Optima Blue Top Marine Battery - 8016-253 12V 55Ah - BTDCM4.2, 2 Years Warranty

Product Number: BTDCM4.2

Marine and recreational vehicle electrical systems place unique demands on batteries, requiring a power source that can deliver reliable engine-starting performance whilst simultaneously supporting sustained auxiliary loads from trolling motors, navigation electronics, lighting, and onboard comfort equipment. The Optima Blue Top 8016-253 is engineered specifically for these dual-purpose requirements, offering a single battery solution capable of both high-output cranking and deep-cycle service. Built on Optima's proprietary Spiral Cell AGM (Absorbent Glass Mat) construction, the Blue Top eliminates free liquid electrolyte by suspending the acid within tightly wound glass mat separators. This design delivers significantly lower internal resistance than conventional flooded batteries, producing a stable voltage output under heavy discharge, superior vibration resistance for marine environments, and the ability to accept a recharge far more rapidly than standard lead-acid alternatives. AGM technology also renders the unit spill-proof and maintenance-free in service. The 8016-253 operates at 12V and provides 55Ah capacity (C20) with a Cold Cranking Amp rating of 765A (EN). Physical dimensions are 254mm (L) x- 175mm (W) x- 200mm (H including terminal), and the unit weighs 20.6kg. Terminal configuration is Dual Terminal (DT), hold-down type B00, and polarity is standard (Positive Right, code 1). No direct cross-reference codes are held on file; verify fitment against vehicle or vessel battery tray dimensions and electrical specifications before ordering. Start-stop system compatibility is supported by the AGM technology; confirm suitability via the product label." This product is offered as a single unit. No additional variants are currently listed. The Optima Blue Top 8016-253 is supplied with a 2-year manufacturer warranty against defects in materials and workmanship. " . The OPTIMA BLUETOP high-performance AGM Battery is the perfect marine battery for boats with trolling motors and extensive electronic systems and works well with recreational vehicles with comfort features that tend to drain batteries quickly. Key Feature: Backed by 2-year warranty for reliable use and dependable performance. Product Group: 3500, OPTIMA BLUE TOP BATTERY, Optima AGM Battery, purpose-built for dependable performance in the intended application. Engineered as a AGM Battery, delivering consistent, reliable operation in daily use. Manufactured by Optima, a trusted name known for dependable quality. Weighs 20.6, balancing power and manageability for easier installation and handling. . OEM-style fitment supports straightforward replacement and proper mounting. 12V system compatibility with standard vehicle electrical requirements. Compatibility: Suited for marine and RV applications, supporting engine cranking and house loads for regular use. Uses: Provides robust cranking power for marine/RV engines and onboard systems. Supports house loads and accessories with stable reserve capacity. Handles intermittent use and storage with dependable restarts. Designed for multi-€˜stop trips and auxiliary power needs afloat or on the road. About MachineRefurb: MachineRefurb is an e-commerce platform specialising in replacement parts, spares and consumables for construction, agriculture and industrial machinery, serving customers across Ireland, the United Kingdom and Europe. We offer an extensive catalogue of over 200,000 products to keep your machines running. Standard delivery: 1-7 working days across Ireland, the UK and Europe.