Mighty Max Battery ML5-12

Curated from 32 real Reddit conversations

Refreshed on: March 13, 2025

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Mighty Max Battery ML5-12

Brand: Mighty Max Battery
Price: $17
Snoop Score:
7.0
Sentiment
7.5
Popularity
9.5
Technical
6.2
Buy on Amazon for $17See All 12V Reviews
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Snoop's Take

The Mighty Max Battery ML5-12 is a robust 12V, 5AH sealed lead acid power source designed for maintenance-free operation. It serves as a dependable energy storage solution across home security devices, LED lighting systems, and automotive accessories. Community chatter paints a picture of solid performance with a side of skepticism. As one user put it, “5 years is pretty good for batteries like that, I’ll probably go ahead and buy the mighty max batteries.” The reviews sing praises for its longevity in UPS setups and even note quirky design details like the specialized terminal, though a few voices question its overall quality. This lively reddit debate underscores a mix of enthusiastic endorsements and cautious observation. In conclusion, despite a few reservations, the Mighty Max Battery ML5-12 stands out in its category by delivering reliable, consistent power at an unbeatable price. Experts and users alike recommend it for those needing a no-nonsense, dependable 12V power source.

Not for you? Check out our other rated 12V

5 years is pretty good for batteries like that, I’ll probably go ahead and buy the mighty max batteries.

Positive Feedback

The current draw is based on what the LED lights require up to the maximum the battery can provide.

Insightful Chatter
Product
7.0
Mighty Max Battery ML5-12
Buy on Amazon for $17
Home Security Devices
6 / 10
LED Lighting Systems
3 / 10
Automotive Accessories
7 / 10
Emergency Backup
8 / 10
See how this compares to all 12V

What it does well!

Key strengths users can’t stop talking about.
Reliable UPS performance and longevity
“5 years is pretty good for batteries like that, I’ll probably go ahead and buy the mighty max batteries.”➕
“Yuppers. Have used MM batteries quite a bit in things.”➕
“I have used them in my UPSs for years. They work.”➕
Viable replacement battery alternative for Ryobi equipment
“I found these alternatives from Mighty Max for $179 and $199.”➕
Battery terminal design requires specific crimp-on eyelet cable connections
“that's what the big hole in the tab is for :)”➕
Effective use with buck converter for Arduino projects
“the 18Ah battery will last about a week.”➕

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Core Power Plays

The specs and strengths that make it shine.
Technical explanation of current draw
“The current draw is based on what the LED lights require up to the maximum the battery can provide.”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
UPS replacement compatibility tips
“Yes, just put the exact same size lead acid back in it.”➕
“You don't have to get the exact same battery, just one with the same voltage (12V), dimensions and the same capacity (7.2AH) or higher.”➕
“CSB batteries are a good replacement if you want it to last as long as possible.”➕
Charger and charging time advice
“Leave it overnight. 2A isn't a lot.”➕
“I didn't trust it to leave it charging while I was at work.”➕
“A 2 Amp charger should charge it in about 10-15 hours if the battery is chargeable.”➕
“If it's supplying a proper and steady 2a, it should take 5 hours from dead since it's a 10ah battery.”➕
Advice on maintaining 12V for ride-on applications to ensure performance and safety
“Staying 12v will be the simplest way to swap batteries and not worry about anything else.”➕
“Thanks, that is useful!”➕
“When you go higher than 12V it will increase the stress on the motors and you will end up replacing the motors sooner rather than later or never.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Electrical safety clarification
“it's not the volts that kill, it's the amps is oversimplified and should not be taken as safety advice.”➕

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