Mighty Max Battery

ML7-12 - 12 VOLT 7 2 AH SLA BATTERY - Mighty Max Battery brand product black

623+ bought in the past month

$19.00

About this item

  • Ml7-12 Sla Is A 12V 7 2Ah Sealed Lead Acid (Sla) Rechargeable Maintenance Free Battery
  • Dimensions 5 94 Inches X 2 56 Inches X 3 94 Inches Terminal F1 Listing Is For The Battery Only No Wire Harness Or Mounting Accessories Included
  • Package Quantity : 1
  • Rechargeable Battery That Can Be Mounted In Any Position Resists Shocks And Vibration Long Lasting High Performance In High And Low Temperatures
$19.00

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Product details

Number of Batteries1 12V batteries required. (included)
BrandMighty Max Battery
Battery Cell CompositionSealed Lead Acid
Battery Capacity72 Amp Hours
Recommended Uses For ProductPower Tool

Technical specifications

product_dimensions6.25 x 2.75 x 4.25 inches
item_weight0.634 ounces
item_model_numberML7-12
batteries1 12V batteries required. (included)
best_sellers_rank#5,680 in Health & Household ( See Top 100 in Health & Household ) #4 in 12V Batteries
date_first_availableJanuary 1, 2010
manufacturerMighty Max Battery

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Customer reviews

4.413,370 ratings

Customers say

Customers find the battery to be a good replacement for UPS systems and alarm systems, with positive feedback about its functionality and ease of installation.

★★★★★

Dependable and Compact 12V Backup Power

StevenJune 14, 2025

This battery is a strong choice for providing reliable power in emergency lighting, alarm systems, or UPS units. I recently used it to replace an aging battery in my backup power setup, and it performed smoothly from day one. The battery is fully sealed, with no leaks or maintenance needed—just set it and forget it. At 7.2 Ah, it’s small enough to fit into tight spaces, but still offers hours of backup time for low-power devices. The terminals are sturdy and accept standard connectors easily, making installation quick and simple. One thing to note: like all lead-acid batteries, it works best when stored in a cool, dry place and charged periodically to maintain peak performance. Also, it’s heavier than lithium options, so expect a bit of heft when handling. Overall, the Mighty Max ML7-12 SLA Battery is a well-built, easy-to-install, and reliable power source. It’s a smart option for anyone needing standby or backup power without fuss or frequent upkeep. Read more

★★★★★

Trustworthy Seller!

Alice K. WongOctober 24, 2025

The 5 star is for customer service. The battery malfunctioned about 7 months after purchase. My home security alarm panel was showing low battery warnings. I reached out to the seller and confirmed that it was still under warranty. The seller promptly responded and sent out a replacement battery. Very impressed with the seller! Read more

★★★★★

Great Value!

Laura AnnJanuary 1, 2026

This battery works great! I purchased a little red sports car at a Goodwill for $12.50. The price of the car was so inexpensive bc the car would not run without a battery. Installed this battery and it has provided so much fun for these special littles, not to mention the adults who join in on the fun. Once these littles outgrow the use of this car, I can sell it for a profit. Win Win! ♥️♥️ Besides this tiny sports car looks adorable parked in my garage! Read more

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★★★★☆

Seems like a good battery

JJJuly 30, 2025

Battery arrived not fully charged at 12.6 V. After charging it seemed to keep 13V. Read more

★★★★★

Great replacement battery!

Alise JorgensenJanuary 5, 2026

Worked perfect as a replacement in my party speaker! Read more

★★★★★

Came charged and will fit a jeep

JwellsDecember 31, 2025

Fit my daughter’s jeep and came charged Read more

★★★★★

Great Battery Purchase

Toni WDecember 5, 2025

I purchased this battery to replace one I had that quit working. This item arrived exactly as described in the description. It has worked in a ride-on Jeep since my purchase and has given hours of entertainment for my child. I would purchase again. Read more

★★★★☆

double-check model numbers before ordering or you might have extra work ahead!

andymandFebruary 10, 2024

I'm a little irritated and I'm not sure if I'm looking at Amazon or this vendor or some other entity, but I had a dead UPS, so I unplugged it, removed the SLA battery, spotted the very long string of letters and numbers on the side, and typed them in to an Amazon search field. This was the first battery that popped up in the search results and everything looked similar to the one I was holding in my hand, so I ordered it. Got it quickly (thanks, Amazon!), unboxed it this morning, went to install it and... too big. More precisely, it's too wide. Length is fine and depth is fine, but the width makes it so that the cover on the back of the UPS won't slide on. Dandy. However, I noticed that there was kind of a tic-tac-toe board in the compartment, upon which the thinner original battery rested, kind of like a little plastic pedestal to elevate the battery about a half-inch which, conveniently, was about how too-big the new battery was! So I grabbed a pair of pliers and snapped off every piece of the tic-tac-toe grid so that the bottom of the compartment was now (relatively) level. I then gently lowered the new battery into the compartment and... it fit perfectly! (Well, almost. I had a little trouble getting the connectors to stay on the spades of the new battery; I assume that there was a small size difference there, too.) Anyway, since both batteries are 12v, just a slightly larger capacity with the new one, I figured that it's no big deal to use the new one in this application, so I plugged in the UPS, plugged in the device I want to keep energized even when the power is out, tested, and it worked just fine. I'll let the battery charge in the UPS for a day or so, unplug the UPS, and test the device again, but I'm pretty confident that it will work just fine. tl;dr: I assumed that Amazon search results honored the specific model I was looking for and I was wrong, but i was able to rescue things with some pliers. :) Read more

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