ML5-12 - 12 Volt 5 AH, F1 Terminal, Rechargeable SLA AGM Battery
ML5-12 - 12 Volt 5 AH, F1 Terminal, Rechargeable SLA AGM Battery
ML5-12 - 12 Volt 5 AH, F1 Terminal, Rechargeable SLA AGM Battery
ML5-12 - 12 Volt 5 AH, F1 Terminal, Rechargeable SLA AGM Battery
ML5-12 - 12 Volt 5 AH, F1 Terminal, Rechargeable SLA AGM Battery
Rated 4.75 out of 5 based on 16 customer ratings
(16 customer reviews)

$17.99

ML5-12 12V 5AH Black Decker Replacement 243213-00 Battery for CS100 and CST2000 tools

SKU: ML5-1225411111 Category:
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$ 17.99
$ 28.99
$ 39.99
$ 52.99
$ 74.99
$ 109.99
$ 139.99
Delivering power when you need it, the Mighty Max ML5-12 12 Volt 5 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 ML5-12 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: 5 AH
Chemistry: SLA, AGM
Terminal: F1
Battery Dimensions: 
3.58 in x 2.76 in x 4.21 in
Weight: 3.09 Lbs
Warranty 1 Year
Multi Packs Bundled Savings

12 Pack, 1 Pack, 2 Pack, 3 Pack, 4 Pack, 6 Pack, 9 Pack
Volts

12V
Amp Hour

5Ah
Chemistry

SLA / AGM
Quantity

1
Length

3.58
Width

2.76
Height

4.21
Weight

3.09 Lbs
Warranty

1 Year

16 reviews for ML5-12 12V 5AH Black Decker Replacement 243213-00 Battery for CS100 and CST2000 tools

  1. Rated 5 out of 5

    Radio Telegrapher –

    This is an exact replacement for my Black & Decker string trimmer. Fits and works perfectly.

  2. Rated 5 out of 5

    Muglborn –

    This is my second battery that replaced one that lasted five years last time. Not bad for being tossed around in the fields and later stowed on a garage wall each night for charging.

  3. Rated 5 out of 5

    76Explorer –

    Old battery would die in 30 mins. Runtime is back up to an hour now.

  4. Rated 5 out of 5

    Explorer76 –

    Old battery would die in 30 mins. Runtime is back up to an hour now.

  5. Rated 5 out of 5

    John O. –

    I received the product very quickly and replaced my old alarm system battery. So far, no problems. It did appear that it was refurbished/recycled.

  6. Rated 5 out of 5

    KimBob –

    Received it time. it fits perfectly in my old blower. Didn’t have to buy a new blower.

  7. Rated 5 out of 5

    Andrew A. –

    Replace the failed battery in a Black & Decker leaf-blower for about one-the B%D price.

  8. Rated 5 out of 5

    Jack Hvizdos –

    Leaf blower

  9. Rated 5 out of 5

    Hemlock13 –

    This is exactly correct for my B&D blower and it was about 5 mins of work to install. It came well packaged and was delivered in a very reasonable timeframe. No issues from my perspective and I would recommend this supplier.

  10. Rated 5 out of 5

    Hemlock13 –

    This is exactly correct for my B&D blower and it was about 5 mins of work to install. It came well packaged and was delivered in a very reasonable timeframe. No issues from my perspective and I would recommend this supplier.

  11. Rated 5 out of 5

    Greg Ross –

    Great power. Lasts well over previous battery from the first try when new. Very happy with this bray.

  12. Rated 5 out of 5

    theshaman –

    perfect fit, easy to install, resuscitated a perfectly good blower!

  13. Rated 5 out of 5

    CDH –

    perfect fit, easy to install, resuscitated a perfectly good blower!

  14. Rated 5 out of 5

    FEWG –

    ok

  15. Rated 3 out of 5

    K. Babb –

    It’s a battery and its worked OK so far. Not as stronger as the original battery in my Black and Decker blower butat least I can get the entire driveway blown off before it dies.

  16. Rated 3 out of 5

    Frank Marquez –

    It’s a battery, it works, move on…..

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Excellent
Mighty Max Battery
Based on 3474 reviews
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John & Cathy
Arrived quickly. Even got a sticker with it.
Sean Chacon
Solid looking battery, came well packaged. Have used their battery before for my lawnmower and now looking forward to see how it lasts in my snowmobile.
larry scervino
I can't believe it less than 48hrs since I ordered from Walmart and it's in the machine. What more can I say except great price.
Thanks Larry
Paul Major
Item as described and perfect fit and arrived on time
Manny Jaramillo
Battery arrived in a good shape package strait to my door steps
Robin Lauer
Arrived just in time to power my generator here in the cold Maine winters. Excellent service!
Shutter Dog Homestead
Arrived quickly from WALMART.COM. Perfect size and proper placement in my generator. Installation was easy. Generator fired right up. Battery came fully charged.
Larry Geiger
New battery. Ready for cold weather!
Harmon Chandler
So far these Might Max batteries are good but it’s only the first day and they were on charge for 12 hrs. I’ll have to come back and do an update at some point in time. Ordered them on Amazon and got them the next day. I was encouraged by Mighty Max to make this google review and post pictures to extend my warranty for 3 months but there is no way to post pictures 🤣🤣🤣 It’s been a few months and I was able to go back and edit, so here is a video I made, the rest of the photos I have deleted. Batteries are still going strong. Update 12-11-2025
Carl Ruckinger
They arrived within 2 days of ordering them packaging was really good I haven't put them in my MX350 yet I hit them with my multi meter fresh out of the box and got 12.4v on both batteries so that is good

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