YTX20L-BS - 12 Volt 18 AH, 270 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
YTX20L-BS - 12 Volt 18 AH, 270 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
YTX20L-BS - 12 Volt 18 AH, 270 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
YTX20L-BS - 12 Volt 18 AH, 270 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
YTX20L-BS - 12 Volt 18 AH, 270 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
Rated 4.93 out of 5 based on 15 customer ratings
(15 customer reviews)

$54.99

YTX20L-BS Battery for Yamaha Big Bear Grizzly Kodiak YFM400 400, 450

Availability: In stock

SKU: YTX20L-BS256 Category:
This YTX20L-BS 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 YTX20L-BS Battery
Voltage: 12 Volt
Amperage: 18 AH
Chemistry: SLA, AGM
Terminal: Nut & Bolt 
Battery Dimensions: 
6.88 in x 3.50 in x 6.13 in
Weight: 11.79 Lbs
Warranty
1 Year
Amp Hour

18Ah
CCA

270
Chemistry

SLA / AGM
Height

6.13
Length

6.88
Volts

12V
Polarity

– I +
Weight

11.79 Lbs
Warranty

1 Year
Width

3.50

15 reviews for YTX20L-BS Battery for Yamaha Big Bear Grizzly Kodiak YFM400 400, 450

  1. Rated 5 out of 5

    Matt –

    Works great

  2. Rated 5 out of 5

    gary pangione –

    good item good price

  3. Rated 5 out of 5

    robert –

    Old Battery/ new Battery same Size Easy install ????

  4. Rated 5 out of 5

    boaz22 –

    Great product. Easy to install. Fit perfectly. Longetivity TBD. SO FAR TO SO GOOD.

  5. Rated 5 out of 5

    Jessica cortez –

    Easy to install and a great price.

  6. Rated 4 out of 5

    Mrs. Young –

    Works fine just make sure your running it regularly to keep the charge

  7. Rated 5 out of 5

    RLM –

    YTX20L-BS – Very good battery for a good price. Mighty Max was very responsive to a shipping problem that was no fault of their own. Happy with their product and service.

  8. Rated 5 out of 5

    Stretchey –

    Installed in the Yamaha Big Bear starts up right away when COLD

  9. Rated 5 out of 5

    Calvin Aaron –

    Came charged and ready to go

  10. Rated 5 out of 5

    Calvin Aaron –

    Came charged and ready to go

  11. Rated 5 out of 5

    Chris haynes –

    Great battery for big bear 400

  12. Rated 5 out of 5

    Chris haynes –

    Great battery for big bear 400

  13. Rated 5 out of 5

    Web Customer –

    Works great hopefully last a long time

  14. Rated 5 out of 5

    Customer –

    Works great hopefully last a long time

  15. Rated 5 out of 5

    marcia meyer –

    Great fit and so far it is starting my Yamaha with no problem.

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

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Mighty Max Battery
Based on 4689 reviews
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Leon S
Well packaged, battery looks to be good quality, will install on the weekend and update over time. Got it on Amazon.
Michael Hough
Arrived quickly, week package. Week put them to use quickly in Spain.
bruce turner
Love my monster music box and my 1st battery lasted a long time.
Linnea Murray
Had a Legend battery bought in January of 2024 that went bad wouldn’t start under a load. I have a 2005 Volvo xc90 V8 so the battery cranking is important. Ordered the Mighty Max through Amazon I was overnighted to me , delivered to my doorstep. Recharged all ready to go drop in and start, beautiful! Has a 3 year warranty with options to extend that warranty. How great is that!
William Coe, Jr.
The batteries were packaged well, and arrived looking good. Now we need to hook them up.
Paul Bulens
Came fast and packaged well. Even came with a sticker. Fun stuff
MrGlbeck88
Excellent battery replacement for Razor Electric bikes!
Z Curtis
so far so good! scooter wouldn’t start but i got this battery the next day and it started right away!
Emjhaye Juan
ML22-12 Gel type and ML22-12 Non Gel type Batteries came in good condition, purchased from Amazon 6/23/26 and arrived the next day packaged really good.
Hal Model
Very well packaged and.arrived as promised

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