Rated 4.53 out of 5 based on 15 customer ratings
(15 customer reviews)

$24.99

12V 9Ah Compatible Battery for APC BACK-UPS NS1250, NS 1250

SKU: ML9-12106 Category:
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$ 24.99
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Delivering power when you need it, the Mighty Max ML9-12 12 Volt 9 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 ML9-12 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: 9 AH
Chemistry: SLA, AGM
Terminal: F2
Battery Dimensions: 
5.94 in x 2.56 in x 4.02 in
Weight: 5.10 Lbs
Warranty
1 Year
Multi Packs Bundled Savings

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

15 reviews for 12V 9Ah Compatible Battery for APC BACK-UPS NS1250, NS 1250

  1. Rated 4 out of 5

    Albert B. St Md

    Was right size worked and less expensive

  2. Rated 5 out of 5

    Meowskers

    I used this battery to replace a dead one in an APC UPS-550 that I found at Goodwill. It works perfectly. The connectors are the .250 that you need (I saw people complaining on other batteries that had .125 connectors). So far no issues. I will update my review if anything unexpected occurs.

  3. Rated 5 out of 5

    Doug Stone

    I used this battery to replace a dead one in an APC UPS-550 that I found at Goodwill. It works perfectly. The connectors are the .250 that you need (I saw people complaining on other batteries that had .125 connectors). So far no issues. I will update my review if anything unexpected occurs.

  4. Rated 5 out of 5

    P. Patel

    Ran a test and worked fine in my APC Back-UPS 1250.

  5. Rated 5 out of 5

    Robert Dockham

    It fits my APC backup and seems to be working fine

  6. Rated 5 out of 5

    D. Lyman

    Works great. no problems

  7. Rated 4 out of 5

    Bill in San Jose

    1 Month so far, all good. Fit my AT&T ONT box perfect, spade lugs are the correct size.

  8. Rated 5 out of 5

    jomebrew

    It puts out without input. Johnny 5 would struggle without input but not the Mighty Max.

  9. Rated 4 out of 5

    TXShotgun36

    Worked as expected

  10. Rated 4 out of 5

    TXShotgun36

    Worked as expected

  11. Rated 5 out of 5

    mb#1

    My APC Back Up is now back up and running!!!

  12. Rated 5 out of 5

    mb1

    My APC Back Up is now back up and running!!!

  13. Rated 4 out of 5

    Mason

    Silly me. I thought when I bought his 2 would come because that is what is needed. It was only one. So if you get this, make sure if you need 2 get the pair. They seem to work fine.

  14. Rated 3 out of 5

    Thomas Finch

    Works as expected

  15. Rated 5 out of 5

    Ron Sink

    Works great. It seems to function just as the original battery did.

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Excellent
Mighty Max Battery
Based on 4278 reviews
Delivered quickly, packed excellent!
Very fast delivery and excellent price!
Arrived fast and safe, it was undamaged and packed securely.
New battery arrived today !!! Great price point looks exactly like the OEM part plus 50 more CCA! Thank you
This seems to be a perfect replacement for my mighty mule garage door opener backup battery. I bought the ML 5–12 model. It arrived securely packaged, and time will tell how well it works. The other one got used a couple of times during power outages and served about 10 years.
Fast arrival time! Packaged well!
Good product for my power washer with electric start
works perfectly in my KLX! Love it!
I ordered this battery on Amazon. Got a really good prize. ordered on Wednesday and it came in on Friday. Just as it said it, I installed it in my cub cadet went right in plugged right up started a lawnmower that hasn’t been started all year
Been running all year I would recommend this to anybody that needs one
Order via & arrived the next day. Easy install & beeping, red light both gone!