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Antigravity U1/Group U1R Lithium Auto Battery w/Re-Start - AG-U1-20-RS
Group-U1 Battery

NEW! Lightweight Lithium Batteries with Wireless Built-In Jump Starting!

The first Intelligent Lithium-Ion Automotive Battery that won't leave you stranded!

This newest RE-START Battery is made in the U1 and U1R Sizes. The U1 Battery size is very compact, and is used in many applications such as Smaller Automobiles such as the Mazda Miata, in some brands of UTVs, Farm Equipment, Riding Lawn Mowers, Small Tractors, and more. This Lithium U1 Battery also features our famous "RE-START" built-in WIRELESS Jump-Starting! That means if your battery is ever discharged to the point of going dead, for example by leaving your lights on or playing the stereo too much, you simply press the Button on the provided Keyfob (2 keyfobs included), start the Vehicle and drive away! No need for a Jump-Starter, or any assistance. You don't even have to access or touch the battery; do it from the seat of your vehicle. The AG-U1 RE-START Battery has 20 Amp Hours and is available in Right or Left Side Positive Terminals. It comes with a carry handle, and also Includes our Automotive SAE Terminal Adapters. If you want to also track your battery status via Bluetooth and an App on your phone, you can use our Lithium Battery Tracker.

Features:
  • Group U1 and U1R OEM Automotive and UTV Case size (directly replace stock battery).
  • LxWxH: 7.75x5.2x7.3 inches.
  • Amp Hours: 20 Ah.
  • High Power: 925 Cranking Amps.
  • Exclusive RE-START Technology: Wireless Jump-Starting built-in; just press the button on your Keyfob remote.
  • Advanced Battery Management System built-in.
  • Ultra Lightweight: Drop up to 30 lbs instantly! 70% lighter than lead.
  • Safest Battery Technology using full BMS and Lifepo4 Lithium chemistry.
  • Many Applications: Auto, Lawn/Tractor, Generator Battery and more.

Shipping Notice:

  • Please note that all replacement batteries must be shipped using standard ground shipping. Expedited shipping options are not available for these items.

Other Part Numbers:
Antigravity Batteries #antAG-U1-20-RS

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Antigravity Batteries Banner

Who is Antigravity Battery?

Antigravity Battery is a company based in Los Angeles, California, and was founded in 2009. It specializes in producing the best Lithium Ion products used in the automotive industry. Their products are often used by the motorsport and power sports industry due to their superior quality and high-performance output. Today, they are considered as one of the best brands when it comes to Lithium-Ion products. 

Perfect For Motorsport Enthusiasts

Motorsport racing has a very competitive environment. Each component is carefully scrutinized to get the most performance. Antigravity Battery has provided racing car drivers a lightweight battery and can handle the extreme requirement demanded by the sport. Their batteries are 80% lighter than regular ones, which is a huge saving, especially in a place where every gram counts. It also provides twice the cranking power, which is suited for high horsepower engines with very high compression.

Batteries For Your Every Need

The company offers a variety of batteries from 6-volts, 12-volts, and race-oriented 16-volt ones. It comes in different sizes, and they also have batteries that are OEM spec that fits directly on the vehicle like the factory installed unit. Another cool feature about Antigravity Battery is that they have what you call the Re-Start Technology. The battery has a built-in jump starting button just in case you left your lights overnight.

Purchase Antigravity Battery At Vivid Racing

If you are in the market for a high-performance battery for your vehicle, then Antigravity Battery is the brand for you. To know more about the company, visit Vivid Racing and check out their list of products that fit your specific requirement.





In the Motorsports and Powersports industries there are no Lithium-Ion battery products as well built or synonymous with quality than Antigravity Batteries. This high level of quality applies to all products we design and develop. We are devoted to performance, durability, functionality as well as to design and innovation.

* If you are interested in a Lithium-Ion Starter Battery please download and carefully read our Lithium-Ion Warranty along with our Explainer document. This gives you detailed information in regards to the differences between Lead/Acid and Lithium and what you should understand about how to maintain and install this new technology in your vehicles.

Starter Batteries

Antigravity Starter Batteries are a Premium Lithium-Ion Motorsports Battery with a pro-rated warranty (3-year for Powersports batteries, or 1-year for Race use, and 5-year for Automotive batteries). Please download the Warranty and our Warranty Explainer and read the details carefully as Lithium-Ion has different maintenance procedures than Lead/Acid.Micro-Starts

ANTIGRAVITY BATTERIES will warrant the MICRO-START line of products, that is purchased from an Authorized Dealer only, to be free from manufacture defects for the period of ONE YEAR. Warranty is void if product is not used as directed.Warranty Registration
  • Register your New Antigravity Battery or Micro-Start online within 30 days of purchase date to be eligible for warranty claim
  • Warranties are Non-Transferable. Returns will only be accepted from the original Purchaser.
Other Antigravity Batteries products such as our Electronics and Accessories have a 1-year warranty and don’t need to be registered to submit a claim; however you will need to provide a copy of original receipt.

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