Rated 4.80 out of 5 based on 40 customer ratings
(40 customer reviews)

$18.99$139.99

ML3-12 – 12V 3AH Replacement Battery for APC Back-UPS ES BE350C / BE350R

SKU: ML3-1263 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

40 reviews for ML3-12 – 12V 3AH Replacement Battery for APC Back-UPS ES BE350C / BE350R

  1. Rated 5 out of 5

    Larry D.

    Replacement battery for weedeater. Last battery went 5 years. Hopefully this one will too.

  2. Rated 5 out of 5

    William E.

    Popped right in and works great.

  3. Rated 5 out of 5

    Chas

  4. Rated 4 out of 5

    Patrick O.

    Worked to replace the bad battery in my back-ups. It’s a battery. It arrived on time and holds a charge.

  5. Rated 5 out of 5

    Steve

    An easy fix for an older APC back up now just like new.

  6. Rated 5 out of 5

    Web Customer

    Good product

  7. Rated 5 out of 5

    J. Arg

    For one-third the price you get the same thing as the APC replacement battery, except for the sticker that APC puts on their batteries to hide the true manufacturer. (Photo shows battery label that was under the APC sticker) Have been using for a year with no problems. This saved my APC unit from the recycle bin.

  8. Rated 4 out of 5

    Matt B

    Mighty Max Battery ML3-12 – 12V 3AH Replacement Battery for APC Back-UPS ES BE350C / BE350R I purchased this battery, not for the backup UPS as indicates in the title, but for the starting motor on my self-propelled lawnmower. This battery exactly replaces the one that came with it when my mower was new. This replacement, being the same part number was the same dimensions and capacity as my original one. It plugged in perfectly, and as the battery came with a partial charge on it, I was able to start my lawnmower right away. If you need this particular battery to replace yours, whether it be on a lawnmower or in a UPS, this one should serve you in good stead.

  9. Rated 4 out of 5

    Xmetal

    Well I needed a battery like this to finally test one of the two APC UPS’s I purchased at yard sales for about $1 to $2.5 (each) years ago … It’s hard to review something like this as I can’t speak for it long term just yet but so far … it went in just fine (+ the APC I am using it with appears to be just fine .. the user upgraded his and this one did need a battery, hence the low price) .. but yeah … so far it is perfectly fine and I am happy with my purchase… just gave it a 3 out of 5 for longevity since i cant speak on that one way or the other, right now

  10. Rated 5 out of 5

    John Lustig

    THE INITIAL BATTERY LASTED FOR A BIT LONGER THAN FIVE YEARS! THE NEW BATTERY DID NOT WORK, NOTIFIED MIGHTY MAX AND A NEW BATTERY WAS SHIPPED IMMEDIATELY! GREAT, IT WORKS AND ALL IS WELL. WILL CERTAINLY GO TO THIS COMPANY FOR FUTURE BATTERY NEEDS.GREAT TO HAVE A COMPANY WITH GREAT SERVICE!

  11. Rated 5 out of 5

    Rosalyn Jorgensen

    this was the correct battery for my APC unit and at a reasonable cost. since I did not have the old battery, I had a hard fitting the new one in, but it does fit, just trial and error.

  12. Rated 5 out of 5

    Mike

    I do not like to but replacement backup batteries. But I have to and the last few times I have ordered for my ACP the Mighty Max Battery ML3-12 – 12V 3AH Replacement Battery and it lst longer than the one that came with my unit. So when I had to order for another unit I bought this again. And very happy with the service and the customer service. Good company to deal with I hope the new ones last as the orther I ordered years ago. Thank You

  13. Rated 5 out of 5

    Joe P

    Battery was easy to install and was the same quality of the OEM that was previously installed

  14. Rated 5 out of 5

    redlead

    had it within 5 days. Just what I needed. Fits like O.E.M.

  15. Rated 5 out of 5

    WADEWARE

    Good product.

