Rated 4.69 out of 5 based on 36 customer ratings
(36 customer reviews)

$18.99

12V 3.4AH Compatible Battery for APC ES BE350G BE350T BE350U RBC35

Availability: In stock

SKU: ML3-12104 Category:
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
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

36 reviews for 12V 3.4AH Compatible Battery for APC ES BE350G BE350T BE350U RBC35

  1. Rated 5 out of 5

    William Miller (verified owner) –

  2. Rated 5 out of 5

    kyle –

    Literally just a battery for my UPS power delivt/protection system

  3. Rated 5 out of 5

    Alca Group,LLC –

    Evrything ok

  4. Rated 5 out of 5

    Bluz Suns –

    Easy install. Fits perfectly once you turn it in the right direction. Easy to make the connections without tools. We teach online, so this will protect computers, router, modem, and printer. I feel better during thunderstorms. Glad I could replace the battery rather than purchase a whole new unit.

  5. Rated 5 out of 5

    Dave H. –

    So far it has been working well as a replacement. The factory battery lasted about 6 years but too early to tell if this will last as long. Good value for the price.

  6. Rated 5 out of 5

    Web Customer –

    Received what I ordered

  7. Rated 5 out of 5

    A. Chen –

    Got this to replace a dead APC UPS battery. Fit well, and gave me no problems. Hopefully it lasts as long as the previous one.

  8. Rated 5 out of 5

    Web Customer –

    This battery is a quality product and fits perfectly except for the terminals. They were not the same shape or size as the original battery in the UPS. I used a needle nose pliers to crimp the female spade lug connectors so that they could make good contact with the male terminals on the battery. The battery has performed very well in the UPS ever since I did that. Longevity is unknown since it was just installed.

  9. Rated 4 out of 5

    Alan C. –

    Compare to the origin battery, this battery only cost 50% of the orginal equipment. The battery is fully charged when received, so it can be use right the way.

  10. Rated 5 out of 5

    Web Customer –

    Works as a replacement for UPS battery.

  11. Rated 4 out of 5

    RAS –

    Bought for a UPS and slipped right in. Powered up and is charging. Happy it worked out.

  12. Rated 5 out of 5

    Yvonne K. –

    I received this battery very quickly, which I appreciated because my security cameras around the outside of my house are plugged into this.

  13. Rated 5 out of 5

    John Hume –

    see above

  14. Rated 5 out of 5

    AC –

    I only buy one brand for all my battery backup products so I’ll know if they will all be very good or very bad.I have to say Might Max brand seems to be good so far. I have 3 different battery backup models and one car jump starter in the house. All with Mightmax batteries. This model seems to have the smaller of the batteries and looking for the smallest power user to hook the APC ES 350 on. Why let a 10 year old $60 UPS go to waste for a $15 battery. With all the power surges that come throughout the year it protects your electronics. I’ll probably use it on my Modem and router.

  15. Rated 5 out of 5

    Logistics Guy –

    Always get a strong, long last replacement in this line. Perfect fit for my UPS backup.

  16. Rated 5 out of 5

    Glen Miranker –

    Battery seems just fine. Time will tell — the SLA it replaced was 8 years old. I wish the spade connector as 1/4 (vs the 3/16).GSM

  17. Rated 4 out of 5

    karen3678 –

    It’s a battery so we will see how long it lasts. Hopefully a long time

  18. Rated 5 out of 5

    MOHI –

    Nothing to dislike, battery arrived in perfect condition. Installation was a breeze, up and running within minutes of receiving. It took me more time to find my screwdrivers…lol!

  19. Rated 3 out of 5

    Jose Martin Rojas –

    When is inserted in compartment does not close the lid. UPS APC BE350

  20. Rated 5 out of 5

    Jonathan –

    I needed a UPS for my son’s PC, and luckily remembered that I had a couple old ones in storage before I bought a new one. The price of this new battery compared to the price of a new UPS of the same spec was less than half, so i went for this. So far it has worked just as expected.

  21. Rated 4 out of 5

    Spikey –

    As described. Replaced defective battery in UPS. Works fine. Fits properly.

  22. Rated 5 out of 5

    BRYAN LANGSTON –

    Excellent

  23. Rated 5 out of 5

    Robert –

    It’s fine

  24. Rated 5 out of 5

    Michael C. –

    I have purchased several batteries from Mighty Max Battery and have always been satisfied with quality, fit, price. This last purchase was no exception.

  25. Rated 5 out of 5

    Tommie J. –

    The battery was a fit replacement for the unit at a good price.

  26. Rated 4 out of 5

    NOTLIM –

    Just the battery i was looking for.

  27. Rated 5 out of 5

    M2 –

    Had old APC battery out and this battery installed in seconds. UPS is up and running again. Less than half the cost of an APC battery.

  28. Rated 5 out of 5

    Mr. Mike –

    great product and fast shipping

  29. Rated 5 out of 5

    jeff1965 –

    works great

  30. Rated 5 out of 5

    Dave –

    good. holds charge and runs my lenovo desktop and 22 inch monitor.

  31. Rated 4 out of 5

    Customer –

    As expected.

  32. Rated 5 out of 5

    David Connolly –

    The order was as stated in the ad, it was shipped fast, package was nicely protected, easy to open, I have been using for years, very satisfied.D. Connolly

  33. Rated 5 out of 5

    R. J. GOLDEN –

    Excellent product, battery fits perfectly & holds a charge like it should. I will buy from Mighty Max again!

  34. Rated 5 out of 5

    Gene W. –

    Arrived in a timely fashion and works like a charm… Love it!

  35. Rated 4 out of 5

    Garfield –

    No issues. My unit is working again

  36. Rated 3 out of 5

    Customer –

    Upon installation, there is one minor difference between it and the OEM version: The male spade connectors on the battery itself are the smaller 1/8 ‘mini’ size, while the female connector in the UPS is the larger 1/4 ‘standard’ size. Of course, this is better than the reverse scenario, it still is not an exact fit/replacement.It is currently charging, so I cannot offer any more of a review at this time.

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Excellent
Mighty Max Battery
Based on 5436 reviews
Llegaron muy bien y cargadas listas para colocarse
This battery was half the price as a comparable battery from the local farm store and the same size, voltage, and composition.
I have used the Mighty Max replacement batteries in all my UPS’s for years. I’ve never had a problem with them being in use for at least 4-5 years.

Why pay more when Mighty Max is so reasonably priced.
Perfect fit
I am using these two 12V batteries to repack my 24V drop-in battery unit for my electric lawnmower. After installing the replacement cells I was able to try out my mower to my satisfaction.
Original battery had a problem and a new replacement was sent out. That's Great Service and excellent customer relations!!
This battery is for a Stanley Jump box. Perfect replacement. To help future customers I've included some pics of the replacement process. The battery is accessed via the back panel. Remove all the Phillips head screws (2 sizes) and the back panel to access the battery. I used an 8mm wrench to disconnect the wires on the battery.
Poseidon came properly packaged and arrives fast I purchased from Home Depot for my 2018 turbo s dual battery setup going to try these two batteries out and I'll keep you updated on the status and how long they last big system fast car running the dunes it's dune season let's go
Very Heavy Battery with excellent fit & finish. Arrived with full charge.
You receive this paper slip with your new battery- register online and receive an additional 3 months of warranty! You register online and then told - oh! you also have to post an online review with a photo to get those extra months! So, here ya go.
I ordered the batteries from Home Depot. They arrived sooner than expected. They were a performance replacement, and Granny is up and running the seats again!