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โก Power Up Your Ride with the Future of Lithium Performance!
The Forgetyo Lithium YTX20L-BS is a 12.8V, 10AH LiFePO4 motorcycle battery delivering 700 cold cranking amps with over 2000 deep charge cycles. Weighing only 3.7 pounds, it offers 5X faster starts and 5X longer lifespan than lead-acid batteries. Featuring a built-in BMS for enhanced safety and rapid charging capabilities, it fits a wide range of powersports vehicles including motorcycles, ATVs, jet skis, and riding mowersโcombining lightweight convenience with robust, maintenance-free power.







| ASIN | B0DSL9C8LY |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #3,411 in Automotive ( See Top 100 in Automotive ) #18 in Powersports Batteries |
| Brand | Forgetyo |
| Brand Name | Forgetyo |
| Compatible with Vehicle Type | YTX20L-BS |
| Customer Reviews | 4.2 out of 5 stars 368 Reviews |
| Included Components | 1 Battery |
| Item Dimensions D x W x H | 6.1"D x 3.43"W x 6.89"H |
| Item Weight | 3.7 Pounds |
| Manufacturer | Forgetyo |
| Manufacturer Part Number | YTX20L-BS |
| Manufacturer Warranty Description | Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. Forgetyo will also provide you with a 3-year quality guarantee, You can find out more about the exceptions and conditions |
| Model Number | YTX20L-BS |
| Product Dimensions | 6.1"D x 3.43"W x 6.89"H |
| Vehicle Service Type | YTX20L-BS |
| Voltage | 12.8 Volts |
D**.
Powerful cranking battery with light weight and built in volt meter. Came ready to ride at 13.3V!
I have two different motorcycles, and this battery works well for both of them despite their sizes being completely different and one being 20 years older than the other. What I like about this battery is the compact size to power ratio. My "newest" bike is a 1993 FZR600 with some customizations, and at 5AH, this battery has enough reserve to crank that big engine over several times with minimal voltage drop. It spins fast, so there's really not as much resistance, and the bike cranks up almost immediately even after sitting for a few weeks. That was the first test for me. Secondly, the size is small enough to fit inside the cafe hump of my 1974 CB360 with VERY minimal space for a battery. No problem for this one. And again, more than enough juice to crank that engine over with ease. It's a relatively high compression engine for that time, and the starter motor screams when you crank with this battery. Almost no doubt it'll start each time, plus being able to kick start it if the voltage sags too much is great too.... The battery comes with all the necessary hardware and silicone terminal covers, as well as a manual with suggested charging voltages/currents and a built in voltage meter. It was charged at 13.3V when it arrived (the picture didn't capture the 1 from that angle but it was truly 13.3), and was ready to roll. That's so much better than traditional lead acid with the fluid cells, and so much lighter than AGM batteries, which are 2-3 times more heavy. All in all, no complaints, and for the time being, I'm fully satisfied. 5 stars for good charge, strong cranking power, and great weight savings.
L**T
Less weight more power Perfection
Replaced the battery in my 2020 Ural gear up 2wd. Exact same size and I'd suspect half the weight. More power and excellent cranking. Stop thinking about it, just order it already. I will order again for my other bikes. Good value.
C**L
Upgrade for any rider seeking light weight, reliability, performance, and durability
This lithium battery is significantly lighter than traditional lead-acid batteries. The reduced weight improved my motorcycle's overall balance and handling, especially during long rides. The battery delivers excellent starting power, even in cold weather. It cranks the engine effortlessly, with no lag or hesitation.
D**N
Great Little battery
I ride a Suzuki Bobo M50 motorcycle. The battery of this bike has always performed very stably. Every time I start the motorcycle, there is no problem at all, even after being left for a while. There is no need to worry anymore about whether it can start or not. This is really a relief. If you are tired of those unstable batteries, I highly recommend this product!
K**C
so far it's been an excellent powerful battery that cranks EVERY time.
i had an Ionic lithium motorcycle battery but it failed in less than 30 days from new, went back to AGM but they simply do not have the cranking amps to reliably turn over my bike when the engine is hot (right after stopping to fill up with gas). so i came to Amazon and looked at all the options, after a couple weeks of research i settled on this battery in the YTX14-BS size, fits perfectly into my VTX, starts it every time with no hesitation at all even when the bike is hot. i've had it over a month now and so far it's been great and worth every penny. the captive nuts made it easy to install without the need to fiddle with the nuts down in the battery compartment while installing the wires. if it lasts, it's an outstanding battery for your motorcycle or other small battery applications. might get one of these for my zero turn mower as well. i'll report back if there are any issues down the road.
T**0
Half the weight, couple inches shorter, twice the amperage of oem lead acid- easy choice.
I have to say, I'm very impressed with this battery. Its probably at least less than half the weight of the oem lead acid battery, several inches shorter in height (see pics showing gap between top of battery and the oem battery hold down bracket), and yet twice the cold cranking amps. It performs fantastic and even has a nice little battery charge state gauge on top for quick reference. It fits perfectly in my '03 Kawasaki Vulcan Mean Streak 1500 and gives it a much needed upgrade. Battery life is great, as you would expect with a lithium battery and it is much less affected by cold. It charges up much faster than my lead acid one and has cable mounting on both the top and side for multiple applications. At nearly the same price as the higher end lead acid equivalent at Walmart, this is an excellent buy you should definitely consider if your in the market for a new battery.
C**N
Lightweight, pleanty of cranking power for a riding lawn mower NOT WATERPROOF/RESISTANT
So far this battery has been exactly what i needed to replace the lead acid battery in my lawn tractor that will not last more than a year or two tops. I have bought so many batteries for this lawn tractor over the years but this one should last at least 5 i hope. The quality seems great even though you cant really tell how its made on the inside. It starts the mower just fine and I also used it in my cabover camper to raise all 4 jacks at the same time so I know it has plenty of power for its size. Only time will tell as that is what kills all of my batteries. Update. One month past return window and the key was left on killing the battery. It will not charge. Was able to get it back to about 9 or 10 V but will not power anything. And figures, just beyond the return window. Update. Before throwing this battery away i decided to break it open and see why it wont work. It was full of water about 1/8 of the way. I thought they were waterproof so i left it in the tractor under the seat like a normal battery. We got a heavy rain storm a few weeks back and it must have got water inside the battery. This explains the erratic charging behavior trying to charge it back up. I will dry it out and see if its still usable but i doubt it. The box is not easy to open, it will never close up again. BMS got wet and no longer works. I think the battery itself is fine, but the BMS getting wet and having a current running thru it caused it to corrode. Will try replacing the BMS for $13 but not holding my breath.
T**K
Excellent product
Great product. Light weight ready to use. I love the voltage indicator. Highly recommended
M**.
Cranks like a mad thing and very light
Perfect fit for the bike (BMW K1300R), light, digital display on the top for voltage, and it cranks the engine like a mad thing. The K1300s are notorious for being hard for a battery to turn over due to the high compression ratio, and I have never heard it crank that quickly. So the only remaining question is longevity, and I obviously can't comment on that yet. So 5 stars at the moment!
Trustpilot
1 month ago
1 month ago