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SSTZ14S-FP Scorpion Stinger 12v 387 CCA LiFePo4 Extreme High Output Battery

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Lithium Batteries are discharged to 30% of capacity for shipping requirements. When you receive the battery it will need to be charged prior to use. This is the battery charger we recommend for this battery: OptiMATE Lithium TM-471.

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Product InformationStore Part Number: SSTZ14S-FP


Scorpion Stinger Logo

The new Scorpion Stinger Lithium Iron Phosphate battery offers an increased performance over traditional lead-acid chemistry batteries, while also shaving an incredible amount of weight off the battery.  These Scorpion Stingers will crank your bike, atv or scooter easily, while also weighing up to 60% less than the OEM lead acid. 

Scorpion Batteries are made by one of the largest battery manufacturers in the world and uses their prominence and experience to create the best products possible at the least possible cost.

Scorpion Battery was founded on the principle that superior quality batteries can be brought to the market at an economically pleasing price. Keeping true to that principle, Scorpion is proud to now offer the finest LiFePo4 Lithium powersports batteries available anywhere.

Scorpion Stinger lithium powersports batteries bring innovation to a new level. All Scorpion Stinger batteries use only the finest prismatic lithium cells, meaning that you get stronger starts, and more cycles than our competitors. Each battery contains its own Battery Management System built right into the battery ensuring that the internal cells stay balanced.

Features an onboard charge level display with the push of a button! The Scorpion Stinger Lithium Powersports batteries are simply the best lithium battery out there, and to top it off, they are offered at the best MSRP of most major Lithium LiFepo4 or Lithium Ion battery. For use in motorcycle, ATV, scooter, or UTV (side by side) starting applications.

BatteryStuff understands the importance of getting a replacement battery right away. We usually ships all batteries the same day as ordered if received before 1:30pm (Pacific).


  • The highest standard in Lithium powersports batteries.
  • Heavyweight punching power in a featherweight package.
  • Scorpion Stinger LiFePo4 batteries are lightweight and designed to outperform their equivalent OEM Lead Based Battery.
  • Superior Cranking Performance
  • Quickly Re-Charges after start in as little as 6 minutes
  • Integrated BMS works with existing charging systems on bikes 1990 and newer.**
  • Recommended to be maintained with a Powersport Lithium Charger. We suggest the OptiMATE TM-471.
  • Warranty: 2 year free replacement when used in prescribed applications*.


As the graph below suggests, Scorpion Stinger batteries hold a higher resting voltage than other batteries. They start higher and finish higher, meaning that during times of heavy load they have the ability to crank the starter faster and longer than the competition. For starting batteries, most of the work happens in the first 5-10 seconds. More voltage throughout that range ensures quicker starts and less strain on the starting system. Scorpion Stinger Performance Comparison

All the test batteries were fully charged and maintained for 48 hours on shop grade smart charger. Starting voltages achieved by fully charging batteries, then removing battery from any outside input for 24 hours. Each battery was tested under equal conditions at 72° F, using a true 100 AH load to simulate starting.

Scorpion does not rate their batteries with an AH rating*. Instead, they graph out the real performance of the batteries, side by side the best lead-acid and lithium batteries on the market. This gives you the confidence to know exactly how much starting power your Scorpion Stinger has, without giving a seemingly inflated number, or a confusingly low number that is not practical. *See more detailed explanation here.

LiFePo4 Batteries are sensitive to heat. If the battery will be sitting directly on top of the engine and/or surrounded by the oil pan, we do NOT recommend using any Lithium Battery.

**Over-Charge protection will not protect from a faulty/old Voltage Regulator spiking Hi-Voltages to Battery. If you have a Pre-1990s Motorcycle replace your voltage regulator; it is over 30 year old and most likely broken by now.

*Warranty applies ONLY to vehicles listed below. As per manufacturer, ALL other use will void battery warranty.

