MMG YTZ12S Z12S Lithium Ion Sealed Powersports Battery 12V, 300 CCA, No Spills, Fully Charged and Activated Ready to Use (MMG4) Motorcycle Scooter ATV Snowmobile Engine Start Battery

Perfect for my Proto Type 371, purchased this Battery for another project, I've taken a pair of Bang&Olufsen Beoplay S-3 Bluetooth Speakers at 100 to 240 Volts at 20 watts power Consumption each and used a 300 watt true wave 110 volt power inverter to power the B&O's to make them totally portable. At $399.95 retail each, I paid a fraction of retail by finding this pair on Letgo. These B&O's sound amazing and now they are totally portable with this Battery, I'm still in the process of seeing how long they will run at 3/4 volume, I may have to purchase another one, possibly for longer play time, so far so good. I will update as soon as I see if I'll have to use two of these Batteries. So far I recommend this Battery, for the light weight and longer running time, compared to the led acid Batteries. I will definitely be back with updated review and photos of the device, my Proto type 371, once I cut the holes for the Speakers and install the custom grills, in this custom portable Bluetooth Speaker System. Yes it will be for sale once completed.

I bought this battery as part of my lightening project. It reduced the weight of my KLX300SM by 4 pounds, making the curb weight 288 pounds including an oversized 2.7 gallon fuel tank full of gas and a 3 pound steel rear rack. Even though the battery only weighs a pound, it's strong enough to turn over the engine easily. It works fine and I'm totally satisfied with it.

21 Month review.I bought this battery for my 2017 Ninja 650 (size YTZ12).It is ALOT smaller and lighter than stock and comes with stick on plastic bumpers to make it fit the stock battery tray. The battery has a charge indicator in top and works well.In the 21 months I have used it there have been zero issues. I had my motorcycle shipped from Florida to Hawaii with the battery disconnected and it fired right up after a 3 month wait.My 2015 Harley 883 with a traditional battery didnt do so well, but I was able to use this one to jump it with no issues.I will be buying more of these as my other 4 bikes batteries die out.

I needed a modern and more efficient replacement for the factory AGM HD battery used in my Buell XB12S. Not only does it crank and start the motor quicker and easier than the factory battery but it’s also smaller and weighs only about 1.5lbs. It’s crazy how much better these modern batteries are. Price is also very competitive compared to other Lithium batteries on the market.

Used this battery in my motorcycle from end April until September. Went to charge it and it's dead, won't take a charge via a lith ion battery 12v charger and won't test. I emailed the company since it's been less than a year since purchase, no response. Leaving a one star review hoping they reach out to me to talk about manufacturers warranty.

Like many people have said, when you get the box you think there is Nothing in it because it is so light. Fit nice and snug into my battery tray on my Honda NM4. Cranks Much Faster than my stock battery. Has given me no issues, make sure you buy the charger for the Lithium Ion batteries. Overall Great Product and Great Price !

Works great so far has alot of crank power for a 2013 650 ninja the amp hour could be a bit higher tho if u leave leds on to long it will drain the battery to low to start bike will update on longevity

Very light, compact. They come with the sizing legs to help fulfill the size requirements of the bikes oe battery. Used it on my rc51, she cranks stronger and can stay off tender for up to a month, she still cranks right up. I'm going to put this in all of my bikes now.