12V 3Ah YTX4L-BS Battery Replacement for 4LBS Battery - Compatible with 4L-BS YTX4LBS CTX4L-BS DTX4L-BS - 12 Volt Motorcycle Quad ATV Powersport Moped Batteries, YTX4L AGM SLA, Batteries

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12V 3Ah YTX4L-BS Battery Replacement for 4LBS Battery - Compatible with 4L-BS YTX4LBS CTX4L-BS DTX4L-BS - 12 Volt Motorcycle Quad ATV Powersport Moped Batteries, YTX4L AGM SLA

Brand: Upstart Battery

588 ratings

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Brand	Upstart Battery
Vehicle service type	Scooter
Voltage	12 Volts
Battery cell composition	Lead Acid
Number of cells	6
Manufacturer	Upstart Battery
UPC	628586034068

About this item

𝐏𝐄𝐑𝐅𝐄𝐂𝐓 𝐑𝐄𝐏𝐋𝐀𝐂𝐄𝐌𝐄𝐍𝐓 𝐅𝐎𝐑 𝐇𝐎𝐍𝐃𝐀, 𝐒𝐔𝐙𝐔𝐊𝐈, 𝐘𝐀𝐌𝐀𝐇𝐀, 𝐏𝐎𝐋𝐀𝐑𝐈𝐒 𝐌𝐎𝐃𝐄𝐋𝐒 𝐀𝐍𝐃 𝐌𝐎𝐑𝐄 - Drop-in compatible ytx4l-bs battery for small motorcycles, scooters, and ATVs from brands like Honda, Suzuki, Yamaha, and Polaris. Exact-fit dimensions eliminate installation hassle for most mini powersport vehicles. Check the compatibility list in the product description to ensure proper fit for your specific model.
𝐂𝐎𝐌𝐏𝐀𝐂𝐓 𝐋𝐄𝐀𝐃-𝐀𝐂𝐈𝐃 𝐁𝐀𝐓𝐓𝐄𝐑𝐘 𝐅𝐎𝐑 𝐒𝐌𝐀𝐋𝐋 𝐄𝐍𝐆𝐈𝐍𝐄𝐒 - A reliable 4lbs battery that delivers dependable starting power for scooters, ATVs, and mini dirt bikes. Designed for users needing a lightweight, easy-to-install 12V power solution.
𝐑𝐄𝐋𝐈𝐀𝐁𝐋𝐄 𝐒𝐓𝐀𝐑𝐓𝐈𝐍𝐆 𝐏𝐎𝐖𝐄𝐑 𝐅𝐎𝐑 𝐋𝐈𝐆𝐇𝐓-𝐃𝐔𝐓𝐘 𝐀𝐏𝐏𝐋𝐈𝐂𝐀𝐓𝐈𝐎𝐍𝐒 - Strong cranking performance for small displacement engines, electric start lawn mowers, and light utility equipment. Great for everyday use and recreational vehicles.
𝐒𝐄𝐀𝐋𝐄𝐃, 𝐌𝐀𝐈𝐍𝐓𝐄𝐍𝐀𝐍𝐂𝐄-𝐅𝐑𝐄𝐄 𝐃𝐄𝐒𝐈𝐆𝐍 𝐅𝐎𝐑 𝐂𝐋𝐄𝐀𝐍 𝐎𝐏𝐄𝐑𝐀𝐓𝐈𝐎𝐍 - This sealed lead-acid battery is non-spillable and maintenance-free—no water top-ups required. The es4lbs battery construction allows installation at various angles with no risk of acid leaks.
𝐂𝐎𝐋𝐃 𝐖𝐄𝐀𝐓𝐇𝐄𝐑 𝐑𝐄𝐒𝐈𝐒𝐓𝐀𝐍𝐓 𝐖𝐈𝐓𝐇 𝐒𝐓𝐀𝐍𝐃𝐀𝐑𝐃 𝐓𝐄𝐑𝐌𝐈𝐍𝐀𝐋𝐒 - Built to handle a range of temperatures, including cold-weather starts. Terminals are compatible with most small engines — always confirm your connector type. A budget-friendly replacement for OEM 12V 4Ah batteries such as the 4l-bs battery and cross-compatible with models labeled ytx4l-bs and 4lbs battery.

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This item: 12V 3Ah YTX4L-BS Battery Replacement for 4LBS Battery - Compatible with 4L-BS YTX4LBS CTX4L-BS DTX4L-BS - 12 Volt Motorcycle Quad ATV Powersport Moped Batteries, YTX4L AGM SLA

$33.99

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PZ19 Carburetor with 35mm Air Filter for 50cc 70cc 80cc 90cc 110cc 125cc ATV Dirt Pit Bike Taotao Honda CRF Scooter Go Karts

$19.99

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Left Hand Hydraulic Brake Master Cylinder with Handle Lever for Motorcyle ATV Quad Moped Pit Dirt Bike 50cc 70cc 90cc 110cc 125cc 150cc 200cc 250cc, 7/8" Universal Left Hydraulic Brake Master Cylinder

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Product description

Power up your ride with a compact 12V sealed lead acid AGM battery designed for small motorcycles, scooters, ATVs, and youth dirt bikes. Whether you're cruising on a mini bike or hitting the trails, this maintenance-free ytx4l-bs battery offers reliable cranking power and a built-in voltage display to monitor battery status in real time.

