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🔋 Power up your gear with unstoppable energy!
The Mighty Max ML7-12 is a compact, 12V 7.2Ah sealed lead acid rechargeable battery designed for high performance and durability. Its maintenance-free design and shock-resistant build make it ideal for powering tools and devices in any environment, while its versatile mounting options and reliable capacity ensure you never run out of juice when it matters most.





| ASIN | B00K8V30D0 |
| Amperage | 7.2 A |
| Antenna Location | Power Tool |
| Battery Capacity | 72 |
| Battery Cell Composition | Sealed Lead Acid |
| Battery Cell Type | Sealed Lead Acid |
| Battery Weight | 5 pounds |
| Best Sellers Rank | #8,143 in Health & Household ( See Top 100 in Health & Household ) #7 in 12V Batteries |
| Brand | Mighty Max Battery |
| Compatible Phone Models | No Phone Models |
| Customer Reviews | 4.4 out of 5 stars 12,860 Reviews |
| Included Components | Battery |
| Item Dimensions | 6.25 x 2.75 x 4.25 inches |
| Item Type Name | SLA Battery |
| Item Weight | 4.5 pounds |
| Manufacturer | Mighty Max Battery |
| Model Name | ML7-12 |
| Model Number | ML7-12 |
| Number of Batteries | 1 12V batteries required. |
| Recommended Uses For Product | Power Tool |
| Reusability | Rechargeable |
| UPC | 860000524902 082045914993 |
| Unit Count | 1 Count |
| Voltage | 12 volts |
| Warranty Description | Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service. |
L**N
The bumboxx battery dies! Replace with the mighty max 12volt and problem solved!
This is the battery you need for your bumboxx flare 8 replacement battery!!!
M**B
Perfect Replacement Battery for My ONT
I purchased this battery to replace the backup battery in my home’s ONT, which keeps my fiber internet and phone service running during power outages. My original battery had begun triggering low battery alerts and was no longer holding a proper charge, so I needed a compatible 12V 7Ah sealed lead acid replacement with F1 terminals. This unit is a 12V 7Ah SLA battery with F1 spade terminals, and the dimensions matched my original battery exactly. The terminal size and placement were identical, which made it a true drop in replacement for my ONT. If your existing battery is labeled 12V 7Ah with F1 connectors, this should be fully compatible, but I recommend checking the label on your current battery to confirm before ordering. Removing the old battery was very simple. I opened the ONT battery compartment, disconnected the red and black F1 spade connectors, and lifted the old battery out. Installing this one took just a few minutes. The connectors slid onto the terminals securely, and the battery fit neatly into the compartment without any forcing or adjustment. As soon as I connected it, the ONT recognized the new battery and the low battery warning stopped immediately. The system has been operating normally since installation. While I have not yet had a long power outage to fully test runtime, the battery is charging properly and everything appears stable. For anyone needing a standard 12V 7Ah replacement with F1 terminals for an ONT backup system, this has been a reliable and cost effective solution in my experience. Excellent value for the money.
M**Y
Battery life unbelievably great
Best battery ever! I bought it for my ION speaker and my speaker sounds so much better I’m shocked. I’ve been waiting for it to die so I can charge it fully and it has been 4 weeks of constant playing and it’s just dropped one bar only.
U**T
ION speaker battery change out
Mighty Max 12v 7.2ah battery. I installed this battery in my ION BT speaker. Charged the battery up and it's holding a good charge. I was down to only a few minutes with the original battery. I removed the 4 metric allen head screws from the bottom of the speaker, also removed the 2 phillips head screws for the wheels. Pretty straightforward change
D**Y
Great replacement for FIOS wall boxes and many UPS units!
Fits perfectly and is a great price! I needed a replacement battery for my FIOS box and a UPS backup device. Very happy.
M**L
Good long lasting battery
Battery works good and puts out a stable 12v voltage that is reliable. You can purchase and sla safe charger to charge the battery. Battery life seems to last a long time also.
