YTX14 BS ATV Lithium Powersport Battery 12V CCA480A 8Ah Motorcycle Battery with Smart BMS,Replacement ATV, UTV, Motorcycle, Scooter, Snowmobile, 4 Wheeler, Lawn Mower, and 12V Generator Battery etc.

Update 8 Nov 2023...battery failed just after 30 days. Had an electrical burn smell, but case was not deformed in any way. Totally unable to jump start the bike, had to swap back in my old, bad lead acid battery to get it started. Battery fails every load test. Charger indicated full charge but the test button on the battery only shows 66%. Battery rattles internally, likely a broken solder connection. Contacted seller via amazon...a couple messages back and forth describing the issue. Replacement battery received quickly after that. Will see how the replacement holds up.Original review...yes, this battery works and is plenty powerful. but it can be challenging for certain applications. It's nice that it has dual terminals, meaning that it works for both left hand and right hand applications. But the terminals are only threaded on the top and not the sides. If your battery cables attach from the side you will have to get extra square nuts, which are not included. Also, as this battery is much shorter than an equivalet lead acid battery, spacers are required. This only came with one spacer so I had to use a piece of 2x4 wood to fit the battery. It works in my 2008 harley sportster but I had to do extra work to get it set right.

Bought this battery on april 1st. Only used it in my harley 4 times prior then yesterday while on a trip, my bike would not start. Had to pay to get bike towed. Mechanic advised that my new battery had no voltage in it and was completely dead. Battery will not charge up. Very disappointed with this and cannot get any reply from the seller or manufacturer

Bought this in May 2023 for my motorcycle. Once installed, this battery cranked my bike faster than it ever has, seemingly a burst of energy from this battery to quickly start the bike. Very happy with it. It lasted the '23 riding season, and most of the '24 season. Then I noticed it did not crank as quickly, finally, would not start the bike. I did some testing, and found the battery seemed to "limit" the charge to 13.6 volts, which is too low. The bike charging system seemed to work OK, so I contacted Ampxell thru Amazon. After working with Lily and her engineers, we figured the battery developed an internal issue with the battery management system. Even after the warranty was up, Ampxell sent me a new battery. Great customer service!

I bought this for my daughter's Miata as it takes a goofy sized battery.It was a challenge adapting the posts to battery, but some quick disconnect terminals fixed that.It had no problem starting the car, in fact, with over 400 CCA, it was actually over spec, and did a great job turning the motor over and providing power to everything.What the BMS system does not appear to do is limit the charging current, and the alternator in a car provides just too much charging current and this will destroy the battery - and in the smelliest (toxic?) way possible.Too bad the mfr didn't address this in the BMS because otherwise, what's not to like?Light, powerful, tiny - these are all great features. Take care of the charging problem and provide some extra packaging to make it fit the Miata and I bet a bunch of people would flock to this battery.I'm the meantime, just don't put it in a car.

UPDATE: so after I posted my initial 1-star review - the seller reached out to me and asked a few questions about the battery and how it was used/charged ... After several emails they sent me a replacement battery at no cost to me ... I won't put it back into my chopper until I can figure out a way to firmly bolt the battery down ... Changed to five-star for customer service - docked it a star for durability ...I bought this for my 2009 HD Thunder Mountain Custom Copper because I wanted to make the switch to lithium for the smaller size and instant cranking capabilities ... I did my research and finally landed on the 12v 8ah 480cca version and I'll say at first it worked flawlessly ... No more hesitation on startup and easy charging (not that it ever needed charging) was as advertised, Plus I got a little extra room in the battery box for wire storage because it didn't need to be as big as the AGM that it replaced.That was until yesterday when it left me stuck on the side of the road because it wouldn't start. I checked the battery monitor and it just flashed at the 30% mark and would not crank.After getting it home I hooked up to the charger and let it charge all night. This morning when I went to check the charge it was still at less than 3 volts. When I pulled the battery out to see what was going on, it was clear that there are internal parts rattling around on the inside of the battery. There's no warranty other than what Amazon offers for additional cost on checkout. This is different than my other lithium batteries which have 8 year and 11 year warranties on them.Just beware this product doesn't appear to have a manufacturer warranty, so if it fails after the initial 30 days from purchase you're stuck with a useless piece of plastic.FYI I purchased this battery in March 2023 so it has lasted almost 3 months.

Great battery except the bms has no undercurrent protection, this is the second time this has happened . Left power on and battery is now dead. Last one was in the 30 day window, this one can’t return as it’s almost a year. My fault the key was left on but all lipo batteries have a bms which should shut down at 3 volts or so. Have same battery in other bike and other than the lack of undercurrent protection there great. Will get from another source this time.Update, wow didn’t expect such a high level of customer service, they quickly responded to my review and made it rite by sending me a new battery. They offered me a tip as well, don’t leave the key in the ignition stupid, full disclosure I added the stupid.