Designed for convenience and versatility, this 4lbs battery arrives fully charged and ready to install. Its sealed, spill-proof gel design supports safe multi-angle mounting, making it ideal for tight battery boxes and rugged off-road setups. Compatible with a wide range of vehicles, it features standard terminal posts that work with most factory cable configurations.

Engineered for casual riders, light-duty commuters, and budget-conscious powersport owners, this 4l-bs battery delivers dependable performance for frequent short rides or weekend use. While it handles basic starter tasks well and is cold weather resistant, users in colder climates or with high-displacement engines may experience reduced cranking efficiency.

Maintenance-free design simplifies ownership, requiring no water top-ups or acid handling. For best results during extended storage, store the battery in a cool, dry place, disconnect it if possible, and check it periodically to ensure it's holding a charge. These simple steps help keep your battery ready for use whenever you need it..

Compatibility:

TLR200 Reflex (1986–1987)
ZB50 (1988)
CT70 (1991–1994)
XR250L (1991–1996)
CRF110F (2013)
CRF125F (2014)
(2001–2002)
DR250S (1990)
DR350S (1990–1994)

Product information

Technical Details

Manufacturer	‎Upstart Battery
Place of Business	‎Hebron, KY 41048,US
Brand	‎Upstart Battery
Parcel Dimensions	‎17.6 x 10.3 x 9.9 cm; 1.39 kg
Manufacturer reference	‎UB-YTX4L-BS
Batteries	‎1 Product Specific batteries required. (included)
Is discontinued by manufacturer	‎No
Manufacturer part number	‎UB-YTX4L-BS
Amperage	‎3 Amps
Voltage	‎12 Volts
Item Weight	‎1.39 kg

Additional Information

ASIN	B01GQO3KKA
Customer Reviews	588 ratings 4.3 out of 5 stars
�鶹�� Rank	#5,344 in Automotive (See Top 100 in Automotive) #18 in Motorcycle & Powersports Batteries
Date First Available	June 7 2016

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	This Item 12V 3Ah YTX4L-BS Battery Replacement for 4LBS Battery - Compatible with 4L-BS YTX4LBS CTX4L-BS DTX4L-BS - 12 Volt Motorcycle Quad ATV Powersport Moped Batteries, YTX4L AGM SLA	Recommendations Mighty Max Battery YTX4L-BS SLA Battery Replacement for Honda 125 MSX125 Grom 14-19	�� Mighty Max Battery YTX4L-BS GEL Battery Replacement for Honda 125 MSX125 Grom 14-19	�� Battanux YTX4L-BS Battery & Motorcycle Battery, Sealed SLA/AGM 12V4Ah ATV/UTV/Snowmoble/Motor bike Battery Maintenance Free & No tools for installation & Advanced Technology & Environmental	�� UB-YTX5L-BS 12V 4Ah Replacement for Honda CRF230 Battery - Compatible with Honda CRF230F CRF150 CRF150F CRF250X CRF450X CRF 150 150F 230 230F 250X Motorcycle Battery, YTX5L-BS AGM SLA	�� Replacement 2011 Kasea Mini Skyhawk 50CC Factory Activated, Maintenance Free, ATV Battery - 12V, 3Ah, UB-YTX4L-BS
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Price	$33.99	$39.05	$45.21	$33.99	$36.99	$31.99
Delivery	Get it by Wednesday, Jul 23	Get it Jul 24 - 29	Get it Jul 24 - 29	Get it by Wednesday, Jul 23	Get it by Wednesday, Jul 23	Get it by Wednesday, Jul 23
Customer ratings	4.3588	4.322	4.660	4.0359	4.529	3.710
Sold by	Certified Battery	Mighty-Max Battery	Mighty-Max Battery	Battanux	Certified Battery	Certified Battery
compatible vehicles	Scooter	Scooter	Scooter	Motorcycle, ATV, UTV	Motorcycle	ATV
voltage	12 volts	12 volts	12 volts	—	12 volts	12 volts
number of cells	6	6	6	6	6	6
battery composition	lead acid	lead acid	lead acid	lead acid agm	lead acid	lead acid

Customer reviews

588 global ratings

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Customers say

Customers like the functionality, battery life, and fit of the auto battery. They mention it works straight out of the box, does the job of starting the bike, and holds a charge fine. Some also say it starts their 18hp tractor everytime. However, some customers have different opinions on the quality.

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Functionality Battery life Fit Starting performance

17 customers mention "Functionality"17 positive0 negative

Customers like the functionality of the auto battery. They mention it works straight out of the box, does the job of starting the bike, and is an excellent product to power their ice-fishing flasher.

