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A. The BTDCM5.0 (8027-227) is a 12-volt battery with a rated capacity of 66 Ah at the C20 rate.
A. The Optima Blue Top 8027-227 is rated at 845 CCA, measured to the EN standard, providing sufficient starting power for mid-sized marine engines.
A. The battery uses dual SAE post and stud terminals (type DT) with a polarity configuration of 2. This allows connection via standard SAE leads or bolt-down ring terminals.
A. The Blue Top range is dual-purpose, combining engine-starting capability with deep-cycle performance to support auxiliary loads such as trolling motors, navigation systems, and onboard electronics.
A. The AGM technology used in this battery is compatible with start-stop systems in principle. However, fitment should be verified against the vehicle or vessel manufacturer's specification and the product label before installation.
A. Yes. The sealed AGM construction contains no free liquid electrolyte, making the battery spill-proof and suitable for installation in enclosed compartments or at angles where a conventional flooded battery would not be appropriate.
A. No direct cross-reference codes are listed for this SKU. Compatibility should be verified by comparing the physical dimensions, voltage, capacity, and terminal configuration against the original battery specification.
A. The battery is covered by a 2-year warranty against manufacturing defects under normal operating conditions. Proof of purchase must be retained to support any warranty claim.
A. Standard delivery is 1–3 working days within the UK mainland. A 30-day returns policy applies; goods must be returned in their original condition.
A. The battery measures 309 mm (length) × 172 mm (width) × 221 mm (height including terminals) and weighs 24.4 kg.
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