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⚡ Power your ride with confidence—never miss a start again!
The YTX20L-BS is a premium 12V 18AH sealed lead-acid AGM battery designed for motorcycles and powersports vehicles. Featuring 270 Cold Cranking Amps, it guarantees reliable cold starts and consistent power output. Its maintenance-free, sealed design resists shocks, vibrations, and harsh weather, making it a durable, ready-to-install solution backed by a 1-year warranty.





| ASIN | B00NUAAJZ8 |
| Automotive Fit Type | Universal Fit |
| Battery Capacity | 18 amp_hours |
| Battery Cell Composition | Lead Acid |
| Battery Type | Lead Acid |
| Best Sellers Rank | #160 in Automotive ( See Top 100 in Automotive ) #1 in Powersports Batteries |
| Brand | Mighty Max Battery |
| Brand Name | Mighty Max Battery |
| Compatible with Vehicle Type | Scooter |
| Customer Reviews | 4.1 out of 5 stars 1,136 Reviews |
| Global Trade Identification Number | 00785123679110 |
| Included Components | 1 AGM Battery |
| Item Dimensions D x W x H | 6.88"D x 3.5"W x 6.13"H |
| Item Type Name | Battery |
| Item Weight | 6.3 kg |
| Manufacturer | Mighty Max Battery |
| Manufacturer Part Number | YTX20L-BS |
| Manufacturer Warranty Description | 1 Year Manufacturer |
| Model Number | YTX20L-BS |
| Number Of Cells | 6 |
| Number of Items | 1 |
| Size | YTX20L-BS |
| Terminal | Bolt Terminal |
| UPC | 785123679110 850005902157 |
| Unit Count | 1 Count |
| Vehicle Service Type | Scooter |
| Voltage | 12 volts |
J**N
Great battery for the price
Battery seems good. The grizzly 660 2003 started right up didn’t have to charge the battery. The only downfall is like customers are saying is the battery connection it’s terrible but the best way to give you is they have these little flat nuts with rectangular connectors, so my best advice would give you is use electrical tape shovel electrical tape underneath the first put the bolts to hold the flat nut into the square box on the plus and positive and minus side then installed Electrical tape to keep the nuts in place because the batteries fit lay down inside the belly of the grizzly and then put electrical tape around the hole connector and everything worked out fine
J**N
High quality
Battery is high quality. Works very well.
J**Z
very poor quality
Do not buy this! Purchased this in september 2025 and it worked fine initially. By January 10th it was dead. It now only charges us to 6volts.
A**R
Perfect fit for my JetSki
Perfect for my JetSki. Cost is reasonable to replace every few years.
D**N
Battety
Bought a month ago and appears to be working good
L**A
Great value for your money
A dependable and budget-friendly 12-volt battery that offers good performance for the money. If properly maintained and charged, it's a solid choice for many recreational, mobility, and backup power applications.
L**I
A Good Annual Replacement
It fits properly and works fine. These last about one year, and I expect to replace them in that interval.
J**E
Works great
Definitely the best price with excellent performance/ cranking power. Fits good and easy to install. I have used this brand before and I'm at year 7 with my motorcycle. So great battery life.
P**E
Excellent RV Battery
Lives up to its name! Excellent battery!
A**O
Bateria
Es buena trabaja bien
N**L
Works like a battery should work
Works as it should.. still have it and it’s great!
A**L
Batería
Le quedó bien. Mi Harley
C**I
Buen producto. Llego super rápido. Ha cumplido con mis expectativas.
El precio es lo que esperaba y ha cumplido con las expectativas de lo que ofrece.
Trustpilot
2 months ago
2 weeks ago