# Deep-cycle battery Sonnenschein GF12033Y1 12V 38Ah GEL ![Deep-cycle battery Sonnenschein GF12033Y1 12V 38Ah GEL](https://baterias.com/4400-home_default/battery-sonnenschein-gf12033y1-12v-38ah.jpg) > Sonnenschein GF12033Y1 deep-cycle battery 12V 38Ah GEL. Designed for deep discharges (80% DOD); ideal for solar, marine, caravan. 24 h delivery. **Category:** [Mobility Vehicle Batteries](https://baterias.com/gb/batteries-for-mobility-vehicles) → [Sonnenschein](https://baterias.com/gb/sonnenschein) - **Canonical URL**: https://baterias.com/gb/battery-sonnenschein-gf12033y1-12v-38ah - **Language**: en-GB - **Brand**: Sonnenschein - **Reference**: BATERIAS-SONNENSCHEIN-GF12033Y1 - **EAN**: 3660766462848 - **MPN**: GF12033Y1 - **Price**: 227,37 € - **Stock**: Out of stock ## Technical specifications | Feature | Value | |---|---| | Peso | 14,60 kg | | Tecnología | GEL | | Terminal | A-Terminal | | Capacidad C20 (Ah) | 38 Ah (c20) | | Voltage | 12 V | | Capacity | 38 Ah | ## Quick description **Sonnenschein GF12033Y1 12V 38Ah** is a deep-cycle battery optimised for repeated discharges down to 80 % DOD and thousands of life cycles. Ideal when the battery discharges and recharges daily rather than just cranking the engine (mobility scooters, backup systems, golf, pallet trucks). ### Why this deep-cycle battery? - **Daily cycling without wear** handles deep discharges without losing capacity - **Sealed AGM/GEL** no maintenance, no risk of spills - **Thousands of useful cycles** over its full lifetime 🔌 Voltage 12 V ⚡ Capacity 38 Ah C20 📏 Dimensions 210×175×175 mm ⚙️ Technology Gel ⚖️ Weight 14,6 kg 🏷️ Model GEL - GF -Y Sonnenschein Cyclic range 450 cycles ## Description ## Batería Sonnenschein GF12033Y1 Gel Dryfit GF-Y La **GF12033Y1** forma parte de la serie **Sonnenschein GF-Y**, la referencia mundial en baterías de gel para movilidad eléctrica. Con su tecnología **dryfit®** (electrolito gelificado), esta batería es totalmente libre de mantenimiento, hermética y segura para su uso en interiores y transporte. Ofrece un rendimiento excelente con una vida útil de **450 ciclos** (según norma IEC 60254-1), garantizando fiabilidad diaria para su vehículo. ### Usos recomendados para la gama GF-Y - Sillas de ruedas eléctricas. - Scooters de movilidad. - Carritos de golf y caddies. - Embarcaciones eléctricas y ocio. ### Ventajas de la tecnología Gel Sonnenschein - **Libre de mantenimiento:** No requiere rellenado de agua. - **Seguridad total:** A prueba de derrames y fugas, apta para transporte aéreo/marítimo. - **Protección contra descarga profunda:** Más resistente que las baterías convencionales. - **Baja autodescarga:** Almacenamiento prolongado sin carga (hasta 2 años). ### Especificaciones Técnicas Modelo GF12033Y1 Tecnología Gel (Dryfit) Voltaje 12V Capacidad (C5) 38Ah Capacidad (C20) 38Ah (aprox) Dimensiones 210,00 x 175,00 x 175,00 mm Peso 14,60 kg Terminal A-Terminal ## Frequently asked questions ### Is the GF12033Y1 model a gel battery? Where is it used? Yes, this model is a GEL battery: sealed lead-acid where the electrolyte is in gel form. It tolerates deep discharges very well and is ideal for cyclic use (solar, motorhomes, electric wheelchairs, motorcycles). Requires a GEL-specific smart charger — max charge voltage ~14.1 V (vs 14.4-14.7 V for AGM). Lifespan 6-10 years. ### How do I verify this battery is the right one? Three ways: 1) enter your number plate in the finder (DGT/DVLA/KBA auto-detect your model and engine); 2) check the "Compatible vehicles" tab on this page, where we list every vehicle verified by our technical team for the GF12033Y1; 3) if you cannot find your model, message us on WhatsApp with brand, model, engine and year — we reply during business hours (Mon–Fri 9:00–18:00 CET). ### How do I change this battery step by step? In most devices it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on this page. