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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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 4212 reviews
1st experience with mightymax and super pleased..100% recommend
Going in my BADBOY mower 27 HP
Fit my Duramax dual feed generator perfectly
Was a day late but packaging was good and easy to track with daily tracking details.
Easy and arrived early!
The Ebay seller was very gracious and replaced the battery that failed after 11 months. Thank you for the replacement.
Looks good.
So far so good, came fully charged ready to go. For a TTR230. Will update later if there are problems. I treat my batteries well. Bring them in the house over winter when not in use and charge them periodically. So it would have to be a manufactures defect or poor quality if it doesn't last five years.
Purchased from Amazon. Shipped and arrived timely, as expected. Perfectly fit my CyberPower ur700 just as Mighty Max said they would and they brought my CyberPower back to life.
I purchased the Mighty Max Battery YB12A-A for my 1982 Honda CM450E motorcycle. The battery arrived in excellent condition and was fully charged. It fit my motorcycle perfectly. After installing the battery it turned engine over like the bike was new again. I am looking forward to the upcoming motorcycle riding season. This was a good purchase.