Works In

Vehicles that SSTZ14S-FP works in

ATK All Electric Start Models(1991-1995)
Aprilia 1000cc RSV 1000 R, Factory(2010-2011)
Aprilia 1000cc RSV4 R, Factory(2009-2015)
Aprilia 1000cc RSV4 RR, RF2015
Aprilia 450cc RXV450(2006-2011)
Aprilia 450cc SVX450(2006-2011)
Aprilia 550cc RXV550(2006-2011)
Aprilia 550cc SVX550(2006-2011)
BMW 1000cc HP4 (w/alarm system)(2013-2014)
BMW 1000cc S1000R(2014-2018)
BMW 1000cc S1000RR(2009-2013)
BMW 1000cc S1000RR DWA(2009-2017)
BMW 1000cc S1000XR(2016-2020)
BMW 1000cc S1000XR DWA(2016-2020)
BMW 1170cc HP2 Enduro(2005-2008)
BMW 1200cc R1200GS Adventure(2009-2012)
BMW 310cc G310R(2016-2017)
BMW 310cc G310R, GS(2018-2020)
BMW 600cc C600(2011-2013)
BMW 650cc C650 Evolution(2016-2018)
BMW 650cc G650 X, Challenge, Country, Moto(2006-2009)
CCM 600cc All Electric Start Models(1996-2001)
Honda 1000cc CB1000R(2009-2018)
Honda 1000cc CBF1000F(2009-2010)
Honda 1000cc CBR1000RA (ABS)(2008-2019)
Honda 1000cc CBR1000RR(2004-2007)
Honda 1000cc CRF1000L African Twin(2016-2017)
Honda 1000cc RVT1000R RC51(2000-2006)
Honda 1000cc VTR1000F Super Hawk(2001-2005)
Honda 1100cc CB1100(2010-2014)
Honda 1100cc CB1100EX(2017-2020)
Honda 1100cc CBR1100XX(2001-2004)
Honda 1100cc VT1100C Shadow Spirit(1985-1997)
Honda 1100cc VT1100C, C3, T Shadow (Spirit, Aero, ACE Tourer)(1998-2000)
Honda 1100cc VT1100C2 Shadow ACE(1995-1999)
Honda 1200cc VFR1200F(2010-2014)
Honda 1200cc VFR1200X(2016-2017)
Honda 1200cc VFR1200XD(2012-2013)
Honda 1300cc CB1300, Super Four(1998-2020)
Honda 1300cc CTX13002014
Honda 1300cc ST1300, A, P(2003-2014)
Honda 1300cc VT1300CS, CR, CT, CXA FURY(2014-2018)
Honda 1300cc VT1300CS, CR, CXA FURY(2009-2013)
Honda 200cc TR200 Fat Cat1987
Honda 250cc NSS250 Reflex(2001-2009)
Honda 250cc PS250 Big Ruckus(2005-2006)
Honda 300cc NSS300 Forza(2014-2016)
Honda 500cc CB500X, F(2013-2018)
Honda 500cc CBR500R(2013-2020)
Honda 600cc CBR600F4i, 600RR(2001-2017)
Honda 600cc CBR600RR, RA(2005-2019)
Honda 600cc FSC600 Silver Wing(2002-2015)
Honda 600cc VT600C, CD Shadow Deluxe(2004-2007)
Honda 650cc CB650F, FA2018
Honda 650cc CBR650F(2014-2018)
Honda 680cc DN-01(2009-2013)
Honda 700cc CTX700(2014-2018)
Honda 700cc NC700J (NM4)(2015-2016)
Honda 700cc NC700X(2012-2017)
Honda 700cc NT700V(2010-2013)
Honda 700cc VT700C Shadow(1984-1985)
Honda 750CC NC750X, XD(2018-2020)
Honda 750cc T750C, C2, C2B, RS Shadow(2010-2016)
Honda 750cc T750C, C2, C2B, RS Shadow/Phantom/Aero(2017-2018)
Honda 750cc VT750C Shadow(1983-1985)
Honda 750cc VT750C, CA, C2 Shadow Spirit, Aero(2004-2009)
Honda 750cc VT750DC, A, B Shadow Spirit(2001-2007)
Honda 800cc VFR800 Interceptor(2014-2016)
Honda 800cc VFR800, A Interceptor, ABS(2002-2012)
Honda 919cc CB900F (919 Hornet)(2002-2007)
