ML3-12 - 12 Volt 3 AH, F1 Terminal, Rechargeable SLA AGM Battery
ML3-12 - 12 Volt 3 AH, F1 Terminal, Rechargeable SLA AGM Battery
ML3-12 - 12 Volt 3 AH, F1 Terminal, Rechargeable SLA AGM Battery
ML3-12 - 12 Volt 3 AH, F1 Terminal, Rechargeable SLA AGM Battery
ML3-12 - 12 Volt 3 AH, F1 Terminal, Rechargeable SLA AGM Battery
Rated 4.63 out of 5 based on 16 customer ratings
(16 customer reviews)

$18.99

ML3-12 – 12V 3AH SLA UPS Battery Replacement for Long Batteries WP312

SKU: ML3-1268 Category:
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$33.99
$46.99
$59.99
$89.99
$139.99
$18.99
Delivering power when you need it, the Mighty Max ML3-12 12 Volt 3 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 ML3-12 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: 3 AH
Chemistry: SLA, AGM
Terminal: F1
Battery Dimensions: 
5.28 in x 2.64 in x 2.64 in
Weight: 3.20 Lbs
Warranty
1 Year
Multi Packs Bundled Savings

1 Pack, 2 Pack, 3 Pack, 4 Pack, 6 Pack, 10 Pack
Volts

12V
Amp Hour

3Ah
Chemistry

SLA / AGM
Terminal

.187" – F1
Quantity

1
Length

5.28
Width

2.64
Height

2.64
Weight

3.20 Lbs
Warranty

1 Year

16 reviews for ML3-12 – 12V 3AH SLA UPS Battery Replacement for Long Batteries WP312

  1. Rated 5 out of 5

    DD –

    Purchased this battery for my mower after making sure all the specs were right. It works perfectly! I’d ordered a battery from the local lawn equipment repair shop for $60 before it occurred to me to check online. Canceled that order, got this one instead, and was extremely happy about how much money I saved!

  2. Rated 5 out of 5

    Kenneth E. Guard –

    best price I could find on item I needed

  3. Rated 5 out of 5

    Johnny C –

    Good as the original.

  4. Rated 5 out of 5

    Neil –

    Perfect replacement at a reasonable price.

  5. Rated 3 out of 5

    Gary R –

    Haven’t had it long, so can’t say how long it will last. Bought it to replace the battery in APC BE325R UPS. Would give it another star but it is very slightly too big for the slot for it in the BE325R. I was able to get the cover back on, but had to force it some and the cover doesn’t close flat. It is functional, though.

  6. Rated 5 out of 5

    juan rivera –

    good

  7. Rated 5 out of 5

    JR Woodworker –

    this battery works great as a replacement battery in my power backup unit.

  8. Rated 5 out of 5

    Leenie Atwood –

    Just what I ordered and expected

  9. Rated 4 out of 5

    Travis –

    Does what it’s supposed to. Certainly no complaints.

  10. Rated 4 out of 5

    MT –

    Glad to have this available.

  11. Rated 5 out of 5

    Kenneth Nesteroff –

    Worked perfectly!

  12. Rated 5 out of 5

    James and Jenn –

    Battery was a direct replacement and has been working as expected so far.

  13. Rated 5 out of 5

    D. Temkin –

    it does exactly what I want, delivery was prompt

  14. Rated 3 out of 5

    Edwin B. Miller –

    seemed to work, but lets wait and see!

  15. Rated 5 out of 5

    Penguin –

    Works perfectly! Arrived as expected/shipped promptly. Trustworthy merchant.

  16. Rated 5 out of 5

    Penguin –

    Works perfectly! Arrived as expected/shipped promptly. Trustworthy merchant.

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Excellent
Mighty Max Battery
Based on 4689 reviews
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Leon S
Well packaged, battery looks to be good quality, will install on the weekend and update over time. Got it on Amazon.
Michael Hough
Arrived quickly, week package. Week put them to use quickly in Spain.
bruce turner
Love my monster music box and my 1st battery lasted a long time.
Linnea Murray
Had a Legend battery bought in January of 2024 that went bad wouldn’t start under a load. I have a 2005 Volvo xc90 V8 so the battery cranking is important. Ordered the Mighty Max through Amazon I was overnighted to me , delivered to my doorstep. Recharged all ready to go drop in and start, beautiful! Has a 3 year warranty with options to extend that warranty. How great is that!
William Coe, Jr.
The batteries were packaged well, and arrived looking good. Now we need to hook them up.
Paul Bulens
Came fast and packaged well. Even came with a sticker. Fun stuff
MrGlbeck88
Excellent battery replacement for Razor Electric bikes!
Z Curtis
so far so good! scooter wouldn’t start but i got this battery the next day and it started right away!
Emjhaye Juan
ML22-12 Gel type and ML22-12 Non Gel type Batteries came in good condition, purchased from Amazon 6/23/26 and arrived the next day packaged really good.
Hal Model
Very well packaged and.arrived as promised

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