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⚡️ Power your passion, dominate the waters with Mighty Max!
The Mighty Max 12V 55Ah Deep Cycle Battery is a UL-certified, maintenance-free sealed lead acid battery designed for power boats, pontoons, and electric trolling motors. Its spill-proof AGM construction offers high discharge rates, wide operating temperature tolerance, and vibration resistance, ensuring long-lasting performance in demanding marine environments. Compact and universally compatible, it comes with a full one-year warranty for dependable use.






| ASIN | B00K898AT6 |
| Automotive Fit Type | Universal Fit |
| Battery Capacity | 55 Amp Hours |
| Battery Type | Lead Acid |
| Battery cell composition | Lead Acid |
| Brand | Mighty Max Battery |
| Brand Name | Mighty Max Battery |
| Compatible with Vehicle Type | Boat, Motorcycle |
| Customer Reviews | 4.6 out of 5 stars 1,584 Reviews |
| Included Components | Battery |
| Item Dimensions D x W x H | 23D x 13.8W x 22.8H centimeters |
| Item Type Name | lead_acid_battery |
| Manufacturer | Mighty Max Battery |
| Manufacturer Part Number | ML55-121911139 |
| Model Number | ML55-121911139 |
| Number of Items | 1 |
| Product dimensions | 23D x 13.8W x 22.8H centimeters |
| Size | 1 pack |
| Unit Count | 1.0 Count |
| Vehicle service type | Boat, Motorcycle |
| Voltage | 12 Volts |
R**N
Customer service
The first battery did not hold the charge but we were sent another right away.
M**A
High quality
Still working strong…great price would buy it again we I need to
C**S
Still working great 2 years after purchase.
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.
G**N
Se charge bien.
Très satisfait de cette batterie pour l’instant.
R**N
Powered my 36lb Trolling Motor for Hours
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.
Trustpilot
1 month ago
4 days ago