{"product_id":"casil-ytx4l-bs-12v-3ah-agm-motorcycle-atv-battery-sealed-vibration-resistant-replacement","title":"Casil YTX4L-BS 12V 3Ah AGM Motorcycle \u0026 ATV Battery — Sealed, Vibration-Resistant Replacement","description":"\u003cp\u003e\u003cstrong\u003eThe Casil YTX4L-BS is a sealed 12V, 3Ah AGM replacement battery engineered to deliver dependable starting power for ATVs, dirt bikes, scooters, and other small powersports machines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you're swapping a worn cell in a 50cc pit bike or fitting a compact battery into a 125cc mini motorcycle, this Casil unit is built as a direct physical and electrical replacement for YTX4L-BS style batteries. Its absorbed glass mat (AGM) construction keeps electrolyte contained, so there's no topping up, and the valve-regulated design improves resistance to vibration and tipping—useful for off-road riding and daily commuting alike.\u003c\/p\u003e\n\n\u003ch3\u003eHow reliable is this battery for starting small engines?\u003c\/h3\u003e\n\u003cp\u003eThe Casil YTX4L-BS offers consistent cranking voltage designed for small-displacement motors. Its high-quality AGM cells provide repeatable starts over many charge cycles when maintained with a compatible charger.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e12V, 3Ah capacity tuned for 50cc–125cc engines\u003c\/li\u003e\n  \u003cli\u003eAGM construction for stronger discharge and recharge performance\u003c\/li\u003e\n  \u003cli\u003eEngineered to hold charge during storage with low self-discharge\u003c\/li\u003e\n  \u003cli\u003eSuitable for repeated starting in varied temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this battery physically fit my ATV, scooter, or dirt bike?\u003c\/h3\u003e\n\u003cp\u003eThis Casil pack is a drop-in replacement for common YTX4L-BS form-factor batteries and compatible equivalents (CTX4L-BS, GTX4L-BS, ETX4L-BS, PTX4L-BS). The factory-sized case and standard terminal layout make installation straightforward in most small powersports battery compartments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement sizing for YTX4L-BS specified models\u003c\/li\u003e\n  \u003cli\u003eStandard terminal positions for easy wiring swap\u003c\/li\u003e\n  \u003cli\u003eFits many TaoTao, Coolster, Honda, and generic Chinese models\u003c\/li\u003e\n  \u003cli\u003eSimple bolt-down installation with common hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the AGM design affect maintenance and durability?\u003c\/h3\u003e\n\u003cp\u003eAGM batteries are sealed, which removes the need for adding water and reduces leakage risk. The valve-regulated, spill-proof construction also enhances vibration resistance—important when riding rough trails or carrying loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNo watering or acid handling—sealed and maintenance-free\u003c\/li\u003e\n  \u003cli\u003eSpill- and leak-resistant for safe, upright or slightly tilted use\u003c\/li\u003e\n  \u003cli\u003eImproved shock resistance for off-road conditions\u003c\/li\u003e\n  \u003cli\u003eBetter recharge acceptance than older flooded designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I care for and charge this battery to extend life?\u003c\/h3\u003e\n\u003cp\u003eUse a charger compatible with 12V AGM batteries and avoid prolonged deep discharge to preserve cycle life. Keep terminals clean and securely tightened, and remove the battery for long-term storage if the vehicle will sit unused for months.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCharge with an AGM-capable charger at recommended voltages\u003c\/li\u003e\n  \u003cli\u003eTop up charge every few months during storage to prevent sulfation\u003c\/li\u003e\n  \u003cli\u003eClean terminals and check tightness after off-road use\u003c\/li\u003e\n  \u003cli\u003eAvoid jump-start methods that exceed battery specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Riders, mechanics, and DIYers who need a compact, maintenance-free 12V battery for small-displacement ATVs, pit bikes, scooters, mopeds, and mini motorcycles. It suits owners replacing a worn YTX4L-BS-style battery on models from brands like TaoTao, Coolster, Honda, and other common 50cc–125cc machines who want a sealed, vibration-resistant power source that installs quickly and reliably.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this battery a direct replacement for my YTX4L-BS?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the Casil YTX4L-BS matches the YTX4L-BS form factor and terminal layout for direct swap-in replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I charge this battery with a regular 12V charger?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use a charger with AGM-compatible settings; avoid standard flooded-battery profiles to prevent under- or over-charging.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Casil","offers":[{"title":"Default Title","offer_id":48085543616670,"sku":"B0944B1SQD","price":36.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/casil-ytx4l-bs-front-view.jpg?v=1785872392","url":"https:\/\/northtrailauto.ca\/products\/casil-ytx4l-bs-12v-3ah-agm-motorcycle-atv-battery-sealed-vibration-resistant-replacement","provider":"North Trail Auto","version":"1.0","type":"link"}