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On devices with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile. ### What warranty does the Sonnenschein GF12033Y1 battery have? We provide 1 year of official manufacturer warranty against manufacturing defects. It applies to defects such as damaged cells, internal short-circuits or abnormal capacity loss. Damage from misuse is excluded: prolonged overcharging, unsuitable chargers or a faulty alternator. Once the defect is verified by technical inspection, we replace the GF12033Y1 at no cost. ### When will I receive the GF12033Y1 model? In mainland Spain and Portugal it arrives in 24 h if you order before 17:00 and the battery is in stock — it leaves the same day and arrives the next business day. Afternoon or weekend orders ship the next business day. For Balearics, Canaries and other EU destinations, allow 2-5 days. Shipping cost is calculated in the cart based on destination and service (standard, express, cash on delivery). Tracking number is sent by email + SMS as soon as the parcel ships. ### Can I return the Sonnenschein GF12033Y1 battery if it doesn't fit or doesn't work? Yes. You have 14 days from delivery to return it. In mainland Spain and Portugal returns are FREE — we cover the return shipping cost via prepaid label. In other EU countries the return shipping cost is the customer's. It must arrive in its original packaging with no signs of installation. If it was defective, the warranty covers replacement even after the 14-day period. ### How much does the Sonnenschein GF12033Y1 battery cost? The current price at baterias.com is 227,37 € (VAT included; 187,91 € excl. VAT), updated every 24 hours. The applicable VAT may vary with the destination country and is confirmed in the cart. Shipping cost is calculated in the cart based on destination and chosen service (standard, express, cash on delivery). ### Where do I find the GF12033Y1 model online? At baterias.com — authorised distributor with real stock, 24h delivery in mainland Spain and Portugal if you order before 17:00, and full manufacturer warranty. Shipping cost is calculated in the cart based on destination and chosen service (standard, express, cash on delivery). Secure payment by card, Bizum, PayPal or bank transfer. If you choose at-home installation, our technician will take the used battery and dispose of it through an authorised collection point. ### How long does the Sonnenschein GF12033Y1 battery last? Expected lifespan of the Sonnenschein GF12033Y1 is 6 to 10 years in cyclic use (marine, caravan, solar) with controlled discharges. In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured. ### What are the measurements of the GF12033Y1 model? Dimensions (length × width × height) are 210×175×175 mm — also written as 210x175x175 mm and correspond to the European LB1 case size — following the European DIN standard. Always measure the space in your device before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals. ### How many kilos does this battery weigh? It weighs 14,6 kg. Most of the weight is lead. If you plan to fit it yourself, use gloves and a carrying strap (AGM batteries are slightly heavier than conventional due to the absorbent glass-mat fibre). ### Which interchangeable batteries are there for this one? Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop devices. See the "Equivalents" section to view recommended options at the same performance level. ### Which is better: Sonnenschein GF12033Y1 or an alternative from another brand? This battery and its equivalents from Bosch, Tudor or Exide are technically comparable: same dimensions, same voltage and same capacity. The differences are warranty (Varta and Bosch: 2 years; Tudor and Exide: 2 years on the equivalent line), manufacturing plant (Varta and Bosch share origin in the Clarios Group; Tudor and Exide belong to Exide Technologies) and price. For private use any of these brands will give 4-6 years of life. Compare them in the "Equivalents" section. ### What do users say about the Sonnenschein GF12033Y1 battery? The product rating, when available, is shown on the product page next to the stars. You can also check our public Trustpilot profile at shop level (4.5/5 from 11,352+ verified reviews). Most-praised points: reliable cold start, lifespan above 5 years and fast delivery; most common complaints mention BMS-equipped devices that need OBD registration after fitting. ## Technical team (editorial authorship) The FAQs, guides and comparisons on this site are reviewed by the baterias.com technical team — over 25 years of experience validating automotive batteries. → https://baterias.com/gb/technical-team --- *baterias.com — Automotive batteries · 2026-08-28*