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

![Long WP50-12N · Electric wheelchair battery 12V 50Ah](https://bateriasonline.es/840-home_default/long-wp50-12n.jpg)

> Long WP50-12N: 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-wp50-12n
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WP50-12N
- **MPN**: WP50-12N
- **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 WP50-12N: electric wheelchair battery with 12 V and 50 Ah, measuring 199 × 166 × 171 mm.

## Description

## Who the Long WP50-12N is for

The Long WP50-12N is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. With 50 Ah per battery, the WP50-12N is designed for a full charge every night.
The WP50-12N belongs to the Long WP Series range. [See all Long batteries](https://bateriasonline.es/en/long-batteries)

## Equivalents and alternatives to the Long WP50-12N

As the WP50-12N is an AGM battery, we only list other AGM batteries with its dimensions and polarity: neither an EFB nor a conventional battery can replace it.

| 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 WP50-12 | AGM | 50 Ah | 199 × 166 × 171 |
| Long WP50-12NE | AGM | 50 Ah | 199 × 166 × 171 |

## Long WP50-12N vs WP45-12 and WP45-12N: which one to choose?

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

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP50-12N (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.

## AGM technology in the WP50-12N

The WP50-12N is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. Being sealed, the WP50-12N can be fitted in the boot or under a seat with no risk of spills.

## Before ordering the WP50-12N, check this

- The WP50-12N needs 199 × 166 × 171 mm of space: measure it with the hold-down clamp in place.
- With 50 Ah, the WP50-12N replaces an original battery of that capacity or slightly less.

## Long WP50-12N codes and part numbers

Look for any of these WP50-12N codes on your current battery or in the manufacturer's catalogue:

| Commercial reference | WP50-12N |
|---|---|
| Not to be confused with | Long WP20-12N (20 Ah), Long WP40-12N (40 Ah), Long WP55-12N (55 Ah) |

## Frequently asked questions about the Long WP50-12N

### Long WP50-12N or WP45-12?

Compared with the WP50-12N, the Long WP45-12 has 5 Ah less. With 50 Ah, the WP50-12N 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 WP50-12N weigh?

The WP50-12N weighs 15.1 kg. For reference, the Long WP45-12 (45 Ah) weighs 14.5 kg.

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

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 WP50-12N.

## Keep comparing: alternatives to the WP50-12N

- [Other 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*