Deep-cycle applications such as electric mobility, golf carts, and leisure marine equipment demand a battery that can sustain repeated discharge and recharge cycles without degradation in performance. The Sonnenschein GF12040Y is a 12V 48Ah gel cyclic battery from the GF-Y (dryfit? A500 Cyclic) range, engineered specifically to meet the sustained energy demands of these cyclic use cases.
Manufactured by Sonnenschein, a brand with a long-established reputation in VRLA technology, the GF12040Y employs valve-regulated lead-acid construction in which the electrolyte is permanently fixed within a gel matrix. This dryfit? technology eliminates electrolyte stratification, prevents spillage, and removes the need for any topping up throughout the service life of the battery. The design is rated to 450 cycles, making it a reliable choice for applications subject to regular deep discharge.
The GF12040Y measures 242mm (L) × 175mm (W) × 190mm (H) including terminal, weighs 16kg, and is supplied with a Type 1 terminal arrangement. Hold-down type is B00 and terminal polarity is standard (code 0). No direct cross-reference codes are listed for this SKU; fitment should be verified against the dimensions and terminal specification prior to installation. Start-stop compatibility has not been confirmed – please refer to the product label.
The GF-Y range is available in multiple capacities to suit varying system requirements; related variants include the GF12022YT, GF12025YG, GF12033Y1, GF12033YG1, GF12033YG2, GF12044Y, GF12051Y1, and GF12052YO." This battery is supplied with a 1-year warranty. "Standard delivery: 1–3 working days within UK mainland. 30-day returns.
Range GF-Y (dryfit® A500 Cyclic) The GF-Y range is particularly suitable for the leisure market with applications including electric boats, golf carts, and scooters.
Key Feature:
- VRLA (valve regulated battery technology), electrolyte is fixed in a gel
- Maintenance-free (no topping up) during the whole service life due to the Sonnenschein dryfit® technology
- 450 cycles according to IEC 60254-1
- Very robust
- Backed by 1-year warranty for reliable use and dependable performance.
- Product Group: 5200, SONNENSCHEIN CYCLIC BATTERY GF-Y, Sonnenschein Gel Battery, purpose-built for dependable performance in the intended application.
- Engineered as a Gel Battery, delivering consistent, reliable operation in daily use.
- Manufactured by Sonnenschein, a trusted name known for dependable quality.
- Weighs 16.0, 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.
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