Honda 929cc CBR929RR, RE(2000-2001)
Honda 954cc CBR954RR(2002-2003)
KTM 1090cc Adventure(2017-2019)
KTM 1090cc RC8(2003-2017)
KTM 1190cc Adventure(2013-2017)
KTM 1190cc RC8(2009-2017)
KTM 1290cc Super Adventure(2014-2019)
KTM 1290cc Super Duke GT(2017-2019)
KTM 390cc Duke(2015-2018)
KTM 390cc RC2018
KTM 625cc SMC, SXC(2003-2009)
KTM 640cc Duke II, LC4, Adventure(2003-2008)
KTM 690cc Duke(2008-2017)
KTM 690cc Enduro R(2008-2018)
KTM 690cc Supermoto, SM R(2007-2013)
KTM 950cc Superenduro(2007-2011)
KTM 990cc Adventure(2003-2013)
KTM 990cc Super Duke(2003-2013)
KTM 990cc SuperMoto, SM R2009
KTM 990cc Supermoto, SM R(2010-2013)
Kawasaki 1000cc Ninja H2, H2R(2015-2018)
Kawasaki 1000cc Ninja H2, H2R, Carbon, SX SE(2019-2020)
Kawasaki 1000cc Ninja ZX-10RR(2017-2020)
Kawasaki 1000cc ZX10R, ABS(2011-2020)
Kawasaki 230cc KLX230, ABS2020
Kawasaki 250cc EX250 Ninja, R2008
Kawasaki 400cc Z400 ABS2019
Kawasaki 650cc Ninja 650, ABS(2017-2020)
Kawasaki 650cc Vulcan S ABS, Cafe, SE(2015-2020)
Kawasaki 650cc Z650 ABS(2017-2020)
MV Agusta 1000cc Brutale 1078RR(2012-2013)
MV Agusta 1000cc Brutale 1078RR, 1090(2014-2016)
MV Agusta 1000cc F4(2012-2016)
MV Agusta 1000cc F4, Brutale(2005-2008)
MV Agusta 1000cc F4, Brutale 1078RR(2009-2011)
MV Agusta 675cc F3, Brutale2016
MV Agusta 750cc F4, Brutale(2005-2008)
MV Agusta 800cc Brutale2016
MV Agusta 910cc Brutale(2006-2009)
Suzuki 1000cc DL1000AL8, AL9, X(2018-2019)
Suzuki 1000cc GSX-R1000R, Z, AL8(2017-2018)
Suzuki 1000cc GSX-S1000, A, F, FA2018
Suzuki 450cc LT-R450 Quad Racer(2006-2012)
Triumph 675cc Daytona 675, R(2011-2017)
Yamaha 1000cc FZ-102017
Yamaha 1000cc FZS1000 FZ1(2006-2015)
Yamaha 1000cc YZF-R1(2004-2011)
Yamaha 1000cc YZF-R1, M(2012-2014)
Yamaha 1200cc XT1200Z Super Tenere(2010-2018)
Yamaha 1300cc XJR1300 (EU)(2007-2013)
Yamaha 1700cc VMAX(2011-2020)
Yamaha 1700cc VMax(2009-2010)
Yamaha 250cc Maxam(2010-2013)
Yamaha 250cc Morphous 250cc(2006-2007)
Yamaha 350cc YFM350R Raptor(2004-2013)
Yamaha 350cc YFM35R Raptor(2007-2013)
Yamaha 500cc SP500 T-Max(2009-2013)
Yamaha 530cc T-Max(2013-2016)
Yamaha 600cc YZF-R6(2010-2012)
Yamaha 600cc YZF-R6 (excluding R6S)(2006-2009)
Yamaha 600cc YZF-R6 (Excl.R6S)(2013-2016)
Yamaha 600cc YZF-R6(Excl. R6S)2014
Yamaha 700cc FZ-07(2015-2017)
Yamaha 700cc MT-07(2018-2020)
Yamaha 700cc XSR700(2017-2020)
Yamaha 800cc FZ8(2011-2013)
Yamaha 850cc FJ-09(2015-2017)
Yamaha 850cc FZ-09(2014-2017)
Yamaha 850cc XSR900(2016-2017)
Yamaha 900cc MT092018
Yamaha 900cc XSR900(2016-2020)
Yamaha 950cc Bolt, Bolt R-SPEC(2014-2020)
Yamaha 950cc SCR9502017
Yamaha 950cc XVS95CC Copycat(2012-2016)
Yamaha 950cc XVS95CT, Y V Star 950(2012-2016)
Yamaha 950cc XVS95CT, Y V Star 950, Tourer2017
Yamaha 950cc XVS95CT, Y, Vstar 950(2009-2011)

