YB9A-A -12 Volt 9 AH, 130 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
YB9A-A -12 Volt 9 AH, 130 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
YB9A-A -12 Volt 9 AH, 130 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
YB9A-A -12 Volt 9 AH, 130 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
YB9A-A -12 Volt 9 AH, 130 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery

YB9A-A 12V 9AH Battery Replacement for M229AY, M329AY, MOSM329AY

(16 customer reviews)

$29.99

YB9A-A 12V 9AH Battery Replacement for M229AY, M329AY, MOSM329AY

Availability: In stock

SKU: YB9A-A51 Category:
This YB9A-A is a sealed lead-acid (SLA) absorbed glass mat (AGM) rechargeable battery. AGM and GEL batteries are lead-acid and of the same battery chemistry. This battery comes already charged, sealed, maintenance free, and ready to install.
Premium quality absorbed glass mat technology (AGM) is ideal for ATVs, Motorcycles, Personal Watercraft, Jet Ski’s, Snowmobiles and more.
Specifications of the YB9A-A Battery
Voltage: 12 Volt
Amperage: 9 AH
Chemistry: SLA, AGM
Terminal: Nut & Bolt 
Battery Dimensions: 
5.30 in x 3.00 in x 5.25 in
Weight: 6.19 Lbs
Warranty
1 Year
Volts

12V
Amp Hour

9Ah
Chemistry

SLA / AGM
Length

5.30
Width

3.00
Height

5.25
Warranty

1 Year
Quantity

1
Weight

6.19 Lbs
Terminal

Nut and Bolt
CCA

130
Polarity

+ I –

16 reviews for YB9A-A 12V 9AH Battery Replacement for M229AY, M329AY, MOSM329AY

  1. Alex R. –

    Perfect for Predator 9000 generator. Started it in a split second. So far no complaints. Tested it with my 200$ battery tester and it said it was 100% charged and all cells good. Ready for hurricane season now.

  2. martin lopez –

    Wasy install. All.the hardware came with it

  3. matt carroll –

    Good battery

  4. Frugal –

    Fit perfect, charges great and holds charge exceptionally well.

  5. Kappy –

    worked

  6. Tony Rodr??guez –

    Great product. I am using it for a 7500 Electric generator at home. You can trust it!

  7. curt –

    fast and easy

  8. Ronald E. Walinski –

  9. Carol L. Fox –

    started up at first use, no issues at all.

  10. Bert Williams –

    This battery performed well, even just out of the box. With my limited use so far the battery is cranking up my 10K watt generator well.

  11. Bert Williams –

    This battery performed well, even just out of the box. With my limited use so far the battery is cranking up my 10K watt generator well.

  12. Frank D. –

    Product worked fine for my pressure washer. Lets see how long it lasts.

  13. algreen –

    Fit perfectly and cranked over my 2008 Vespa LX50.

  14. algreen –

    Fit perfectly and cranked over my 2008 Vespa LX50.

  15. BTCTop Contributor: Camping –

    After accidentally leaving the lights on my ATV and killing the battery I placed my order for this battery. Dropped it in and instantly fired up the engine, no problem. I’ve been using the battery for months and have zero user issues. Reasonable price, perfect fit, working well.

  16. BTC –

    After accidentally leaving the lights on my ATV and killing the battery I placed my order for this battery. Dropped it in and instantly fired up the engine, no problem. I’ve been using the battery for months and have zero user issues. Reasonable price, perfect fit, working well.

Only logged in customers who have purchased this product may leave a review.

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Mighty max brings the battery backup back.
Errol Cramer
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Arrived well packed in unopened sturdy box. Was replacement for identical Mighty Max battery I ordered 2 years ago. Taking 1 star off because didn’t include the needed terminal clips - was able to use the old battery’s clips
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Same model fits in each of our four wheelers great product
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Replacement for my Murray MT100 riding lawnmower. Murray does not make replacement batteries and you are on your own if the battery goes bad. Bought Murray MT100 in 2023, battery went bad in 1 year and all other Murray replacement batteries are LARGER so it won't fit.This Mighty Max Battery fit the MT100 fine and it starts it perfectly too.
Dave S
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Direct replacement for generac portable electric start generator. Works great.
Theresa O'dell
Theresa O'dell
Received really quick. Boxed well and fit great. Worked like a charm! I would definitely recommend this battery.
Austin Matthews
Austin Matthews
As an athletic trainer I rely on our water units every day to provide the water to our athletes. We have over 900 student athletes enrolled, and these units get used daily, so it is imperative these batteries are reliable. On a side note, I also use these batteries on my fishing kayak to power my fish finder. I can use my fish finder for about 20 hours before it turns off. These batteries are great! Highly recommend. I have not had any issues so I haven't spoken to customer service yet, but if they are as good as these batteries have been, I think I am in good hands.
Amy Richards
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Needed a replacement battery and the manufacturer wanted $50 whereas you only required $20. Made it worth it!
Sergio Barrera
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satisfy with price and easy installation.
Kyle Sid
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Arrived in great condition comes with the bolts to attach the wire over all very satisfied
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