Rated 4.87 out of 5 based on 46 customer ratings
(46 customer reviews)

$24.99

12V 9AH Replacement Battery for APC BACK-UPS 600 BN600

SKU: ML9-12942128 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

46 reviews for 12V 9AH Replacement Battery for APC BACK-UPS 600 BN600

  1. Rated 5 out of 5

    Warren Pulliam (verified owner)

  2. Rated 5 out of 5

    Anonymous (verified owner)

    The ordering process was simple and shipping was efficient in spite of the fact that I assumed the order would be delivered by UPS and I had to have MightyMax change the delivery to my mailing address. The change process was handled with excellent communication.

  3. Rated 5 out of 5

    Anonymous (verified owner)

    I have purchased batteries from Mighty Max Battery on two occasions. Both of which were great experiences. The products are great. Delivery was free. I will be ordering from Mighty Max in the future!

  4. Rated 5 out of 5

    Jeff M.

    but my battery backup still doesn’t work.

  5. Rated 4 out of 5

    TREX

    Bought this to fix a UPS that had gone dead. Seems to ahve done the trick quite well.

  6. Rated 5 out of 5

    Robert Kochan

    Great product and service. Fits and works fine in my NS-600.

  7. Rated 5 out of 5

    Uncle Milty

    Battery was a perfect fit and just like the original. Can’t beat the price. I purchase 3 and installed them. If I have any problems with the longevity of the the battery life; I will provide a follow-up comment. But so far so good!

  8. Rated 5 out of 5

    Kindle Customer

    great price and works very well with my Ryobi cordless weed whip. Will go a long time without charging

  9. Rated 5 out of 5

    Rhonda Miller

    great price and works very well with my Ryobi cordless weed whip. Will go a long time without charging

  10. Rated 5 out of 5

    sjkhiker

    Perfect replacement! Just as the last Mighty Max battery is still going strong, this is one working fine too. And – the replacement is a lot cheaper than a new unit.

  11. Rated 4 out of 5

    Kris

    Delivered and working.

  12. Rated 5 out of 5

    PKsings

    Works great, would buy again

  13. Rated 5 out of 5

    Roxanne S.

    The battery was what I expected and works fine. Delivery was fast and all is well with the purchase.,

  14. Rated 5 out of 5

    Delbert J. Mccord

    This work good to replace old batteries in my Back Up Power Supplies.

  15. Rated 4 out of 5

    Web Customer

    Seems to be working well. Looks like an exact replacement.

  16. Rated 4 out of 5

    Customer

    Seems to be working well. Looks like an exact replacement.

  17. Rated 5 out of 5

    C. Earl

    Perfect

  18. Rated 5 out of 5

    OCRay

    F2 terminals fit well.

  19. Rated 5 out of 5

    OCRay

    F2 terminals fit well.

  20. Rated 5 out of 5

    Lester A. Rogers II

    perfect replacement and is still working good

  21. Rated 5 out of 5

    Vitoria Popadiuk

    Great price for the battery and working great

  22. Rated 5 out of 5

    Cliff S

    Battery arrived well packaged. Was a perfect fit replacement.

  23. Rated 5 out of 5

    Tony Chamoun

    Exactly what I needed,

  24. Rated 5 out of 5

    Alex B.

    Fits perfect, works great.

  25. Rated 5 out of 5

    Tim H

    Replaced the battery in my APC battery backup. Works great!

  26. Rated 4 out of 5

    John

    The battery works like the original so far. Hopefully it will last a little longer.

  27. Rated 5 out of 5

    Richard A. Ward

    Worked perfectly, fit exactly, and much cheaper than the APC brand battery which cost almost as much as the UPS

  28. Rated 5 out of 5

    Hamma1

    The battery arrived on time and fit perfectly. No errors or issues after two weeks. My expectation is that this positive trend will continue.

  29. Rated 5 out of 5

    Customer

    The battery arrived on time and fit perfectly. No errors or issues after two weeks. My expectation is that this positive trend will continue.

  30. Rated 5 out of 5

    Web Customer

    It was a match. Working fine.

  31. Rated 5 out of 5

    Kenneth K.

    Caveat: I haven’t tested the capacity of this batter. However, in midtown Atlanta, my house is subject to frequent power glitches due to copious construction projects and this replacement battery has already demonstrated that it is capable of withstanding at least temporary glitches.

  32. Rated 5 out of 5

    Brendan Shurilla

    Works like it should.

  33. Rated 5 out of 5

    Lady Becky

    works great- got my APC backup going again

  34. Rated 5 out of 5

    nivyc

    Perfect fit and works like the original.

  35. Rated 5 out of 5

    Salim C. El-Hayek

    Worked as well as the OEM no issues so far

  36. Rated 5 out of 5

    nivyc

    Perfect fit and works like the original.

  37. Rated 5 out of 5

    Scott

    I haven’t had any issues with Mighty Max batteries.

  38. Rated 5 out of 5

    Web Customer

    Quality product. Fast shipping. Good price.

  39. Rated 5 out of 5

    Customer

    Quality product. Fast shipping. Good price.

  40. Rated 4 out of 5

    Ottis Murdock

    Exactly what I needed

  41. Rated 5 out of 5

    Susan

    Works fine.

  42. Rated 5 out of 5

    C. S. Hughes

    I use these in my battery backup for my PC. They last a long time and recover nicely even when you run them closer to dead than you should.

  43. Rated 5 out of 5

    Capt George

    9AH packed into a typical 7AH case which fit into my Verizon and Home Alarm backup cabinets. Also for use to start up Nitro RC Heli’s and A/C. Price was right and fast ship. I purchased 3 all together.

  44. Rated 5 out of 5

    Capt George

    9AH packed into a typical 7AH case which fit into my Verizon and Home Alarm backup cabinets. Also for use to start up Nitro RC Heli’s and A/C.Price was right and fast ship. I purchased 3 all together.

  45. Rated 5 out of 5

    Mtn Man

    Great-fully charged!

  46. Rated 5 out of 5

    Dean J Trumbull

    Perfect fit for my APC power supply back up. Delivered quick. Checks out with full power reserve like the original battery.

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Excellent
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Works great!!
Love the Boost!!! I got newer batteries for my grandchildren and painted this black for my boys
It was delivered fast. Good product.
Was an excellent fit for my fios wall box. Inexpensive too! Was dealing with a dead battery for years with beeping every few minutes. This fixed it right up and now will keep internet when the power goes out.
Shipped as it should have been. Received in good condition.
This saved my life... Well not my life but... well the battery on my new predator 3500 generator was dead!! I got it on a super duper sale but I didn't open the box for 6 months, when I did I discovered a bad battery 😟. I called them and they wanted double the price I paid for Amazon to deliver it the SAME DAY!! They didn't even carry the battery in their store 🤬. I put it in and just like that, I can run my mobile Italian ice business again! 😆 Thank you mighty max and Amazon for getting me together!!
Great battery at a great price. Work really well.
This might look like a mess of wires, but it's really the backbone of my home's network and more. Everything important to our home security and connectivity relies on steady power that I have on a battery backup.

I just purchased a replacement battery for my UPS and it's a Mighty Max Battery that is working behind the scenes here. This was almost half of the cost of the OEM battery, and it was a perfect fit for the unit.