Yuasa YBX5057 12V 50Ah 450A Silver High Performance Battery, 12 Months Warranty

Automotive and light commercial starting applications demand a battery capable of sustained cold-weather cranking performance alongside reliable reserve capacity for modern vehicle electronics. The Yuasa YBX5057 is a 12V 50Ah Silver High Performance battery developed within the YBX5000 range to address precisely these requirements, offering an EN Cold Cranking Amps rating of 450A for dependable engine starts across a broad range of operating conditions. Engineered using Yuasa's Silver calcium-alloy plate technology, the YBX5057 delivers reduced self-discharge rates compared with standard calcium designs, enhancing charge retention during prolonged storage or infrequent use. The sealed SMF (Sealed Maintenance-Free) double-lid construction with end venting prevents electrolyte loss and resists spill in demanding environments. High power density supports rapid energy delivery at start-up whilst maintaining stable voltage supply for lighting and accessory circuits." The YBX5057 is housed in a B24 JIS case measuring 238mm × 129mm – 223mm and weighs 12.4kg with acid. It features T1/T3 terminal posts and positive polarity layout (Cell Layout 1). No hold-down provision is incorporated. A built-in state-of-charge indicator and carry handles are fitted as standard. Start-stop compatibility is not confirmed for this SKU – refer to the product label for guidance. No cross-reference codes are associated with this part number. "The YBX5057 is available as part of a wider YBX5000 Silver High Performance range. Related variants include the YBX5027, YBX5075, YBX5063, YBX5012, YBX5202, YBX5056, YBX5054, YBX5053, and YBX5005, covering a range of capacities and fitments for alternative vehicle applications." This battery is supplied with a 12-month manufacturer's warranty from Yuasa. "Standard delivery: 1–3 working days within UK mainland. 30-day returns. Yuasa YBX5057 12V 50Ah 450A Silver High Performance Battery is a Yuasa YTX/YTZ AGM Powersports Battery engineered to deliver dependable power, long service life, and proven reliability across demanding applications. It pairs robust capacity with durable plate design to support frequent duty cycles and everyday use. The range reflects Yuasa's OE heritage, combining strict quality control with user‑friendly, maintenance‑saving construction for consistent results. Built to Yuasa standards, it offers consistent output, durable construction, and low maintenance demands. Built to Yuasa standards, it offers consistent output, durable construction, and low maintenance demands. Key Feature: Sealed AGM construction resists spills and vibration, enabling confident use on rough terrain. High power density supports quick starts and stable supply for lights and accessories. Low self‑discharge maintains charge during storage periods and intermittent seasonal use. Robust grid alloy helps resist corrosion and extends service life in tough conditions. Ready‑to‑install convenience reduces setup time and simplifies maintenance requirements. Compact case sizing improves fitment in tight compartments on motorcycles and ATVs. Covered by a 12-month warranty for reliable use and worry-free ownership. Compatibility: Compatible with motorcycles, scooters, ATVs and UTVs requiring compact, vibration‑resistant starting power. Designed for dependable service life across typical operating Uses: Deliver reliable engine starting and stable electrical support for lights, instrumentation and auxiliary accessories. Provide vibration‑resistant power on rough terrain, supporting safety systems and continuous riding performance. Maintain charge during off‑season storage, enabling quick readiness and dependable restarts after lay‑ups. Support frequent short trips with consistent voltage output and strong recharge acceptance between rides. Withstand temperature swings while sustaining cranking performance and electrical stability across conditions. About PartsForMachines: PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specialising in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalogue of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items. Fitment Warning: Always confirm physical dimensions, terminal type, post orientation (polarity), voltage, capacity and CCA against the OEM specification before installation. Incorrect fitment can damage the vehicle/equipment and void warranties. Use an approved charger and follow Yuasa/GS Yuasa safety guidance.