Buyer Beware: There are cheap knockoffs being sold as "Antigravity" brand parts all over the internet.  They ARE NOT covered under Antigravity Batteries' warranty nor are they built with the same quality materials.  They look identical to the ones pictured in this listing.  If the price is "too good to be true," so is the part.

Billet Proof Designs is an Authorized Retailer of Antigravity Batteries:

What does this mean for you?  

Your purchase of ANY Antigravity product will be fully covered under their industry-leading warranty.  

This also means that you can shop with confidence knowing that you are getting the lowest possible price on AUTHENTIC Antigravity products.  

ALL Antigravity products ship for FREE via USPS PRIORITY.

- Antigravity Batteries -

20 Cell - Lithium Ion Battery - 780cca!

This listing is for a battery with the positive terminal on the LEFT HAND SIDE.

If you would like a battery with the positive terminal on the right hand side, please leave us a note immediately upon checkout.

IF you do not leave a note, we will ship a battery with the positive terminal on the LEFT HAND SIDE.

The NEW Antigravity Batteries ATX20 is a Lithium-Ion replacement battery for the OEM Lead/Acid battery YTX20, YTX20L, YTX20H, YTX20-BS or the “20 Size.” Antigravity Batteries' Lithium-Ion version weighs less than 5 lbs and offers 780CCA! Difficult starting large Custom V-Twin Motors can be turned over with ease.

The new ATX20 battery can also be used in Hi-Performance Automotive and Racing applications where extremely high cranking power and massive weight reduction in a very compact size is desired. All Antigravity Batteries will accept the use of Antigravity Brand SAE automotive battery terminals.

The ATX20 can easily start a 145 Cubic Inch S&S V-Twin Motor as well as an 800 Horsepower V8 Roush Racing Motor typically found in Trophy Trucks or NASCAR Sprint Cars, yet the ATX20 weighs LESS than 5 pounds! At a massive 780 Cranking Amps in an extremely compact size, this battery offers the most power in the smallest package you can find for your vehicle.

• 4 Pounds 11 Ounces

• 780 Cranking Amps

• 25 Ah (Pb Eq) Amp Hours - 17 Actual Amp Hours

• The lightest and highest power Lithium Motorsport Battery made in this size format.

• Excellent for everyday use in bikes up to 2600cc.

• Offers weight savings up to 32 pounds in race cars and 14 pounds in motorcycles!

• Direct replacement for YTX20, YTX20L, YTX20H, YTX20-BS and the “20 Size.”

• Even works on race cars with large V8’s.

• Can hold a charge up to a year provided there are no "Parasitic Drains" (accessories that draw power when the bike is off... such as alarms, ECUs, iPods, GPS, heated grips, etc).

• Built in the USA with an unbreakable terminal design.

• Industry leading 3-Year Warranty

(check manufacturer's website for details - antigravitybatteries.com)

***All Antigravity Batteries will accept the use of Antigravity Brand SAE automotive battery terminals***

As well as Terminal Covers for ONLY $8.99!!!! (Please note that the battery pictured is for demonstration purposes ONLY)

***USE A LITHIUM ION CHARGER TO AVOID DAMAGING THE BATTERY***

Don’t forget to buy one of our custom battery boxes to show off your new battery!

Dimensions:

Length  = 6-7/8"              

Width   = 3-7/16"              

Height  = 6-1/8"

Weight = 4 Pounds 11 Ounces

(Metric)

Length  = 175mm            

Width   = 87mm              

Height  = 155mm

Weight = 2.12 Kg

Included:

Battery (Charged)

(2) Terminal Bolts 

3 Year Warranty (See manufacturers website for details)

Fitment:

• Excellent for everyday use in bikes up to 2600cc (perfect for large high-performance V-Twin motors). 

• Ultra-Lightweight and Highest Power Lithium Nano-Phosphate Motorsport Battery Made.

• Great for large, high-performance V-Twin motors.

• Can be used in watercrafts.

• THE most compact and powerful lithium battery made for motorsports.

• Can offer weight saving of up 32 pounds in race cars and 14 pounds in motorcycles.

• Excellent for Touring and Adventure bikes as well as any bike where extreme power and larger Amp Hour capacity are needed.

• Excellent for use in Race Cars of all types including large V-8 motors

• Please note if you use older classic bikes from mid 1980s and earlier you should update the charging systems to a modern voltage regulator, damaged voltage regulator can overcharge the battery and damage it.

We have a Lithium Ion battery for just about ANY application.