Tech Specs

  • Dimensions (LxWxH): 5 7⁄8 x 3 7⁄16 x 3 11⁄16 in
  • Part Number: SSTZ14S-FP
  • Weight: 2.0 lb
  • Maximum Charging Voltage: 15.0 V
  • Manufacturer: Scorpion
  • Battery Polarity: +-
  • C.C.A.: 387 - As tested Midtronics model #417755
  • Amp/Hr: *See Notes
  • Chemistry: Lithium-Iron-Phosphate
  • Warranty: 2 year free replacement when used in prescribed applications*.
  • Manufacturer Part #: SSTZ14S-FP
  • Made In: China

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Reviews and Ratings

4.64 Average
5 Stars 20
4 Stars 3
3 Stars 1
2 Stars 0
1 Stars 1
Rated 4.64/5 Stars from 25 customer reviews.

Do you own the SSTZ14S-FP? Please, tell us what you think about it. It helps us provide you with better products. Please note that it may take up to 72 hours for your review to appear.

Great battery
Pros: The vendor shipped quickly, product was as described and even had spacers so it fit the application correctly.
Cons: the backer nots for the terminals fall out too easy. it could use a remioval strap.
I am more than just a motorcycle owner. I am very familiar with the design of electric vehicles and their battery needs. I did, however, buy this battery for my motorcycle. the difference is amazing. the battery is a featherweight and it has more than twice the CCA of the stock lead acid battery. I like it so much I am thinking about a small electric vehicle based on the technology.
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Written by on Nov 15, 2013. Ownership: Just Bought. Knowledge Level: Genius is my way of life — (91 of 178 customers found this review helpful
Pros: This is a very light battery, yet it has plenty of power. The installation was straight forward with no modifications needed to the connectors or cables. The plastic risers give the battery the correct height so it fits securely in the compartment.
Cons: None yet. We need to see how it lasts over the winter.
I have a similar dry cell battery in my other bike and I am very happy with the way it hold a charge while not in use.
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Written by on Apr 06, 2014. Ownership: Just Bought. Knowledge Level: AC/DC is more than a band — (87 of 168 customers found this review helpful
Liking it so far
Pros: Love the light weight of it and the check lights
Cons: Would like to see better spacer system
Hope to see them come down in price a little and be more available locally
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Written by on Apr 11, 2014. Ownership: Just Bought. Knowledge Level: I know what an outlet is — (93 of 173 customers found this review helpful
Nice and light
Pros: Fits perfect on my 2009 BMW R1200 GS Adventure, NO modifications necessary.
Cons: Nothing
Super light weight
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Written by on Oct 16, 2013. Ownership: Just Bought. Knowledge Level: Electricity doesn't scare me.. usually — (88 of 168 customers found this review helpful
Scorpion Stinger Battery
Pros: Shipping was super fast, I was feeling kinda scetchy about the weight because it is practically weightless compared to the OEM lead battery that came stock with the bike, I was a little worried about the size but it was perfect if not a little smaller than the stock battery and I could tell right away it made a big difference in my performance, I used the Scorpion Stinger battery in my 2010 Yamaha R1, and I recommend it to anyone wanting a weight reduction and power increase.
Cons: Local Motorcycle Shops in the area never heard of a motorcycle battery with 350+ C.C.A. (Cold Cranking Amps).
I'm recommending it to all fellow riders because this battery is awesome.
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Written by on Aug 09, 2013. Ownership: Just Bought. Knowledge Level: Electricity doesn't scare me.. usually — (90 of 169 customers found this review helpful
lifepro4 battery
Pros: just got this battery put it in my 99 1100 shadow ace cranked like it was already warmed up(hadn't been started in 2 wks) I recommend this to everyone
Cons: haven't found any yet
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Written by on Dec 20, 2013. Ownership: Just Bought. Knowledge Level: Electricity doesn't scare me.. usually — (88 of 166 customers found this review helpful
SSTZ14S-FP Scorpion Stinger LiFePo4 Extreme High Output Battery
