Rated 4.85 out of 5 based on 20 customer ratings
(20 customer reviews)

$19.99

ML7-12 – 12V 7.2AH VERIZON FIOS REPLACEMENT BATTERY

SKU: ML7-121911111178 Category:
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$ 19.99
$ 37.99
$ 69.99
$ 104.99
$ 129.99
$ 159.99
Delivering power when you need it, the Mighty Max ML7-12 12 Volt 7.2 AH uses a state of the art, heavy-duty, calcium-alloy grid that provides exceptional performance and service life in both float and cyclic applications.
The ML7-12 is an Absorbent Glass Mat (AGM) technology with a valve regulated design, that can be used in enclosed and indoor environments without leaking or maintenance, providing a superior performance for thousands of models.
Mighty Max SLA batteries are utilized in a wide variety of applications including; Consumer Electronics, Electric Vehicles, Engine Starters, Golf Carts, Hunting, Lawn and Garden Tools, Medical Mobility, Motorcycles, Power sports, Portable Tools, Solar, Toys and Hobby, Access Control Devices, Emergency Lighting, Security and more.
Specifications:
Voltage: 12 Volt
Amperage: 7.2 AH
Chemistry: SLA, AGM
Terminal: F1
Battery Dimensions:
5.90 in x 2.50 in x 3.90 in
Weight: 4.50 Lbs
Warranty
1 Year
Multi Packs Bundled Savings

1 Pack, 2 Pack, 4 Pack, 6 Pack, 8 Pack, 10 Pack

Volts

12V

Amp Hour

7.2Ah

Chemistry

SLA / AGM

Terminal

.187" – F1

Quantity

1

Length

5.90

Width

2.50

Height

3.90

Weight

4.50 Lbs

Warranty

1 Year

20 reviews for ML7-12 – 12V 7.2AH VERIZON FIOS REPLACEMENT BATTERY

  1. Rated 5 out of 5

    William

    Replace Verizon phone system battery

  2. Rated 5 out of 5

    Gary P. Burns

    Very easy to install

  3. Rated 3 out of 5

    Web Customer

    I have had a number of these batteries and the last one only worked for a year. I have no information on how to supposedly recharge the battery.

  4. Rated 5 out of 5

    john murphy

    Price easy to install

  5. Rated 5 out of 5

    lovetodance

    I have to use this with my verizon service

  6. Rated 5 out of 5

    Ross Williams

    as advertised works fine

  7. Rated 5 out of 5

    john

    Nice affordable alternative to the orginal.

  8. Rated 5 out of 5

    Beautiful Gorgeous

    I gave it a 4 star for longevity, but I really don’t know (I just bought it). I don’t understand the sheer review; obviously you can’t see through it. I was pleased with the product and it was easy to install.

  9. Rated 5 out of 5

    Val Bakogiannis

    simple to use

  10. Rated 5 out of 5

    Bruce Smith

    Easy install

  11. Rated 5 out of 5

    jlledo06

    This is my second mighty max battery. First one didnt last as long as the original which was another brand, but for the money, good deal.

  12. Rated 4 out of 5

    AH

    Easy to install, priced much better than my cable company replacement battery. Has been working for the past week since it was installed. We’ll see how long it lasts. Gave a 4 because longevity unknown at this point.

  13. Rated 5 out of 5

    Blaine J. Chipola

    Battery shipped quickly, easy to install and a great value. This is the third battery we bought and are very happy with the performance.

  14. Rated 5 out of 5

    LAURIE H-B

    Works with Verizon Fios and much cheaper than what Verizon charges for there battery

  15. Rated 5 out of 5

    Joe

    I thought I had a defective battery; it turned out that someone in my home had bumped into my verizon power supply and incorrectly installed the backup battery. By the time I discovered my mistake, they had already shipped out a new one. Excellent customer service.

  16. Rated 5 out of 5

    Jerry Leighton

    Fit like a glove! Inexpensive and works just fine.

  17. Rated 5 out of 5

    bluesharpbob

    Fast delivery, installed battery in Fios ont, works fine

  18. Rated 5 out of 5

    Dr. Bob

    Replace the old Mighty Max, and so far so good.Easy to change and functioning well.My internet system is up and running. Hopefully for a long time to come.

  19. Rated 5 out of 5

    Pat B.

    Arrrived on time. As Advertised

  20. Rated 5 out of 5

    Home Owner

    Worked fine and much cheaper than Verizon’s offer.

Only logged in customers who have purchased this product may leave a review.

Excellent
Mighty Max Battery
Based on 3474 reviews
Arrived quickly. Even got a sticker with it.
Solid looking battery, came well packaged. Have used their battery before for my lawnmower and now looking forward to see how it lasts in my snowmobile.
I can't believe it less than 48hrs since I ordered from Walmart and it's in the machine. What more can I say except great price.
Thanks Larry
Item as described and perfect fit and arrived on time
Battery arrived in a good shape package strait to my door steps
Arrived just in time to power my generator here in the cold Maine winters. Excellent service!
Arrived quickly from WALMART.COM. Perfect size and proper placement in my generator. Installation was easy. Generator fired right up. Battery came fully charged.
New battery. Ready for cold weather!
So far these Might Max batteries are good but it’s only the first day and they were on charge for 12 hrs. I’ll have to come back and do an update at some point in time. Ordered them on Amazon and got them the next day. I was encouraged by Mighty Max to make this google review and post pictures to extend my warranty for 3 months but there is no way to post pictures 🤣🤣🤣 It’s been a few months and I was able to go back and edit, so here is a video I made, the rest of the photos I have deleted. Batteries are still going strong. Update 12-11-2025
They arrived within 2 days of ordering them packaging was really good I haven't put them in my MX350 yet I hit them with my multi meter fresh out of the box and got 12.4v on both batteries so that is good