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A. The BTDCM4.2 (8016-253) is a 12V battery with a rated capacity of 55Ah at the C20 discharge rate and a Cold Cranking Amp (CCA EN) rating of 765A.
A. AGM stands for Absorbent Glass Mat. The electrolyte is held within fibreglass mat separators rather than remaining as free liquid, making the battery spill-proof and maintenance-free. For marine applications this construction also provides superior resistance to vibration, shock, and the risk of acid spillage in a vessel environment.
A. This battery is fitted with a Dual Terminal (DT) arrangement, which provides both SAE post terminals and threaded stud terminals, allowing flexible cable connection options for marine and RV installations.
A. The polarity code is 1, which denotes Positive terminal on the Right when the battery is viewed from the front with the terminals facing towards you. Confirm this orientation is compatible with your vehicle or vessel wiring before installation.
A. Yes. The Blue Top range is specifically designed for dual-purpose marine use, providing both engine-starting cranking power and the sustained deep-cycle discharge capability required to run trolling motors and onboard electronics over extended periods.
A. The AGM technology used in this battery is fundamentally compatible with start-stop system requirements. However, suitability for a specific vehicle must be verified against the product label and your vehicle manufacturer's specification, as not all start-stop systems are identical in their demands.
A. No cross-reference codes are currently held on file for this product. To identify a suitable replacement for an existing battery, match the voltage (12V), capacity (55Ah), CCA rating (765A EN), and physical dimensions against your current battery specification.
A. The BTDCM4.2 is covered by a 2-year manufacturer warranty against defects in materials and workmanship from the date of purchase.
A. Standard delivery is 1–3 working days within UK mainland. A 30-day returns policy applies. For full delivery and returns information, please refer to our delivery and returns pages at the time of ordering.
A. The battery measures 254mm (length) × 175mm (width) × 200mm (height including terminal) and weighs 20.6kg. Always verify that your battery tray or compartment can accommodate these dimensions before ordering.
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