# Long WP50-12 · Electric wheelchair battery 12V 50Ah

![Long WP50-12 · Electric wheelchair battery 12V 50Ah](https://bateriasonline.es/837-home_default/long-wp50-12.jpg)

> Long WP50-12: 50 Ah electric wheelchair battery, 199×166×171 mm, AGM. Equivalent to MK Battery ES50-12 and MK Battery M50-12 SLD M.

**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-wp50-12
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WP50-12
- **EAN**: 4260030441327
- **MPN**: WP50-12
- **Price**: 142,39 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | WP Series |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 50 Ah |
| Length | 199 mm |
| Width | 166 mm |
| Height | 171 mm |
| Weight | 15.1 kg |

## Quick description

Long WP50-12: electric wheelchair battery with 12 V and 50 Ah, measuring 199 × 166 × 171 mm.

## Description

## The Long WP50-12 at a glance

The Long WP50-12 is made for powered wheelchairs. It is fitted as a 12 V pair and takes hundreds of daily cycles, something a starter battery could not handle.
The WP50-12 belongs to the Long WP Series range. [More Long batteries](https://bateriasonline.es/en/long-batteries)

## Inside the WP50-12: AGM technology

Inside, the WP50-12 has glass fibre separators (AGM) that hold the electrolyte. The WP50-12 needs a charger with an AGM mode that does not exceed 14.7 V.

## Long WP50-12 vs WP45-12 and WP45-12N: differences

The real differences between the WP50-12 and the closest Long models:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP50-12 (this one) | 50 Ah | 199 × 166 × 171 | 15.1 kg |
| Long WP45-12 | 45 Ah | 199 × 166 × 171 | 14.5 kg |
| Long WP45-12N | 45 Ah | 199 × 166 × 171 | 14.5 kg |

- Long WP45-12: 5 Ah less, the same dimensions.
- Long WP45-12N: 5 Ah less, the same dimensions.

## Equivalents and alternatives to the Long WP50-12

Other AGM batteries that fit the WP50-12's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| MK Battery ES50-12 | AGM | 50 Ah | 198.9 × 166.1 × 170.9 |
| MK Battery M50-12 SLD M | AGM | 50 Ah | 198.9 × 166.1 × 170.9 |
| Kronobat ES50-12 | AGM | 50 Ah | 198 × 166 × 171 |
| Q-Battery 12LCP-50 | AGM | 50 Ah | 198 × 166 × 171 |
| Long WP50-12N | AGM | 50 Ah | 199 × 166 × 171 |
| Long WP50-12NE | AGM | 50 Ah | 199 × 166 × 171 |

## Part numbers and codes for the Long WP50-12

This is how the Long WP50-12 appears on the label and in parts catalogues:

| Commercial reference | WP50-12 |
|---|---|
| EAN | 4260030441327 |
| Not to be confused with | Long WP5-12 (5 Ah), Long WP20-12 (20 Ah), Long WP40-12 (40 Ah) |

## What to look at before buying the WP50-12

- Capacity of the WP50-12: 50 Ah; the same as your current battery or slightly more is fine.
- Length, width and height of the WP50-12: 199 × 166 × 171 mm.

## Frequently asked questions about the Long WP50-12

### WP50-12 or WP45-12: which one suits me?

Compared with the WP50-12, the Long WP45-12 has 5 Ah less. With 50 Ah, the WP50-12 runs longer between charges than the WP45-12 (45 Ah). Both measure 199 × 166 × 171 mm, so they fit the same tray.

### How much does the Long WP50-12 weigh?

15.1 kg, with 50 Ah of capacity. For reference, the Long WP45-12 (45 Ah) weighs 14.5 kg.

### Which battery is equivalent to the Long WP50-12?

Only other AGM batteries with its dimensions and polarity: MK Battery ES50-12, MK Battery M50-12 SLD M and Kronobat ES50-12. Neither an EFB nor a conventional battery replaces the WP50-12.

## Other options if you are unsure about the WP50-12

- [More electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [More Long models](https://bateriasonline.es/en/long-batteries)
- [MK Battery ES50-12](https://bateriasonline.es/en/mk-battery-es50-12) · 50 Ah, 198.9×166.1×170.9 mm
- [MK Battery M50-12 SLD M](https://bateriasonline.es/en/mk-battery-m50-12-sld-m) · 50 Ah, 198.9×166.1×170.9 mm

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