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Mighty Max Battery

Mighty Max Battery 12V 55Ah Power Boat Pontoon Electric Trolling Motor Deep Cycle Battery

  • Based on 1,670 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Aug 25
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Edition: Group 22NF NB


Features

  • ML55-12 SLA is a 12V 55AH Sealed Lead Acid (SLA) rechargeable maintenance free battery - UL Certified
  • Dimensions: 9.06 inches x 5.43 inches x 8.98 inches. Listing is for the Battery and Screws only. No wire harness or mounting accessories included
  • SLA / AGM spill proof battery has a characteristic of high discharge rate, wide operating temperatures, long service life and deep discharge recover.
  • Rechargeable battery that can be mounted in any position, resists shocks and vibration. Long lasting high performance in high and low temperatures
  • Full One Year Warranty

Description

Are you powered to the Max? From this question, Mighty Max Battery was born and became a household name. With over thirty years of collective experience in sustainable energy, power sports, mobility and more; we pride ourselves on the respect of our environment while embracing technology of the future. Our mission is to power the person in need of mobility freedom, the person with dreams of life off the grid, and everyone in between. Our line of Mighty Max batteries provide max performance to over 200,000 products. We create products for use in Computer Back-UPS, Children’s Ride-On Toys, ATV’s, Motorcycles, RV’s, Golf carts, Off-Grid, Solar applications, and more! We value every person and are passionate in being the solution to their needs. Whether it's igniting their ride, fueling their generator, or turning over their lawnmower - we love powering our customers. Our knowledgeable team are ready and eager to resolve any questions or concerns. We offer state of the art ingenuity by investing in a dedicated engineering team. Our batteries provide exceptional service life in float and cyclic applications. Our solar panels are constructed with high transparency tempered glass, corrosion resistant alloy frames, and an EVA Film layer that has great radiation transmission and low degradability to sunlight. Mighty Max’s entrance changed the game and the industry, we made it quick and easy to identify the proper battery that is compatible to your application's requirements.

Brand: Mighty Max Battery


Vehicle Service Type: Scooter


Size: Standard


Voltage: 12 volts


Battery Cell Composition: Lead Acid


Product Dimensions: 9.06"D x 5.43"W x 8.98"H


Number Of Cells: 6


Resistance: 660 ohm


Terminal: F2 Terminal


Battery Capacity: 55 amp_hours


Compatible with Vehicle Type: Scooter


Voltage: 12 volts


Number Of Cells: 6


Resistance: 660 ohm


Terminal: F2 Terminal


Battery Capacity: 55 amp_hours


Automotive Fit Type: Vehicle Specific Fit


Size: Standard


Item Dimensions D x W x H: 9.06"D x 5.43"W x 8.98"H


Battery Type: Lead Acid


Brand Name: Mighty Max Battery


Manufacturer Part Number: ML55-121911139


Unit Count: 1 Count


Model Number: ML55-121911139


Manufacturer: Mighty Max Battery


Number of Items: 1


Included Components: Battery


Item Type Name: lead_acid_battery


Manufacturer Warranty Description: 1 Year Manufacturers Warranty


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Aug 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • High quality
Edition: Group 22NF NB
Still working strong…great price would buy it again we I need to
Reviewed in the United States on June 9, 2026 by Maria
    • Still working great 2 years after purchase.
Edition: Group 22NF NB
Almost 2 years old since i bought this. Its spent plenty nights in a battery box sitting in my truck during freezing nights, and its still taking charge and holding voltage just fine. battery tech changed a lot since i bought this, so i probably wouldnt buy again or use for a trolling motor any more, but im still getting use out of this for running a heavy duty 12v tire inflator. Depending on price...it might be a good choice for many uses and projects. ... show more
Reviewed in the United States on March 5, 2026 by chris
    • Powered my 36lb Trolling Motor for Hours
Edition: Group 22NF NB
The battery came nearly fully charged (there was some discharge from being off charger, but nothing significant). It powered my 36lb thrust trolling motor roughly 4 hours at full power - pushing a 13' fully loaded fishing kayak with 15-20mph winds, and 4' - 5' waves. I wish my adult diapers worked as good as this power cube. The battery box says that there is still over half a charge left. That's pretty impressive for the price. I'd buy it again and suggest it to a friend. ... show more
Reviewed in the United States on October 19, 2023 by Roger Branson
    • Battery
Edition: Group 22NF NB
Bought this for a 4 person blow up raft. It worked great but is very heavy.
Reviewed in the United States on September 11, 2024 by Amazon Customer
    • solid product
Edition: Group 22NF NB
I bought this for my kayak for which I have built a transom to add a trolling motor (I will often go out for a long 3-4 hours day and like to be able to add some motor power). The motor is a Newport electric motor with 35 lb. thrust capability. I have used that motor at highest speeds for about 1 1/2 hours often pulling a tethered kayak and the battery has only dropped from 13.2 to 12. 2 volts. (they recommend to not go below 11 volts) However, it is heavy!! At first I had it placed behind me, but between my weight and adding battery weight to the back in addition to the weight of the motor, I only had about 1 inch leeway before the kayak would have gone under. I now place the battery in front of me and it fits perfectly between my legs as they are spread to the footholds in the kayak. ... show more
Reviewed in the United States on April 20, 2020 by Gordon R. Thomas
    • Great for CPAP power supply while camping and charging digital devices
Edition: Group 22NF NB
I bought this battery as a 12 volt power supply for my CPAP. When fully charged I found that I can use it for at least four nights, 8 hours each night on a single 100% charge while boon-docking while out in my camper. To use with a CPAP be sure to get the proper 12 volt DC power supply cord recommended for you brand and model of CPAP. My CPAP cord came with a male cigarette plug attached and all I had to do is plug it into a female cigarette plug with alligator clips like this one https://www.amazon.com/BESTEK-Cigarette-Lighter-Battery-Extension/dp/B00JOY6U7U/ref=sr_1_5?dchild=1&keywords=12+volt+cigarette+female+with+glipes&qid=1598816232&sr=8-5 . Be sure to test it out at home before you leave to make sure it works properly. I also used it to charge cell phones and other digital equipment while boon docking. ... show more
Reviewed in the United States on August 30, 2020 by Joe Blo
    • Lo mejor
Edition: Group 22NF NB
Excelente batería , la utilice en un bote inflable y motor electrónico. Nos dio 4 horas de diversión.
Reviewed in the United States on January 27, 2026 by Carlos Escalante
    • Works great, just charge it up
Edition: Group 22NF NB
Batteries just fine. Don’t take it right out of the box and use it or you’re gonna be disappointed. You have to put it on a trickle charge until it’s 100%. And I would definitely recommend their recommendation of not taking it below 25%. This is not off the cuff advice, I’m 58 and my daddy was a mechanic so I know the drill. JTP ... show more
Reviewed in the United States on June 23, 2023 by JTP

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