$129.99

MM-G22NF-M – 12 Volt 55 AH, Marine Post Terminal, Rechargeable SLA AGM Battery

Availability: In stock

SKU: MM-G22NF-M Category:
Amp up your adventures with the Mighty Max MM-G22NF-M battery, engineered for steady, reliable power wherever the journey takes you. Designed for those who go further, this maintenance-free, spill-proof build is made to handle waves, trails, and off-grid challenges with ease. Advanced AGM technology delivers consistent energy and withstands vibration, while the reinforced ABS shell adds protection against heat and impact, while the reinforced ABS shell adds protection from heat and impact, giving you lasting confidence to explore the unknown and push the limits.
Delivering 400 Cold Cranking Amps (CCA), 445 Cranking Amps (CA) for the reliable bursts of energy you need to start up with confidence. With 55 Ah of capacity, the Mighty Max MM-G22NF-M is a true dual-purpose powerhouse battery that delivers high-output cranking strength to start your engine while providing long-lasting endurance to keep your electronics and gear running hour after hour. Its low self-discharge rate keeps it ready when you are, while the strong reserve capacity supports continuous operation for boats, RVs, solar systems, backup power setups, and more.
Stay Powered to the Max with the strength and resilience that keep every journey going strong.
Specs at a Glance
Battery Type: Marine AGM (Dual-Purpose)
Voltage: 12 V
Capacity: 55 Ah
Cold Cranking Amps (CCA): 400
Cranking Amps (CA): 445
Reserve Capacity: 115
Dimensions: 9.00 x 5.44 x 8.25 in, 9.63in Total Height
Weight: 34.8 LBS
Volts

12V

Amp Hour

55Ah

Chemistry

SLA / AGM

Quantity

1

Length

9.00

Width

5.44

Height

9.63

Weight

34.80 Lbs

Warranty

2 Year

Terminal

Dual Terminal

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Excellent
Mighty Max Battery
Based on 4143 reviews
Arrived in perfect condition
2011 Yamaha Raptor 700R battery, started right up. Has a 1 year warranty. Great deal.
Love mighty max batteries
Arrived well packaged. No information as to original warranty coverage and term, but lots of solicitations to extend the warranty coverage for a whole amazing 90 days - Wow, such product confidence! At least it’s not made in China, but is Thailand any better for quality manufacturing? We’ll see.
Ktm duke 390
Arrived next day and sas very easy to install. They also offer free 3 warrany extension.
I ordered this MightyMax battery through Amazon. The Ad states it works in my GE Simon XT house alarm.
I received my battery from Amazon on March 9, 2026. The box was a little squashed but the battery was packaged well and it it fine. I installed it and finally my gate opener is working properly. I purchased 2 batteries before this and had to return them because they were the wrong battery. This one is working great.
Looks the part, I am charging it fully before install on my jet ski.
These batteries arrived in great shape with the handle on top so you can carry it screw so you can hook them up very professional looking better about them from Home Depot