Pros: Arrived quicklyand fully charged. Very lightweight. Perfect fit for my Honda ST1300.
Cons: Not aware of any cons at this time makes buying a quick and easy process. Lots of information and your battery arrives in a couple of days ready to go. I would definitely recommend this merchant. I Have bought a couple of different motorcycle batteries FROM THEM over the last few years.
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Written by on Nov 02, 2013. Ownership: Just Bought. Knowledge Level: Electricity doesn't scare me.. usually — (88 of 166 customers found this review helpful
sstz14s-fp scorpion stingerlifepo4 battery
Pros: Perfect fit in compartment, very light weight, much more reserve than the OEM battery
Cons: None
Nice that it can be charged with a regular charger
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Written by on Sep 22, 2013. Ownership: Just Bought. Knowledge Level: AC/DC is more than a band — (89 of 166 customers found this review helpful
Great battery good deal
Pros: Great small size and very light saved me about 8 lbs from stock battery. Can be mounted in any position. Fits my Honda Shadow perfect in stock location with the use of the provided spacers. Love the built in batter test light also. I have had it about a month or so and have no complaints at all.
Cons: None
I like the fact that this type of battery doesn't need the use of a trickle charger in the off season.
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Written by on Feb 17, 2014. Ownership: Use regularly. Knowledge Level: AC/DC is more than a band — (86 of 163 customers found this review helpful
Lot of power for such light weight
Pros: Well when I received box I thought no battery inside it was that light. To my surprise there was, and charged. I put into my 2005 Honda VTX1300R with minor changes to battery box. This girl never cranked like that from day 1 and I bought brand new. I am very impressed. A month and no issues with charging or sitting.
Cons: Had to add padding to space up battery in battery box. Ruffly 2 " but nothing that anyone could not do.
Very impressed with this battery, time will tell on life and performance. I would advise at this time of spend the extra $$ for this type battery
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Written by on Jun 20, 2014. Ownership: Just Bought. Knowledge Level: Genius is my way of life — (83 of 160 customers found this review helpful
Works great on my 2007 VFR
Pros: I saved a net of 7 lbs between my old battery and this one. Has a button to check the voltage level.
Cons: Can't really get to the button after it is installed, so not much of a point in that, unless you are trouble shooting.
Only concern is long term charging and what the actual bike puts out while running. I assume it will be fine. Not sure what to do with my old battery tender, now that I can't use it on this due to the charging voltage difference.
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Written by on Apr 18, 2016. Ownership: Just Bought. Knowledge Level: AC/DC is more than a band — (2 of 6 customers found this review helpful
Light and powerful
Pros: It is light, durable, powerful. I have this battery on a CBR1100XX which I don't ride that often. At one point it was sitting there for 6 months and it started right up. My neighbor's battery had died on his Subaru. Just for the sake of experimentation I offer him a jump from my motorcycle: again it started right up. I am looking for a new battery for my car now since a I have a two seat I am removing weight. I highly recommend Scorpion batteries.
Cons: The box it came in... I thought it was empty cause it was so light. I bought it $10.00 less than the present price.
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Written by on May 29, 2016. Ownership: Use regularly. Knowledge Level: AC/DC is more than a band — (4 of 6 customers found this review helpful
Extreme High Output Battery
Pros: Light weight and fit are great. I've had this in my 2002 Honda Silverwing for a little over a month and if it lives up to its warranty, it is the best cycle battery I've ever owned.
Cons: Cost is high but should last more than twice as long as previous batteries.
I am a retired nuclear plant operator and I enjoy newer electric technology. I hope this is a good product. Great so far!
