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The ExpertPower YTX20L-BS is a sealed, maintenance-free 12V 20Ah AGM battery delivering 275 CCA, designed as a direct OEM replacement for motorcycles, ATVs, and powersport vehicles. Its rugged ABS case and vibration-resistant terminals ensure durability in demanding conditions, while its pre-charged, leak-proof design allows for quick, hassle-free installation. Compatible with a broad range of models, it offers reliable starting power and long-lasting performance backed by a 1-year warranty.








| ASIN | B015NS266E |
| Automotive Fit Type | Vehicle Specific Fit |
| Battery Capacity | 20 amp_hours |
| Battery Cell Composition | Lead Acid |
| Battery Type | Lead Acid |
| Best Sellers Rank | #7,857 in Automotive ( See Top 100 in Automotive ) #22 in Powersports Batteries |
| Brand | ExpertPower |
| Brand Name | ExpertPower |
| Compatible with Vehicle Type | ATV, street-cruiser-motorcycles, street-motor-scooters, street-touring-motorcycles |
| Customer Reviews | 4.3 out of 5 stars 487 Reviews |
| Global Trade Identification Number | 00814832021337 |
| Included Components | BLMMYB12_20 |
| Item Dimensions D x W x H | 3.46"D x 6.97"W x 6.1"H |
| Item Highlight | Sealed 12 Volt motorcycle battery fits select RZR & Outlander ATVs, UTVs, large motorcycles and WaveRunners. Replaces ETX20L |
| Item Type Name | lead_acid_battery |
| Item Weight | 13.2 pounds |
| Manufacturer | ExpertPower |
| Manufacturer Part Number | YTX20L-BS |
| Manufacturer Warranty Description | 1 yr |
| Model Number | YTX20L-BS |
| Number of Items | 1 |
| Size | YTX20L-BS |
| UPC | 814832021337 |
| Vehicle Service Type | ATV, street-cruiser-motorcycles, street-motor-scooters, street-touring-motorcycles |
| Voltage | 12 volts |
A**R
Good value and exact fir for 2007 Polaris Sportsman 500
Perfect fit for 2007 Polaris Sportsman 500 Deluxe EFI (Mossy Oak edition). So glad to see the days of having no choice but pay $140 for a at best two year battery come down to much better prices. While the battery did not come with a core fill date, I am hoping for at least 1 years usage. Battery did come sealed in plastic and brand new. Only downside are the terminals have this huge space where you will have to experiment a couple times to keep the screw blocks from falling out then line them up to get the screw to connect and such. That's the only compliant is why they made the connection point very hard to use. For CCA (cold cranking amps), the jury is till out - could be its just the ate has sat too long or could be the battery needs some use to get a full charge. Will update in another few months on CCA, charging and how long it's lasting.
P**Y
Price and fit
Quick shipping. Good price. Sealed and fully charged.
J**N
Perfect for my motorcycle
This has all the included Hardware connected to my battery terminals perfectly the charging capacity was amazing.. it started great
A**5
Not meeting expectations
Battery Failed After Only Two Months — Warranty Process Requires Extensive Documentation I purchased this battery expecting a reasonable service life, but unfortunately it lasted only approximately two months before failing. I have over 20 years of experience as a Senior Master Ford Technician, so I am familiar with proper battery charging, testing, and diagnosis. The battery was charged using an AGM-compatible 12V/24V battery charger and then tested with a MAC Tools BT8300 battery tester. Based on the testing, the battery is not performing as it should. What has also been disappointing is the amount of documentation being requested in order to pursue a warranty replacement or refund. I have been asked to provide the equipment the battery was installed in, the model number of the battery it replaced, charger specifications, photographs of the charger label, battery voltage/testing results, and proof of purchase. I understand that a seller needs reasonable information to verify a warranty claim, but for a battery that has only been in service for two months, the process feels unnecessarily burdensome—especially when professional battery test results and proof of purchase can be provided. I am currently cooperating with the seller and providing the requested documentation, so I will update this review based on how they ultimately handle the warranty claim. At this point, my concern is not only that the battery failed after two months, but also how much effort is required from the customer to obtain resolution for what appears to be a prematurely failed product.
S**N
Worth it so far 2003 Harley Davidson Fatboy Champagne Edition
I received and installed it yesterday. It was packaged really well and arrived on time. It came in a Power Sport box WITH install hardware (2 bolts, 2 nuts). I was able to reuse the OEM Harley battery terminal bolts in the nuts they provided. Installed and hooked it up to my tender. It was at 13.1 volts and 95% charged. Fatboy fired up the best it ever has since I purchased it 4 months ago. I guess the 2 year old genuine Harley battery that was in there was already at the end. The bike never died to great since I bought it even when I put it on the tender. And once I had to use my Dyna because it wouldn't start, just the annoying dead battery crank noise. I actually spoke to customer service before purchasing the battery using the number found here when you click on their link. I spoke with a woman who was very nice, answered all my questions about the warranty etc and said not to use a fast charger on it, use no more than 3A to charge which is a maintenance amperage. I said no problem. Also, the battery does have a manufacture date on it. Basically everything you want in a motorcycle battery at quarter of the price of the OEM battery and a 12 month warranty. I'll take that deal everyday and twice on Sunday. I'll update if anything changes.
C**L
Battery
Perfect product. Will buy again
J**S
Reliable and Maintenance-Free Battery
I recently purchased the ExpertPower YTX20L-BS 12V 20Ah lead-acid battery for my motorcycle, and it has exceeded my expectations. Here are my thoughts: Performance: The battery delivers excellent performance with its 330 cold cranking amps (CCA). It starts my motorcycle effortlessly, even on colder mornings. Maintenance-Free: One of the standout features is the AGM technology, which makes this battery maintenance-free and spill-proof. I appreciate not having to worry about regular maintenance. Longevity: So far, the battery has shown great longevity. It holds a charge well, even when my motorcycle sits idle for a few weeks. Ease of Use: The battery came fully charged and ready to use right out of the box. Installation was straightforward, and it fit perfectly in my motorcycle. Weight: The only downside is that it’s a bit heavy at 13.2 pounds, but that’s a minor inconvenience considering its performance and reliability. Overall, I highly recommend the ExpertPower YTX20L-BS for anyone needing a dependable and hassle-free battery for their vehicle.
A**R
Works
Works
A**W
Cranks
Used these on my 06 skidoos, 0 issues and seems to work well. Excellent quality battery, super easy to install and get back on the trail.
J**S
Bonne qualité
Je suis très satisfait ,bonne puissance même par temps froid .
R**Y
RENEGADE XRS 2021
SUPER
F**E
Battery came charged and fit the listed application.
Received on time and started the quad. Time will tell the longevity of the batter.
R**T
Price
Great price
Trustpilot
1 month ago
2 months ago