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Victron Energy AGM Deep Cycle Battery 12V, 130Ah - BAT412121084, 2 Years Warranty
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Q 1. What is the rated capacity of the BAT412121084?

A. The Victron Energy BAT412121084 is rated at 130Ah at the C20 discharge rate. This figure represents the capacity delivered when the battery is discharged over a 20-hour period to the standard end voltage.

Q 2. What applications is this AGM battery designed for?

A. This battery is purpose-built for high-current deep cycle applications including inverters, electric bow thrusters, deck winches, and other commercial or marine systems that require sustained power delivery over extended discharge periods.

Q 3. What is the design life of this Victron AGM battery?

A. The Victron Energy Blue Power AGM range carries a design life of 7–10 years under appropriate operating and charging conditions. Actual service life will depend on discharge depth, charge regime, and ambient temperature.

Q 4. How should I confirm the terminal polarity before installation?

A. Polarity must be confirmed directly from the label printed on the product itself prior to connection. Do not assume polarity from the battery orientation or from diagrams associated with similar products. Incorrect polarity connection may cause irreversible damage.

Q 5. Is this battery suitable for start-stop vehicle systems?

A. AGM technology inherently supports start-stop functionality; however, suitability for a specific start-stop vehicle application must be verified against the product label and the vehicle manufacturer's requirements. The BAT412121084 is primarily specified as a deep cycle battery rather than an automotive starting battery.

Q 6. Does this battery require any maintenance after installation?

A. No. The sealed VRLA AGM construction is entirely maintenance-free. There is no requirement to check or replenish electrolyte levels. Ensure the battery is charged using a charger compatible with AGM chemistry to preserve service life.

Q 7. Are other capacities available in the same Victron Blue Power AGM Deep Cycle range?

A. Yes. Additional variants within this range include BAT406225084, BAT412151084, and BAT412201084. Consult each product listing for individual capacity and dimensional specifications to select the appropriate model for your application.

Q 8. What are the delivery and returns terms for the BAT412121084?

A. Standard delivery is 1–3 working days to UK mainland addresses. A 30-day returns policy applies. For specific shipping timeframes or returns queries, please contact the PartsForMachines customer service team directly.

Q 9. What are the physical dimensions and weight of the BAT412121084?

A. The battery measures 440mm (length) × 200mm (width) × 270mm (height including terminal). It weighs 36kg. Confirm that the installation location can accommodate these dimensions and support the weight before fitting.

Q 10. What does VRLA AGM construction mean in practice?

A. VRLA stands for Valve-Regulated Lead-Acid. The AGM (Absorbent Glass Mat) construction suspends the electrolyte within glass fibre matting between the plates. This eliminates free liquid, makes the battery sealed and maintenance-free, and produces very low internal resistance — enabling efficient high-current discharge.

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