"Works great" Read more

"Works fine. Can’t say how long though just installed it and it worked" Read more

"Work straight out of the box, but like with any new battery, I put it on the charger just to make sure everything was good...." Read more

"Does the job of starting the bike, no problem. Great price and fast delivery." Read more

11 customers mention "Battery life"11 positive0 negative

Customers like the battery life of the product. They mention it can get two full days of use before recharging and hold a charge fine. Some say it starts the bike no problem and charges up quickly with a 2 amp charger.

"Good battery works great in the atv" Read more

"...so it won’t crank the engine into eternity, but it charges up quick with a 2 amp charger." Read more

"...We've been out about 4 times and the battery starts the bike no problem. So far so good :o)" Read more

"...it matched the existing one perfectly and was fully charged ready to go. exactly as stated. thanks" Read more

6 customers mention "Fit"6 positive0 negative

Customers like the fit of the product. They mention it's a great size and has a great price.

"Fit and does the job" Read more

"Fit perfectly accurate description works !" Read more

"Fit like a charm in my boys 50cc quad." Read more

"Fit perfect! Arrived in perfect condition and on time. Great buy!" Read more

3 customers mention "Starting performance"3 positive0 negative

Customers are satisfied with the starting performance of the auto battery. They mention it starts their 18 HP tractor every time, their scooters and motorcycles successfully.

"It started the Motorcycle and a good price. Good enough for me. Thank you" Read more

"...Been using it for the last few months and starts my 18hp tractor everytime. Not the most powerful but will start tractor everytime...." Read more

"It helps a lot, my scooter started up successfully. This switches the Yamaha Bw's (50cc) motorbike as well." Read more

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Olivier Scallon
Bien
Reviewed in Canada on April 4, 2025
Verified Purchase

Bon

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Frank
Bonne batterie
Reviewed in Canada on January 12, 2025
Verified Purchase
Parfait pour remplacement sur ma génératrice.

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Peter Tinella
Does the trick
Reviewed in Canada on July 7, 2025
Verified Purchase
I bought battery for my lawntractor not realizing how small it was but I installed it anyway. Believe it or not I found it better then most larger batteries for a much higher price. Been using it for the last few months and starts my 18hp tractor everytime. Not the most powerful but will start tractor everytime. If it lasts the rest of season I'll be happy it and just get another one next year. Best bang for the buck

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Chris
Starts and charges
Reviewed in Canada on April 14, 2024
Verified Purchase
Does what it’s intended purpose is. It’s only 3.0Ah so it won’t crank the engine into eternity, but it charges up quick with a 2 amp charger.

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Mary
The batter worked as soon as we put it in our grandsons bike an is still going strong
Reviewed in Canada on May 11, 2023
Verified Purchase
We liked that we didn't have to charge the battery we put it in the bike an it fired right up.

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Jason
Good
Reviewed in Canada on September 16, 2024
Verified Purchase
Fonctionne bien

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Jan p.
Alright at first
Reviewed in Canada on September 17, 2024
Verified Purchase
First installed battery worked fine for about 3 starts then lost charge. Bike can’t even recharge this one when running. Ended up putting old battery back in it holds charge a little longer.

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bernard larocque
Bas prix
Reviewed in Canada on August 12, 2024
Verified Purchase
Durable grande vie

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Top reviews from other countries

Steven V.
kILLER PRICE
Reviewed in the United States on April 5, 2018
Verified Purchase

I was about to hit the check out tab on my order for a new battery for my daughters Polaris 90 and this battery poped up at the bottom of the screen. Just like with anything you are about the purchase from my most favorite place in the world to shop, �鶹�� of course ! And I am very happy that it did. Because I was about to spend just over 40$'s on a battery and this particular one was only 11 $'s. Yea that's dam near 1/4 of the price !!!!! And it works just as well as the other. And it is also maintenance free just like the other. (I was not compensated in any way for this review. EVERYTHING I purchase off �鶹�� comes from my own hard earned cash)

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Paul
Great customer service!
Reviewed in the United States on July 7, 2023
Verified Purchase
I received a bad battery. I sent the seller a message and they sent a new one out right away!

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J. Howell
Better than the price would suggest.
Reviewed in the United States on August 2, 2018
Verified Purchase
I purchased them to replace Power Wheel batteries and get 3 times the use and certainly a quicker charge - just don’t know how long they’ll last.

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Roland Taylor Daniel
Excellent battery for the price
Reviewed in the United States on May 1, 2019
Verified Purchase
I figured I'd take a chance on this cheap battery for my 50cc scooter and I am very impressed. It came fully charged right out the box and ready to go. Holds solid charge and has no issues whatsoever. Will do business again.

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Kevin
As advertised & good packaging
Reviewed in the United States on August 8, 2018
Verified Purchase
I was definitely skeptical at first before purchasing but gave it a shot anyway. Pleasantly surprised it came nicely packaged in a box and a sealed plastic film. Replaced my older, bigger battery for my 50cc scooter. Works as advertised and you can't beat the price.

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