  16. Rated 4 out of 5

    Samuel C.

    3 ah not enough power for my mower. Battery was as advertised and promptly delivered.

  17. Rated 4 out of 5

    Reece

    still working after 2 months.

  18. Rated 5 out of 5

    B. Walker

    I bought two of these. They work well, what more is there to say.

  19. Rated 5 out of 5

    vitalie

    10 star

  20. Rated 5 out of 5

    David Coleman

    Works as expected, already saved a recording session!!! Thanks

  21. Rated 5 out of 5

    Annie Fields

    Battery does fit our APC unit, just a slight hump (very slight) on the door. It is attached to medical gear for power outages, keeping the APC up and running is mandatory and this battery does work great.

  22. Rated 5 out of 5

    Red Penney

    The battery arrived promptly; however, when changing the battery we noticed that we just had the UPS hooked up wrong and didn’t need a new battery after all. Since it’s pretty heavy, etc. we’re going to hold onto it until we do need a new battery – and hope for the best with the replacement.

  23. Rated 5 out of 5

    Customer

    working as expected,

  24. Rated 5 out of 5

    KMM

    Worked fine

  25. Rated 5 out of 5

    JEFF M

    GREAT ITEM

  26. Rated 4 out of 5

    tc

    still working.

  27. Rated 5 out of 5

    BonArt

    Working great. Easy install into APC Battery BackupWe will shop at Mighty Max Battery again.

  28. Rated 5 out of 5

    BurghMan

    A perfect replacement for the original battery, which died after a few years. Quick and easy to install, and our router etc. is protected again. A much better alternative than replacing the backup unit – one less item in the landfill, and less $$ out of my pocket!.

  29. Rated 5 out of 5

    Customer

    Shipped promptly, works great, reasonable price. Used as replacement in my APC UPS/Battery backup device

  30. Rated 5 out of 5

    mayman

    To early to know how long it will function but it did put m y UPS back into working order.

  31. Rated 5 out of 5

    R. White

    works fine

  32. Rated 5 out of 5

    PhantomRay

    My original BE350R battery died. Causing the red LED to flash. Only one computer could be supported. No monitor. This battery solved that problem. It fit perfectly inside my APC unit. Some have complained about the connections being too small. I can state with perfect honesty, they fit perfectly. I didn’t have any issues with this battery at all. It connected and my APC is back running at 100%. Will I purchase another one from Mighty Max Battery? YES! Will I recommend them to others? YES I WILL! If you have an APC box, and it needs a battery. I recommend this seller. Use your model number to match the right battery. This is the first time I ever replaced only the battery. I am very pleased with the success of recovering my APC unit.

  33. Rated 5 out of 5

    tj

    So far so good,only time will tell

  34. Rated 4 out of 5

    Joe Fee

    Does NOT fit the BE350R if you reuse +post shield from OEM battery. Fits, as is, with hard pressure on case.

  35. Rated 5 out of 5

    SAlovers

    Replaced UPS battery for APC UPS. It is an exact fit and cost far less than buying one from APC.

  36. Rated 4 out of 5

    SBMongoos

    I’d go five starts but I don’t know how long the charge will last with this battery yet (sitting on the shelf or while in use). Fits the same as the original battery for a 210 PSI portable pump from a long time ago. I can tell this one will do better than the old one because of the sound the pump makes. I haven’t got a chance to use it yet though or had the need.

  37. Rated 5 out of 5

    WMCMKM

    Exactly what I needed to use by APC battery backup again.

  38. Rated 5 out of 5

    BadBrad

    Works great. Hopefully it lasts.

  39. Rated 5 out of 5

    C H

    No problems.

  40. Rated 5 out of 5

    slow mover

    This was a lucky find when I started pricing replacements for the old, dead battery in my APC backup power supply. Product was a perfect replacement fit and the price (with free shipping and no tax!) was wonderful. Loved the deal!

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