In most cases, a motorcycle or powersports battery label contains the brand, the size, and the letters “BS”. The battery brand and the size/group are self-explanatory, but the letters “BS” are not.
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The letters “BS” on motorcycle batteries can mean several things:
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– Battery Sealed (BS): BS-labeled motorcycle batteries are spill-proof, maintenance-free, and can operate almost anywhere, except upside down. However, some models can also operate upside down.
Factory Activated (FA) and Battery Sealed (BS) batteries are filled with electrolyte, sealed, and fully charged. Factory-activated batteries can be maintained, but they cannot be stored for long periods.
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– Bottle Supplied (BS): Occasionally, motorcycle batteries are delivered as dry batteries with their electrolyte stored in plastic containers containing the exact amount of electrolyte.
Before their use, “Bottle Supplied” (BS) batteries must be activated – they are filled with electrolyte from the containers. This type of battery can be either wet/cell or AGM, both requiring very similar activation procedures.
Unlike “Battery Sealed” (BS) batteries, “Bottle Supplied” (BS) dry batteries have a much longer shelf life and they do not require maintenance/recharging while being stored for a longer period of time.
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Conclusion
“Bottled Supplied” (BS) batteries may have a longer operating life since they are activated just prior to use, but with “Battery Sealed” (BS) batteries one doesn’t have to deal with a very aggressive and toxic sulfuric acid (H2SO4) which is used as an electrolyte in the lead-acid batteries, even though it is somewhat diluted.
What do the letters mean on a motorcycle battery?
The letters on a motorcycle battery indicate its series, type, and features. For example, “YTX” shows Yuasa-brand, AGM technology, and case design, while specific codes like “B” or “BS” hint at design features such as “Bottle Supplied” for acid or sealed maintenance-free construction. Each letter represents compatibility and battery characteristics.
Is 12.9 V good for a motorcycle battery?
Yes, 12.9 V is considered a good voltage for a fully charged motorcycle battery, especially for AGM types, which are 100% charged between 12.8 and 13.0 volts. This level indicates the battery is healthy, holding full charge, and ready for reliable starts and electrical performance.
Are BS batteries any good for motorcycles?
BS batteries are recognized for reliability and consistent performance in motorcycles. They offer sealed, maintenance-free designs and advanced AGM or lithium technology, making them a popular choice throughout Europe and Asia for both original equipment and replacement needs.
What do the letters on a battery mean?
Battery letters denote brand, chemistry, and features. For motorcycle batteries, common letters reveal the battery series (Y, C, M), case design (TX, TXL), and technology (AGM, GEL, MF for maintenance-free). They ensure proper fit, electrical characteristics, and maintenance requirements for specific applications.
What Does YTX Mean On A Battery?
YTX designates a sealed maintenance-free AGM battery. “Y” often stands for Yuasa (or compatible design), “T” indicates the case style, and “X” shows AGM construction. This code is industry-standard for sealed, high-performance motorcycle batteries needing little to no upkeep.
What Is A YT12B-BS Battery?
A YT12B-BS battery is a sealed, AGM-type 12V motorcycle battery. “YT” signals the battery series and case style, “12B” refers to capacity and specific fitment, and “BS” means it’s a “Bottle Supplied” AGM, maintenance-free once filled and sealed.
How Does A BS Battery Compare To Yuasa?
BS batteries are valued for modern tech and affordability, while Yuasa is known for premium durability and original equipment reliability. BS provides strong performance and widespread fitment; Yuasa often offers a longer lifespan and is favored for critical applications.
What Is The Review Of BS Batteries?
Reviews show BS batteries generally earn praise for consistent power delivery, easy installation, and solid lifespan. Riders favor their maintenance-free design and value compared to premium brands, although some users reserve Yuasa for maximum longevity in demanding bikes.
Where To Find YT12B-BS Battery Near Me?
Find a YT12B-BS battery at local motorcycle shops, powersports dealers, auto parts stores, and major online retailers. Search for OEM or aftermarket brands ensuring YT12B-BS compatibility for specific motorcycles or scooters.
How Does BS Battery Compare To Yuasa On Reddit?
On Reddit, motorcyclists often describe BS batteries as a reliable, cost-effective choice, suitable for most riders. Yuasa is favored for maximum reliability and OE replacement, but BS receives positive talk for casual and budget-focused users.
What Is The CCA Rating Of A YT12B-BS Battery?
A typical YT12B-BS battery has a cold cranking amps (CCA) rating ranging from 180 to 210 CCA. This provides sufficient starting power for most midsize street bikes and scooters, ensuring quick, reliable ignition even in cool conditions.
Is YT12B-BS An AGM Battery?
Yes, a YT12B-BS is an AGM (Absorbent Glass Mat) battery, making it maintenance-free and spill-proof. Its construction supports strong, vibration-resistant performance and longer service life—key for motorcycles and scooters needing steady, reliable power.
