Yuasa YBX7054 (M42) 12V 40Ah 400A EFB Start Stop Battery, 12 Months Warranty

Modern start-stop vehicles place exceptional demands on the battery, requiring a unit capable of withstanding repeated partial-state-of-charge cycling without premature capacity loss. The Yuasa YBX7054 is an Enhanced Flooded Battery (EFB) engineered specifically to meet these demands, offering a dependable power solution for vehicles equipped with basic start-stop systems. Manufactured by Yuasa, one of the world's most established battery producers, the YBX7054 belongs to the YBX7000 EFB Start Stop range. EFB technology employs a polyester scrim applied directly to the positive plate group, which significantly improves charge acceptance, cycle durability, and acid stratification resistance compared with a conventional flooded battery. The result is a unit rated to water loss class W3, charge retention class C2, and vibration resistance class V3 under the relevant European standards. The YBX7054 delivers 12V, 40Ah capacity at the 20-hour rate, and 400A Cold Cranking Amps (EN). Physical dimensions are 197mm (L) × 128mm (W) × 227mm (H), with a mean weight of 11.5kg. The case conforms to JIS B20 EFB (M42) and the battery features T1/T3 terminals with 0 polarity (positive terminal left). Recommended charge rate is 2A. Please refer to the product label to confirm start-stop compatibility for your specific application. No direct cross-reference codes are currently listed. The YBX7054 is available as part of a wider YBX7000 EFB range. Related variants include the YBX7100, YBX7027, YBX7005, YBX7053, and YBX7055, covering a range of capacities and fitments for different start-stop applications. This battery is supplied with a 12-month manufacturer's warranty, providing assurance of build quality and long-term reliability. Standard delivery: 1–3 working days within UK mainland. 30-day returns. Yuasa YBX7054 (M42) 12V 40Ah 400A EFB Start Stop 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.