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Shorai LFX Lithium Battery LFX18A1-BS12... [Previously Installed]
  • Shorai LFX Lithium Battery LFX18A1-BS12... [Previously Installed]

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Shorai LFX Lithium Battery LFX18A1-BS12... [Previously Installed] Videos

Note: This item has been previously opened and/or installed. Signs of installation may be present including opened packaging and minor scratches, however item is functional and contents are complete.

Shorai LFX Lithium Battery

The Shorai LFX Lithium motorcycle batteries are some of the lightest and most powerful replacement batteries available!

See Shorai Specifications and Dimensions data sheet (pdf) for fitment guide and specifications.

Most powersports enthusiasts have gotten used to hooking up a tender to their lead-acid batteries, all the time. Shorai LFX have much slower self-discharge than the best lead acid do (1/6 to 1/7, on average), they do not sulfate as capacity drops, and they are the ultimate "deep cycle" battery, which means that they can still crank your vehicle even if the remaining capacity is quite low. Therefore most riders will not need to use a tender at all. 

A fully charged LFX can sit for a year or more and still retain adequate starting capacity, without damaging the battery. As such, any vehicle which has no current flowing when the key is OFF should never need a tender. At most it should be charged every 6 to 12 months, depending on the average storage temperature (cool storage is much better for any battery).

Newer vehicles may have a significant draw even when the key is OFF, to maintain clocks and computers, etc. In this case Shorai expects that a few hours of riding per month will be all that is needed to avoid tending. If you know that you will go a number of weeks or months without riding, you can either attach a tender, or disconnect the negative cable from the battery. In any case, during storage you may use the voltage chart above and an accurate voltmeter, and consider recharging when the battery is around the 50% capacity remaining mark, or above.


  • Ultra light - one fifth the weight of lead-acid batteries on average
  • Zero sulfation for longer service life
  • Holds unloaded charge for one year without maintenance
  • Military spec Carbon Composite Case
  • Faster cranking for better starts
  • Super-fast recharge rate
  • No explosive gasses during charge, no lead, no acid
  • Environmentally friendly
  • Two-Year Warranty!

Shorai recommends NOT using a charger/tender if it has an automatic "desulfation mode," which cannot be turned off. Shorai has confirmed with Deltran, makers of the "Battery Tender" brand, that their products do NOT have a desulfation mode, and are therefore OK for use with Shorai LFX. However the best possible charger/tender for Shorai LFX is the Shorai SHO-BMS01 Battery Management System.

  • Case Size 1: 148mm length
  • Case Size 2: 113mm length
  • Case Size 3: 166mm length
  • Case Size 4: 148mm length
  • Case Size 5: 134mm length
  • Case Size 6: 148mm length 

See Shorai Specifications and Dimensions data sheet (pdf) for fitment guide and specifications.

Please Note: It is extremely important that you use only the appropriate battery for your bike! A battery with incorrect amperage may damage the battery or worse yet, your ride. 

Shorai Batteries may not be a drop in replacement, some modification to battery box, terminals etc may be necessary.

If you have any questions about which battery may work for you, please call us at 877-792-9455.

Fitment Notes & Exceptions

This is a universal fit part; it may or may not fit without modification.

Product Style RevZilla Item # Manufacturer Product # Availability
LFX18A1-BS12 967016 Out of Stock


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Shorai Lithium Battery LFX18A1-BS12 4.6 5 157 157
Revzilla falls short Revzilla order site says this battery will fit but battery site says bike needs a battery with more power. Battery is working fine with no extra accessories. August 4, 2016
Shorai is BAE Does everything better than stock battery. You don't realize how heavy the stock battery is until you physically pull it out and replace it. Just from starting it up, I could immediately feel the difference. I highly recommend changing your stock battery to a Shorai as soon as possible. July 6, 2016
great battery Bought this for a GS 650 and it is working great. The battery comes with inserts to fill battery box in bike if it is not a perfect fit depending on your bike application but I can report it does fit the GS. Battery is much lighter than acid type. Very happy with purchase and will be looking for one for my ZX10R when I need to replace battery in it. July 4, 2016
Good battery light and reliable I picked this battery because it goes in a track bike that only gets started and ran a few times a month. The battery is light and shaved a pound or so off of the one that came out of it also the battery lives on a battery tender and has not given any issues on starting or draining the charge. June 21, 2016
Shorai LFX - a Phenominal Battery Bought this battery for our 1982 Virago (electrical power hog) café racer build. It has exceeded our expectations and never seems to lose top-end power. Smaller, lighter, and extremely well made battery. Would highly recommend for your bike build or other power sports application. June 15, 2016
Not enough of a benefit to switch These batteries have been nothing but problems since day 1. The first battery I had was in for a total of 2 months and would not keep charge and eventually had to be sent in for warranty. I even purchased their specific charger and cabling to try to remedy the situation since they warn against using traditional chargers. After they sent me the new battery for the warranty I had that battery installed in the bike for only 4 hours of use before it literally exploded blowing fuses all over the bike and ruining the electrical system. Lithium batteries have their limitations and in my opinion after personal experience are not worth the added headache. I was in the middle of a bike trip and the bike was rendered completely useless so it stopped the trip real quick. After reading more about the complications that lithium batteries can have beyond the problems that I experienced I count myself lucky that my problems were not more severe. Although the support team was prompt and seemed to want to help I just can't justify the few lbs of weight savings and supposedly the extra power for a high price tag and a picky battery that is unreliable and dangerous. Turnaround time for the whole thing after receiving now the third battery will only be a little under a year. So in my book the price is not worth the price you could possibly pay. June 10, 2016
Easy to install and good performance so far Easy to install and good performance so far. Concerned about damaging battery if using conventional trickle charge so added Shorai battery management system June 7, 2016
Save weight and improve cold starts! The battery installed in less than 15 minutes and shaved about 9lbs off my 821 Hypermotard. It also comes ready to rock and roll with no charging required! The bike cranks several magnitudes stronger on cold mornings and after long periods of inactivity. Can't recommend this product enough. June 1, 2016
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