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Written by on May 08, 2015. Ownership: Just Bought. Knowledge Level: AC/DC is more than a band — (4 of 6 customers found this review helpful
Super light - worked well, but....
Pros: Excellent weight and CCA are ad described. Performed well in sub 0 Celsius and in heat.
Cons: After 2 years, the on board battery tester stopped working. Not a huge issue, but was handy. Still holds a charge but not as deep as it used to. This is my second battery to replace the one I bought previously. Brand new works great but did not last a full 2 years, but I didn't realize while in warranty.
I recommend this to others as its super light weight and small with tons of power. Charges quickly and well when it works. For some reason it just isn't holding a charge as long as when it was new and I've been stuck boosting my bike.
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Written by on Apr 18, 2016. Ownership: Use regularly. Knowledge Level: AC/DC is more than a band — (3 of 5 customers found this review helpful
Great Battery
Pros: Battery Stuff have excellent customer service. I got my first battery less than three day. It had a defect; it over heated and start bubbling. Call batterystuff and they had me another one two my house in three days. Beside the first one this battery is outstanding. Never had a better turn over in a battery. I have 113 ultima engine and 1.74 starter and this battery gets the job done and this is a great price for a lithium battery.
Cons: The first one had a defect
Will definitely buy another battery for this site and the same battery. Highly recommend!!
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Written by on Apr 02, 2015. Ownership: Use regularly. Knowledge Level: AC/DC is more than a band — (3 of 5 customers found this review helpful
Best Battery available for you Motorcycle or ATV
Pros: Light weight, Cranking amps, Status Indicator, no special charger needed, Price
Cons: None
I've been using Scorpion Lithium batteries for several years now and I love them! I use them in all of my street and dirt bikes (Ducati 1199, BMW S1000RR, Aprilia RSV4, MV Augusta F3 800, KTM 350 sxf). I've never had a problem with any of them and regularly recommend them to friends and family. If you're keeping score, that's singles, twins, triples, V4's and IL 4's i've used this patter in. I particularly like the fact that I don't need a special charger or tender for these batteries unlike their competition. Just connected it to any charger or tender and 10 - 15mins later, the battery is ready to go.
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Written by on Nov 21, 2017. Ownership: When it goes, I'm giving it a eulogy. Knowledge Level: AC/DC is more than a band — (2 of 4 customers found this review helpful
Scorpion LiFePo4 Battery
Pros: Starts my Honda VTR 1000 very well fully charged when shipped. Smaller and lighter than OEM, and I needed small size.
Cons: None yet.
Shipped promptly, received everything without damage. Excellent company to do business with.
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Written by on Jun 03, 2016. Ownership: Just Bought. Knowledge Level: AC/DC is more than a band — (2 of 4 customers found this review helpful
Great Battery
Pros: Fits my 2015 zx10r perfect. My bike was sitting for almost a month with this battery in there, and the bike fired right up as if it was running yesterday.
Cons: None so far.
Much more cranking amps than my other lead acid battery. Moreover, the battery has to sit on its side when installed into the zx10r and when I removed the old lead acid battery there seemed to be some leakage coming from it. With the new lithium battery I don't think I'll have that problem.
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Written by on Apr 24, 2018. Ownership: Just Bought. Knowledge Level: AC/DC is more than a band — (1 of 2 customers found this review helpful
I installed on my 2007 yamaha R1 and it never crank and start this good before.
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Written by on Nov 02, 2020. Verified Purchase
Absolutely amazing
