Cyclic deep discharge applications demand a battery capable of repeated charge and discharge cycles without progressive capacity loss. The Sonnenschein GF12033YG1 is a 12V 38Ah GEL VRLA battery from the GF-Y (dryfit? A500 Cyclic) range, engineered specifically for leisure and mobility equipment where reliable energy delivery and long cycle life are essential.
Built on Sonnenschein's dryfit? technology, the electrolyte is permanently immobilised in a gel matrix, eliminating free liquid and enabling safe operation in any orientation. Valve regulated construction prevents gas emission under normal operating conditions, making the battery maintenance-free throughout its entire service life – no electrolyte topping-up is required. The GF-Y range is rated for approximately 450 cycles, making it well suited to electric boats, golf carts, powered wheelchairs, and mobility scooters.
The GF12033YG1 measures 210mm × 175mm – 175mm (L × W × H) and weighs 14.6 kg. It is fitted with F6 terminals, carries a B00 hold-down specification, and has standard polarity (code 0). No direct cross-reference codes are listed; compatibility with start-stop applications is not confirmed – refer to the product label. Voltage: 12V. Capacity: 38Ah (C20).
This battery is available in a range of capacities within the Sonnenschein GF-Y cyclic family, including GF12022YT, GF12025YG, GF12033Y1, GF12033YG2, GF12040Y, GF12044Y, GF12051Y1, and GF12052YO, allowing selection to match precise energy requirements." The GF12033YG1 is supplied with a 1-year manufacturer 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 14.6, 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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