# Long LG17-12 · Electric wheelchair battery 12V 17Ah

![Long LG17-12 · Electric wheelchair battery 12V 17Ah](https://bateriasonline.es/855-home_default/long-lg17-12.jpg)

> Long LG17-12: 17 Ah electric wheelchair battery, 181×76×167 mm, positive terminal on the right, GEL. Equivalent to Sonnenschein GF12014YF and Long LG20-12N.

**Category:** [Electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries) → [Long](https://bateriasonline.es/en/long-batteries)

- **Canonical URL**: https://bateriasonline.es/en/long-lg17-12
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-LG17-12
- **MPN**: LG17-12
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | LG Series |
| Application | Electric wheelchairs |
| Technology | GEL |
| Voltage | 12 V |
| Capacity | 17 Ah |
| Length | 181 mm |
| Width | 76 mm |
| Height | 167 mm |
| Weight | 6.3 kg |
| Polarity | Positive terminal on the right |

## Quick description

The Long LG17-12 is an electric wheelchair battery with 12 V and 17 Ah, measuring 181 × 76 × 167 mm, with the positive terminal on the right.

## Description

## Who the Long LG17-12 is for

The Long LG17-12 is made for powered wheelchairs. With 17 Ah per battery, the LG17-12 is designed for a full charge every night.
The LG17-12 belongs to the Long LG Series range. [The full range of Long batteries](https://bateriasonline.es/en/long-batteries)

## Equivalents and alternatives to the Long LG17-12

Other gel batteries with the dimensions and polarity of the LG17-12: with gel it is best to stay with gel, because the charging profile is different.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Sonnenschein GF12014YF | GEL | 15 Ah | 181 × 76 × 167 |
| Long LG20-12N | GEL | 20 Ah | 181 × 76 × 167 |

## Long LG17-12 vs LG20-12N and LG12-12: differences

How the LG17-12 compares with Long batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|
| Long LG17-12 (this one) | 17 Ah | 181 × 76 × 167 | right | 6.3 kg |
| Long LG20-12N | 20 Ah | 181 × 76 × 167 | right | 6.7 kg |
| Long LG12-12 | 12 Ah | 151 × 98 × 98 | – | 4 kg |

- Long LG20-12N: 3 Ah more, the same dimensions.
- Long LG12-12: 5 Ah less, a different case (151 × 98 × 98 mm).

## What it means that the LG17-12 is GEL

Inside, the LG17-12 holds its electrolyte in gel form. It is the classic technology for wheelchairs, scooters, motorhomes and solar.

## Check this before ordering the Long LG17-12

- Length, width and height of the LG17-12: 181 × 76 × 167 mm.
- The LG17-12 has the positive terminal on the right: compare it with your current battery.
- With 17 Ah, the LG17-12 replaces an original battery of that capacity or slightly less.

## Long LG17-12 codes and part numbers

Shops, garages and catalogues identify the LG17-12 with these codes:

| Commercial reference | LG17-12 |
|---|---|
| Not to be confused with | Long LG7-12 (7 Ah), Long LG12-12 (12 Ah) |

## Frequently asked questions about the Long LG17-12

### Long LG17-12 or LG20-12N?

Compared with the LG17-12, the Long LG20-12N has 3 Ah more. With 20 Ah, the LG20-12N runs longer between charges than the LG17-12 (17 Ah). Both measure 181 × 76 × 167 mm, so they fit the same tray.

### How much does the Long LG17-12 weigh?

The LG17-12 weighs 6.3 kg. For reference, the Long LG20-12N (20 Ah) weighs 6.7 kg.

### Which battery is equivalent to the Long LG17-12?

For the LG17-12, other gel batteries with its size and polarity: Sonnenschein GF12014YF and Long LG20-12N.

### Which side is the positive terminal on the Long LG17-12?

The LG17-12 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

### Which charger does the Long LG17-12 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.

## Other options if you are unsure about the LG17-12

- [All electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [The whole Long range](https://bateriasonline.es/en/long-batteries)
- [Sonnenschein GF12014YF](https://bateriasonline.es/en/sonnenschein-gf12014yf) · 15 Ah, 181×76×167 mm
- [Long LG20-12N](https://bateriasonline.es/en/long-lg20-12n) · 20 Ah, 181×76×167 mm

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*bateriasonline.es — Batteries and accessories · 2026-11-10*