# Sonnenschein GF12040Y · Light electric vehicle battery 12V 48Ah

![Sonnenschein GF12040Y · Light electric vehicle battery 12V 48Ah](https://bateriasonline.es/3656-home_default/sonnenschein-gf12040y.jpg)

> Sonnenschein GF12040Y: 48 Ah light electric vehicle battery, 242×175×190 mm, GEL. VAT included and shipping cost shown before you pay.

**Category:** [Batteries for light electric vehicles and carts](https://bateriasonline.es/en/light-electric-vehicle-cart-batteries) → [Sonnenschein](https://bateriasonline.es/en/sonnenschein-batteries)

- **Canonical URL**: https://bateriasonline.es/en/sonnenschein-gf12040y
- **Language**: en
- **Brand**: Sonnenschein
- **Reference**: BOL-SONNENSCHEIN-GF12040Y
- **EAN**: 3660766493255
- **MPN**: GF12040Y
- **Price**: 314,97 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Sonnenschein |
| Range | GEL - GF -Y Sonnenschein Cyclic range 450 cycles |
| Application | Light electric vehicles |
| Technology | GEL |
| Voltage | 12 V |
| Capacity | 48 Ah |
| Length | 242 mm |
| Width | 175 mm |
| Height | 190 mm |
| Weight | 17.5 kg |
| Terminal layout | A |
| Terminal type | A-Terminal |
| Cycles | 450 |

## Quick description

Sonnenschein GF12040Y: light electric vehicle battery with 12 V and 48 Ah, measuring 242 × 175 × 190 mm.

## Description

## The Sonnenschein GF12040Y at a glance

The Sonnenschein GF12040Y is a deep-cycle battery for light electric vehicles and carts: it withstands daily discharges and recharges without maintenance. It is installed in series to reach the vehicle voltage and needs full charges after every use.
The GF12040Y belongs to the Sonnenschein GEL - GF -Y Sonnenschein Cyclic range 450 cycles range. [The full range of Sonnenschein batteries](https://bateriasonline.es/en/sonnenschein-batteries)

## What it means that the GF12040Y is GEL

The GF12040Y is a gel battery: the electrolyte is immobilised in silica gel. It requires a charger with a specific gel profile.

## Sonnenschein GF12040Y vs GF12051Y1 and GF12051YG1: which one to choose?

What sets the GF12040Y apart from its neighbours in the Sonnenschein range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Sonnenschein GF12040Y (this one) | 48 Ah | 242 × 175 × 190 | 17.5 kg |
| Sonnenschein GF12051Y1 | 56 Ah | 276 × 175 × 190 | 22 kg |
| Sonnenschein GF12051YG1 | 56 Ah | 276 × 175 × 190 | 22 kg |

- Sonnenschein GF12051Y1: 8 Ah more, a different case (276 × 175 × 190 mm).
- Sonnenschein GF12051YG1: 8 Ah more, a different case (276 × 175 × 190 mm).

## Equivalents and alternatives to the Sonnenschein GF12040Y

No other reference in the catalogue fully matches the dimensions and polarity of the GF12040Y; you will find the closest ones among our [batteries for light electric vehicles and carts](https://bateriasonline.es/en/light-electric-vehicle-cart-batteries).

## Sonnenschein GF12040Y codes and part numbers

The GF12040Y is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | GF12040Y |
|---|---|
| EAN | 3660766493255 |
| Terminal type | A-Terminal |
| Not to be confused with | Sonnenschein GF12044Y (50 Ah) |

## What to look at before buying the GF12040Y

- Your current battery should say about 48 Ah; a little more is also fine.
- Measure the space: the GF12040Y takes up 242 × 175 × 190 mm.

## Frequently asked questions about the Sonnenschein GF12040Y

### Sonnenschein GF12040Y or GF12051Y1?

Compared with the GF12040Y, the Sonnenschein GF12051Y1 has 8 Ah more. With 56 Ah, the GF12051Y1 runs longer between charges than the GF12040Y (48 Ah). Mind the space: the GF12051Y1 measures 276 × 175 × 190 mm.

### How much does the Sonnenschein GF12040Y weigh?

The GF12040Y weighs 17.5 kg. For reference, the Sonnenschein GF12051Y1 (56 Ah) weighs 22 kg.

### Which charger does the Sonnenschein GF12040Y need?

A charger with a GEL mode not exceeding 14.1-14.4 V. Charging it with a conventional lead-acid profile damages it through overcharging.

## Keep comparing: alternatives to the GF12040Y

- [All batteries for light electric vehicles and carts](https://bateriasonline.es/en/light-electric-vehicle-cart-batteries)
- [The whole Sonnenschein range](https://bateriasonline.es/en/sonnenschein-batteries)
- [Sonnenschein GF12033Y1](https://bateriasonline.es/en/sonnenschein-gf12033y1) · 38 Ah, 210×175×175 mm
- [Sonnenschein GF12033YG1](https://bateriasonline.es/en/sonnenschein-gf12033yg1) · 38 Ah, 210×175×175 mm
- [Sonnenschein GF12033YG2](https://bateriasonline.es/en/sonnenschein-gf12033yg2) · 38 Ah, 210×175×175 mm

---
*bateriasonline.es — Batteries and accessories · 2026-11-11*