be governed by and interpreted in accordance with the laws of Florida.

 

30 Day Money Back Guarantee

Any feelings of skepticism you might have about investing in an LFP battery is completely normal! This is why Astro Lithium makes every effort to absorb as much risk as possible so you're free to make a good decision. We want to make it easy for you to prove that our batteries are quality products backed by quality support.


We want you as our customer to be 100% satisfied. Astro Lithium guarantees you a 30-Day Return window (beginning the date of receipt) to evaluate your purchase.


Within the thirty (30) days, and for any reason, you may exercise your right to return or exchange your purchase. A refund or exchange will be issued once the battery has been returned and all items are accounted for. Returned items are subject to a ten percent (10%) restocking fee.

 

Our batteries are have been tested to be compatible with all major trolling motor brands such as Rhodan, Minn Kota, Motor Guide, Garmin, Lowrance and more.

For information on which battery to consider for your trolling motors thrust rating, check out our blog post here.

FAQs

If you have the proper charger, charging lithium batteries is no different than most other battery types. Any charger from us, or any charger with an AGM Charging profile will work perfect. Standard lead acid battery chargers will not allow you to maximize the performance of lithium batteries. Due to their lower operating voltage, a standard lead acid battery charger may only charge your Astro Lithium battery to 60% to 80% of its full potential. We strongly recommend a LiFePO4 rated charger to get the most out of your batteries.

All of our batteries are shipped FREE to the Lower 48 United States. All products ship via UPS Ground.

Yes! This battery is specifically designed and engineered to handle cranking applications. This battery has 500 Marine Cranking Amps. If you need more, check out our 12V 100Ah Dual Purpose Battery that has 900 MCA's

Mercury has approved lithium cranking batteries for the following motors:

  • 75hp to 300hp Fourstroke, ProXS, SeaPro and Verado models
  • 200hp to 400hp Pro and Verado Models
  • 500hp to 600hp SeaPro and Verado models

Yes, our batteries are great for operating in series or parallel applications.

LFP batteries are very safe. When we hear about lithium battery fires, those are related to other Lithium-Ion battery chemistries. Our batteries are Lithium Iron Phosphate and use a different chemistry that is much more stable.

Lithium iron phosphate has excellent thermal and chemical stability. These batteries stay cool in higher temperatures. They are also incombustible when mishandled during rapid charges and discharges or when there are short circuit issues. Lithium iron phosphate does not experience thermal runaway in the same way that other lithium-ion batteries do, as the phosphate cathode will not burn or explode during overcharging or overheating as the battery remains cool.

While our voltages vary slightly, they are completely fine to work with 12 volt, 24 volt and 36 volt applications.

The variation stems from the nominal voltage of an LiFePO4 cell being 3.2 volts. When assembled in packs, the closest multiples become 12.8 volts, 25.6 volts and 38.4 volts. These voltages are well within the operating limits of 12v, 24v and 36v equipment.


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