# Deep-cycle battery Sonnenschein GF12044Y 12V 50Ah GEL

![Deep-cycle battery Sonnenschein GF12044Y 12V 50Ah GEL](https://baterias.com/4404-home_default/battery-sonnenschein-gf12044y-12v-50ah.jpg)

> Sonnenschein GF12044Y deep-cycle battery 12V 50Ah 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-gf12044y-12v-50ah
- **Language**: en-GB
- **Brand**: Sonnenschein
- **Reference**: BATERIAS-SONNENSCHEIN-GF12044Y
- **EAN**: 3661024500135
- **MPN**: GF12044Y
- **Price**: 300,40 €
- **Stock**: Out of stock

## Technical specifications

| Feature | Value |
|---|---|
| Peso | 19,00 kg |
| Tecnología | GEL |
| Terminal type | AP |
| Capacity (C20) | 50 Ah (c20) |
| Voltage (V) | 12 V |
| Capacity | 50 Ah |

## Quick description

**Sonnenschein GF12044Y 12V 50Ah** 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
50 Ah C20

📏 Dimensions
261×135×230 mm

⚙️ Technology
Gel

⚖️ Weight
19 kg

🏷️ Model
GEL - GF -Y Sonnenschein Cyclic range 450 cycles

## Description

## Mobility battery Sonnenschein GF12044Y 50Ah 12V

12*V* Voltage
50*Ah* Capacity
19*kg* Weight

The **Sonnenschein GF12044Y** with GEL technology delivers **50 Ah** at **12 V** with the cycle life that power wheelchairs, mobility scooters and light electric vehicles demand. It measures 261 × 135 × 230 mm, the format sought by anyone replacing a 50 Ah battery in power wheelchairs and mobility scooters.
- Designed to be discharged and recharged daily without losing capacity.
- GEL technology: gelled electrolyte, fully sealed and maintenance-free.
- Standard replacement format for wheelchairs and scooters.
- Thousands of useful cycles over its lifetime.

### What the Sonnenschein GF12044Y is for

With 50 Ah, the Sonnenschein GF12044Y offers the daily range that power wheelchairs, mobility scooters and light electric vehicles need, with a sealed construction that is safe indoors. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 19 kg and AP terminals.

### Technology inside the Sonnenschein GF12044Y

The GF12044Y 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.
GEL technology fixes the acid in a solid gel. That removes maintenance and leaks and gives very long cycle life, in exchange for slightly slower recharging and lower peak current than an AGM.

### Will it fit your current battery tray?

It has external dimensions of 261 × 135 × 230 mm and weighs 19 kg. It uses AP terminals, the system that anchors and connects it in the vehicle. For a direct replacement, the current battery tray must accept these dimensions and the same terminal layout; otherwise adapters will be needed or the hold-down will change.

### What Sonnenschein does differently

Sonnenschein (EnerSys) invented the dryfit® GEL battery: the world reference in gel batteries for electric mobility, light traction and applications that demand safety and intensive cycling. All the Sonnenschein batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.

### Care and maintenance

GEL batteries need lower charging voltages: always use a charger with a GEL mode so as not to damage the electrolyte. Use the original charger or one compatible with the battery technology (AGM/GEL) and always replace both batteries in the set together.

### Official warranty

The Sonnenschein GF12044Y 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.

### Shipping, delivery 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 the GF12044Y 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 is the Sonnenschein GF12044Y 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 many years does this battery last?

Expected lifespan of the Sonnenschein GF12044Y 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 GF12044Y model?

Dimensions (length × width × height) are 261×135×230 mm — also written as 261x135x230 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 GF12044Y 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

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*baterias.com — Automotive batteries · 2026-10-02*