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Technical Specification
PRODUCT NUMBER ES1600
Voltage 12
Capacity (AH) 140
Length 513
Width 223
Height 223

Q 1. What is the rated capacity of the BAT412121104?

A. The Victron Energy BAT412121104 has a rated capacity of 130Ah measured at the C20 discharge rate, making it suitable for sustained deep cycle applications such as leisure, marine house power, and off-grid energy storage.

Q 2. What technology does this battery use and how does GEL differ from AGM?

A. This battery uses VRLA GEL technology, in which the electrolyte is suspended in a silica gel matrix rather than absorbed into a glass mat as in AGM designs. GEL batteries tolerate slow, deep discharges particularly well and carry a 12-year design life under correct operating conditions, compared to 7–10 years for Victron's AGM range.

Q 3. What is the design life of the Victron Energy GEL Deep Cycle Battery?

A. Victron Energy specifies a design life of 12 years for their VRLA GEL range under correct operating and charging conditions. Actual service life will depend on depth of discharge, charge regime, and ambient temperature.

Q 4. What terminal configuration and polarity does this battery have?

A. Terminal type and polarity are not confirmed in the product data. Victron Energy advises checking the label on the battery itself to verify polarity and terminal arrangement before connection. If in doubt, consult your installer or contact our technical team.

Q 5. Is this battery sealed and maintenance-free?

A. Yes. As a sealed VRLA (Valve Regulated Lead Acid) GEL battery, the BAT412121104 requires no water topping, produces no free acid spillage under normal conditions, and emits no free gases during standard charge cycles. It can be installed in enclosed spaces where adequate ventilation is maintained.

Q 6. Is this battery confirmed as compatible with start-stop vehicle systems?

A. Start-stop compatibility is not confirmed for this product. The BAT412121104 is a deep cycle GEL battery intended for leisure, marine, and standby applications rather than automotive engine starting duties. Refer to the product label and consult your application specifications.

Q 7. What other capacities are available in the Victron Energy Blue Power GEL Deep Cycle range?

A. The range includes at least two further variants: BAT412151104 and BAT412201104, offering higher capacities for larger system requirements. All share the same GEL deep cycle technology and Victron Blue Power lineage.

Q 8. What are the delivery and returns terms for the BAT412121104?

A. Standard delivery is 1–3 working days to UK mainland addresses. A 30-day returns policy applies. Please note this battery weighs 36.3kg; ensure you are able to receive and handle the consignment safely upon arrival.

Q 9. Is the BAT412121104 suitable for use with inverters or high-current loads?

A. GEL batteries are optimised for deep, sustained discharge rather than high-current burst applications. For inverters requiring very high instantaneous current, Victron's AGM range — which offers very low internal resistance — is generally more appropriate. For moderate inverter loads in off-grid or leisure applications, the GEL 130Ah can be suitable; assess your peak current requirements against the battery's discharge characteristics before specifying.

Q 10. What are the physical dimensions and weight of the BAT412121104?

A. The battery measures 440mm (length) × 200mm (width) × 270mm (height including terminal) and weighs 36.3kg. Ensure your battery compartment and hold-down arrangement accommodate these dimensions before ordering.

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