KEMIMOTO Lithium Motorcycle Battery YTX9-BS/YTX7A-BS, LiFePO4 12v Lithium Battery 4Ah, Pre-Charged Powersports Battery, with 3 Universal-Fit EVA Spacers, Compatible with Motorcycle ATV UTV Jet Ski

I bought the 4ah for my Harley Night Train (FXSTBI). The battery is 1/2 the size of my old lead acid battery and 1/10th the weight. Yes, 1/10th! And with 320 CCA, it cranks up my Harley like a champ. No problem. They include plenty of spacers, in the box, to fill in the space left in my battery box, with a new battery 1/2 the size of the old one. The "charge" indicator is a nice feature. They say lithium is "expensive" but, this batter cost 1/2 the price of the lead acid battery I bought 5 years ago (or so). I'm thrilled with this battery. It's newly installed so, we'll see how long it lasts.

Fit perfectly my 2021 Royal Enfield Himalayan. The little battery indicator ontop is very useful if in doubt of how much juice you have on the battery. Definitely purchase a lithium battery charger along with this so that it charges properly. Very light battery took about 2lb off the bike. Packaging comes with padding options for the battery where you can adjust the hight of how the battery goes inside of its slot.

I bought this battery for a 2006 Honda TRX 450 ER and the battery terminals are reversed + - and does not fit in battery holder to wide! Wasted time! was able to return it

I like the battery, however, it didn't fit my 2012 FJR 1300! I had to make some cuts to battery box in order for it to fit.

Purchased March13 2026 for a 08 Chinese scooter 150cc. Was awesome for 6 months. I work night shift. Then September 10 2026 in the morning nothing was cranking. I usually have a small jump box in my backpack for a just in case, I got too confident because it was great and always starting. A buddy had a jump box and started the scooter. When I got home I checked the charging at the battery and it showed 13.8v. I put the battery on a lithium charger when I got home around 0800. When I woke up around 2:00 It showed full on the charger. I put a load test on it. went straight to bad with a load. I purchased the same battery for my 09 Hayabusa around the same time and it's doing great no problems. I switched back to lead acid for the Chinese 150cc scooter. My son in law purchased the same battery for his motorcycle and still cranking great. Battery only 30 day warranty.

I bought this to replace the battery on my 2002 Honda Shadow Spirit. I was quite skeptical given the weight. However, it has been reliable so far. Unfortunately, I couldn't test it for a full season as I laid my bike down and broke myself pretty good so I can't ride right now. Seems to have no problems with a battery tender on it though lol

I bought this battery for my 2008 Kawasaki Ninja ZX10R. When I got the box, I thought maybe they had forgotten to put my item inside as it felt empty! When I opened the box, I was blown away at how small and light this battery was. They actually included pads to compensate for the extremely small size so you can get the battery secured to the bike. The battery also had a power button on the top to tell me how much of a charge it has. This is a *MAJOR* upgrade if you're looking to cut weight on your bike and make it a lot more fun to ride at the track.

I went with the lithium in my 08 Kawasaki Klr650 but it failed while I was out in the mountains. I was riding very rough roads and it could not hold up to the vibration. Going back to agm type..Customer service is great and they refunded my return.

This is 5 POUNDS lighter than the stock Yuasa YTX7A-BS lead acid battery!! It cranks over the bike exactly the same and has been flawless over several months of hard off-road riding. Very impressed!