R**W
Good battery for multiple purposes serves my needs
I bought this battery to power my fish finder for my boat when I'm programming it off the boat it provides the power I need I just had to buy an adapter cord here on Amazon to fit my fish finder and it works perfect turns out I have a second use for it runs a little booster pump when I fertigate in my garden I just had to make an adapter for it to plug in onto the battery fortunately the battery has standard blade quick connects so I just soldered connectors onto a set of wires that plug into the booster pump and it's nice small lightweight so it's easy to transport to my garden in a bucket with the little pump so it serves me dual purpose it also charges very quickly with a standard Automotive 12 volt charger and it's a sealed battery so you don't have to worry about acid getting all over like a traditional battery
R**E
Didn't last, no refund
I bought this to power an electric fence just to prevent my horses and goats from reaching over the top of my exisiting fence and destroying it. The fence worked great, it's just a single strand, no one messed with the fence once everyone got a little zap. It worked for 3 days, then I needed to recharge the battery, no big deal, everyone is penned up at nighttime anyway. This worked so well that 2 weeks later I bought a second system (battery and electric fence) to guard my garden from the same problem. Same thing, worked well for 3 days, then needed a charge. Only this time, around my garden, the battery wouldn't charge. It threw my charger right into "recondition" mode, then my charger would say that the clamps weren't on the posts. So I'd reposition the clamp, the charger said they had full contact, hit the charge button, and it would do the same thing. I tried for over an hour to get this one battery to charge, or even go into an actual recondition mode. It never did. So I contacted Amazon, they said it was a manufacturer thing, so I contacted the manufacturer, they said it was an Amazon thing, and I went back and forth with both companies for 6 days before giving up and accepting that I wasted money on a paperweight. Ended up spending another $200 on a plug in electric fence and a 100 foot extension cord to at least power the main fence. Since the battery for the main fence was still working, I used it on my garden fence, figuring maybe a smaller fence would be better for the battery. It worked well until the day before yesterday when the battery started doing the same thing as the first one. So now I have $40 in brand new useless batteries and an electric fence around my garden that doesn't work and I have to go get another plug in fence and extension cord. Amazon said the battery is not returnable, and the manufacturer said it's Amazon's product so I have to go through them. What a cluster----.
B**H
Backed Their Product
I purchased 4 of these for my 2 APC UPS’s in August of 2024. I had to ship 2 back for exchange as they would not charge. Replacements arrived quickly from seller. However in the end after mix and match out of the 4 two were good and 2 seemed marginal, but I kept them because of return inconvenience. The 2 good ones are still giving me a run time of 150 minutes for my router, ISP equipment, and security cameras. Verified by recent extended power outage and UPS feature. They are great. The marginal ones now after 10 months have no reserve capacity, and never were very good, even though showing full charge. They actually fully failed a couple months ago but only now am I trying to have replacement covered by 1 year warranty. With previous batteries, before failing, the attached equipment had 15 minutes of run time when on and 45 minutes when in standby. I should have returned the marginal ones…..along with the others. I have since contacted the vendor using the supplied Amazon support link to replace the two batteries still within the 1 year warranty period. I was discouraged after not receiving a reply in a reasonable amount of time, but when I checked my junk, sure enough there was a reply that arrived within 2 days. I replied and showed proof of failure. The good news is that replacements have now arrived. Batteries can be difficult, but Mighty Max made things right.
R**O
Funciona perfecto
Esta muy bien
S**Z
Excelente opción
Funcionan perfectamente
L**E
This is the battery you want, I have bought 100+ of them!
I have been using this brand for quite a while now for all the UPS power back-up's, and DSC Alarm systems that I service in my house, friends and family so I have probably purchased about 100-120 batteries over a 7 year period and these batteries consistently are far better quality and last longer than any other battery of this type/class. Not even brand name batteries, which cost a lot more from the manufacturers, are as good as these Mighy Batteries are. I can't sing enough praise about the batteries from this company. They are excellent. The service from this company is also exceptional when I have had to reach out to them for items lost or damaged in shipping. It's no problem to get a battery replaced. That to me, makes this brand of battery the only choice for my applications. 100% quality, and 100% backed up with great customer service too! What more could you ask for in a purchase?
J**E
Hours on the water with this battery
Works perfectly! Just as advertised!
Trustpilot
5 days ago
2 weeks ago