I have been a strong supporter of the Scorpion batteries for over 10 years. I have a Honda Goldwing 2006, Yamaha V-Star 2002, Honda Reflex 2001 and an old Honda 250 from 1980. The batteries last at least 5 years as powerful everyday as the first day. They do give about a 2 week warning before dying, enough time to get another one. Super powerful, consistant, and when stored, they recharge quickly, so always ready. I do recharge every 2 months when stored, even if not complete, only ten minutes does complete regeneration.
Have many friends and we now all use the Scorpion. It is the first replacement on new bikes when they need it.
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Written by on Aug 10, 2020. Verified Purchase
Junk and warranty not honored
Died after 3 months and starting my motorcycle 3 times. My bike calls for 300 cca and this battery has 387. They refused to honor the warranty because my bike wasn't on their list.
***Note From***
We are sorry for your frustration, but we do make it clear on product page in three places that the warranty only applies when used in application. Custom bikes and application tend to have high compression engines which can take a toll on lithium batteries as they are only 1/3 the capacity of a lead acid battery their meant to replace. While we have seen them used successfully in custom application, we have also seen some failures. Simply put the they may offer high cranking, but their depth in terms of capacity is 1/3 of the original battery. Custom applications can start to excessively discharge the battery if the battery is under sized. This can cause the battery to fail as lithium batteries do not tolerate being excessively discharged, which is why Scorpion only recommends them in certain applications.
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Written by on Jun 17, 2020.
So had to bug out for 4 weeks, due to corona virus crapola... the ktm 990 has a small drain due to stock anti theft system... expected to come back to a dead battery, as I would if it had been a lead acid battery... but NO! even after 4 weeks, fired up like it had been a day since last riden. not even a little slow. Very impressed.
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Written by on Apr 22, 2020. Verified Purchase
Finally got battery to my bike in colombia.... and the weight difference is noticeable when switching from side to side in the slow tight mtn turns i ride... but the biggest changes i notice are in my accessory lighting and lower rpm smoothness. I run 4 extra led lights to help with the dark turns and those have become far more stable, less flickering.... and i am able to cruise all the way down to 2500rpm on my 1000cc vtwin ktm.. and bike doesn't buck around. KTM ecus run lean at lower rpms to conform to emissions, which makes them twitchy going on and off throttle. I put some some rottweiler O2 foolers which helped.... but i think the voltage stabilizing of this battery at lower rpms is giving stable readings to computer plus voltage regulator isn't bouncing around the demand load on stator, so everything is just smoother.... which is saying alot on a big vtwin. Big thanks for upselling me on the slightly higher price of your product. The extra amps, I'm sure, are helping!
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Written by on Mar 01, 2020. Verified Purchase
Best Bike Battery on the Market
I've had this battery for 3 years now in my 2009 KTM 690 Enduro R. This bike comes with a pretty decent OEM battery but this one blows it out of the water. It also fit perfectly into the original spot without using the provided spacers. My bike had an unrelated injector issue which would cause very hard starting, I would have to crank the bike for long periods of time after it sat to get it to start. This eventually killed my OEM battery. I've since fixed the issue but this battery can crank for days and doesn't show signs of stopping. I also recently used it to jump someone's Toyota Camry which was also no issue. The specs and performance of this battery exceed mostly anything out there and the convenience of the onboard charge meter and service free nature of the battery and long life make it the best battery value on the market IMO.
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Written by on Sep 19, 2019.
Never Fails
This is a great product. I cannot recommend it enough.
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Written by on Jul 26, 2019. Verified Purchase

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