Product Specifications for Mega Crank MTX20L AGM Maintenance Free Battery
| BM Part #: | MTX-20L |
|---|---|
| Brand: | Mega Crank |
| Battery Polarity: |
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| Voltage: | 12 Volt |
| Cold Cranking Amps: | 310 CCA |
| Capacity: | 18 Ah |
| Type: | AGM |
| Battery Size: | BTX20L |
| Length: | 6.88" |
| Width: | 3.44" |
| Height: | 6.00" |
| Shipping Weight: | 14.50Lbs |
| Warranty: | 1 Year Pro-rated |
- Easy fit and easy installation design.
- Sealed and non-spillable AGM battery; 100% leak and spill proof.
- Maintenance-free advanced AGM technology.
- No need to add and maintain acid levels.
- Maximum performance and efficiency.
- Superior starting power, high reserve capacity, and long lasting life.
- Ships pre-charged and ready to install.
Product Description

You've just discovered a best seller.
The MTX-20L AGM Maintenance Free Battery is one of our best selling batteries for motorcycles, and is ideal for ATVs/UTVs, personal watercraft, and snowmobiles. Its maximized performance and efficiency offers a capacity of 18ah and 310 cold cranking amps, and have made it quite popular among Harley Davidson Riders.
The Mega Crank MTX-20L AGM Battery has become extremely popular because of the value it provides. With its sealed and non-spillable design, this is not a battery that will need to be replaced frequently, or require high-level maintenance. The MTX-20L AGM Battery's advanced AGM technology eliminates the need to add and maintain acid levels. Our customers also love the ease of installing this battery. But don't take our word for it! Check out over 100 customer reviews! Many of our customers tell us this battery has lasted them better than half a decade, which is why we're not afraid to guarantee your satisfaction, 100%. Battery Mart will refund the purchase price of your battery if it fails to meet your expectations in any way.
So what makes this battery so popular? Features:
- Sealed and non-spillable AGM battery; 100% leak and spill proof
- Maintenance-free. No need to add and maintain acid levels
- Superior starting and reserve power for extra accessories
- Ships pre-charged and ready to install
Dealers sell the Mega Crank MTX-20L battery for $109.99 and more. We buy MTX-20L direct from the manufacturer, and pass the savings directly to our customers- no middleman!
Order today and receive free standard shipping on your MTX-20L AGM Maintenance Free Battery.
Tech Tip: Easy Front Mount Installations
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This battery is supplied with unique terminal hardware (2 spacers and 2 bolts for cable to terminal connection). This hardware is required for proper installation on certain applications. Other hardware may damage terminals and should not be used. The spacers are required for front mount cable installation only! The top mount position does not require the round spacers, use supplied bolts only. Torque bolts to 6 to 8 ft. lbs. How A Front Mount Looks when Installed: |
Cross Reference & Compatibility
Customer Reviews
This is my 6 battery’s from Battery mart for all my motorcycles
I purchased Mega Crank MTX20L AGM Maintenance Free Battery as a replacement for my Harley M8 Softail as it was time for a new battery, I have been using Battery Mart for replacement batteries for all my Harley Davidson motorcycles since 1987. I have been getting on average 4 years of service.
Purchased several over the years. One tech problem and Tech Service took care of it.
Great replacement for Harley OEM.
Brought new life to my starter and no more loss of time on the clock. I highly recommend this battery
Fit perfectly, starts bike easily, fair price and fast shipping!! Would buy again when needed..
I purchased this battery after researching the many mftrs types, prices and requirements for my 2011 Fatboy Lo. It was shipped quickly and in perfect condition. It was easy to install and has been working fine so far. I trust it will last a good while!
I have a 2009 model Goldwing and have used your batteries for many years. Thank you for the quality product.


