# Deep-cycle battery Sonnenschein GF12072Y 12V 80Ah GEL ![Deep-cycle battery Sonnenschein GF12072Y 12V 80Ah GEL](https://baterias.com/4413-home_default/battery-sonnenschein-gf12072y-12v-80ah.jpg) > Sonnenschein GF12072Y deep-cycle battery 12V 80Ah GEL. Designed for deep discharges (80% DOD); ideal for solar, marine, caravan. 24-48 h delivery (mainland ES/PT). **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-gf12072y-12v-80ah - **Language**: en-GB - **Brand**: Sonnenschein - **Reference**: BATERIAS-SONNENSCHEIN-GF12072Y - **EAN**: 3660766462800 - **MPN**: GF12072Y - **Price**: 414,95 € - **Stock**: Out of stock ## Technical specifications | Feature | Value | |---|---| | Peso | 33,00 kg | | Tecnología | GEL | | Terminal type | AP | | Capacity (C20) | 80 Ah (c20) | | Voltage (V) | 12 V | | Capacity | 80 Ah | ## Quick description **Sonnenschein GF12072Y 12V 80Ah** is a deep-cycle battery built to be discharged and recharged daily without losing capacity. Its reinforced grid and AGM/GEL separator extend the number of useful cycles well beyond a conventional starter battery. ## 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 80 Ah C20 📏 Dimensions 330×171×235 mm ⚙️ Technology Gel ⚖️ Weight 33 kg 🏷️ Model GEL - GF -Y Sonnenschein Cyclic range 450 cycles ## Description ## Mobility battery Sonnenschein GF12072Y 80Ah 12V 12*V* Voltage 80*Ah* Capacity 33*kg* Weight The **12 V**, **80 Ah** **Sonnenschein GF12072Y** with GEL technology is the standard replacement for power wheelchairs, mobility scooters and light electric vehicles. Measuring 330 × 171 × 235 mm, it is the direct replacement for power wheelchairs and mobility scooters fitted from the factory with a 80 Ah battery of this format. - No maintenance, no water top-ups. - Approved for air and sea transport (VRLA). - GEL: excellent resistance to deep discharge and long cycle life. - Sealed AGM/GEL: safe indoors and in transport. ### Size, terminals and hold-down of the Sonnenschein GF12072Y It has external dimensions of 330 × 171 × 235 mm and weighs 33 kg. It uses AP terminals, the system that anchors and connects it in the vehicle. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery. ### What the Sonnenschein GF12072Y is for The Sonnenschein GF12072Y is designed for power wheelchairs, mobility scooters and light electric vehicles. Wheelchairs and scooters normally use two identical batteries in series: replace them together. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 33 kg and AP terminals. ### Technology inside the Sonnenschein GF12072Y The GF12072Y is one of the Sonnenschein references for this type of use; it shares the same manufacturing and quality-control criteria as the rest of the brand's catalogue. In a GEL battery the electrolyte is gelled with silica: it is fully sealed, cannot spill and tolerates deep discharge very well. It is the preferred technology in electric mobility, marine service and heavy-cycling applications. ### What Sonnenschein does differently Sonnenschein batteries with dryfit® technology have equipped power wheelchairs, cleaning machines and industrial vehicles for decades thanks to their reliability and cycle life. We guarantee that every Sonnenschein arrives new, charged and with the manufacturer's full warranty. ### Warranty and coverage The Sonnenschein GF12072Y comes with the **manufacturer's official warranty** against manufacturing defects. If it fails through a defect within the warranty period, we replace it at no cost to you. ### Care and maintenance Use the original charger or one compatible with the battery technology (AGM/GEL) and always replace both batteries in the set together. GEL batteries need lower charging voltages: always use a charger with a GEL mode so as not to damage the electrolyte. ### Delivery times and returns Orders placed **before [[ks:cutoff]]** with the battery in stock ship the same day. Delivery in mainland Spain and Portugal takes 24-48 working hours; for the Balearic and Canary Islands and the rest of the European Union allow 3 to 5 working days. You have **[[ks:return_days]] days** to return an unused battery; in mainland Spain and Portugal collection is free. We email you the tracking number as soon as the parcel ships. ## Frequently asked questions ### Is this battery GEL? What is the typical use? 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 is the Sonnenschein GF12072Y battery installed in the vehicle? 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. ### How long does the Sonnenschein GF12072Y battery last? Expected lifespan of the Sonnenschein GF12072Y 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 GF12072Y model? Dimensions (length × width × height) are 330×171×235 mm — also written as 330x171x235 mm — 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. ### What are the equivalents of the GF12072Y model? 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. ## 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 · 2026-10-06*