# Long WP55-12N · Electric wheelchair battery 12V 55Ah

![Long WP55-12N · Electric wheelchair battery 12V 55Ah](https://bateriasonline.es/1024-home_default/long-wp55-12n.jpg)

> Long WP55-12N: 55 Ah electric wheelchair battery, 226×135×214 mm, AGM. Equivalent to Kronobat ES55-12 and MK Battery M55-12 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-wp55-12n
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-WP55-12N
- **MPN**: WP55-12N
- **Price**: 215,11 € (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 | 55 Ah |
| Length | 226 mm |
| Width | 135 mm |
| Height | 214 mm |
| Weight | 17.1 kg |

## Quick description

Long WP55-12N: electric wheelchair battery with 12 V and 55 Ah, measuring 226 × 135 × 214 mm.

## Description

## Who the Long WP55-12N is for

The Long WP55-12N 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 WP55-12N belongs to the Long WP Series range. [The full range of Long batteries](https://bateriasonline.es/en/long-batteries)

## AGM technology in the WP55-12N

Inside, the WP55-12N has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

## Long WP55-12N vs U1-36HE, WP55-12 and U1-36NE: differences

What sets the WP55-12N apart from its neighbours in the Long range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP55-12N (this one) | 55 Ah | 226 × 135 × 214 | 17.1 kg |
| Long U1-36HE | 36 Ah | 197 × 131 × 180 | 11 kg |
| Long WP55-12 | 55 Ah | 226 × 135 × 229 | 17.1 kg |
| Long U1-36NE | 36 Ah | 197 × 131 × 168 | 11 kg |

- Long U1-36HE: 19 Ah less, a different case (197 × 131 × 180 mm).
- Long WP55-12: the same capacity, a different height (229 mm instead of 214 mm). It only fits if there is room for 229 mm of height.
- Long U1-36NE: 19 Ah less, a different case (197 × 131 × 168 mm).

## Equivalents and alternatives to the Long WP55-12N

Other AGM batteries that fit the WP55-12N's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Kronobat ES55-12 | AGM | 55 Ah | 226 × 135 × 214 |
| MK Battery M55-12 SLD M | AGM | 55 Ah | 226 × 135 × 214 |
| Fullriver HC55 | AGM | 55 Ah | 229 × 138 × 212 |
| Long WP55-12NE | AGM | 55 Ah | 226 × 135 × 214 |
| Q-Battery 12LCP-56 | AGM | 56 Ah | 229 × 138 × 210 |

## Part numbers and codes for the Long WP55-12N

Shops, garages and catalogues identify the WP55-12N with these codes:

| Commercial reference | WP55-12N |
|---|---|
| Not to be confused with | Long WP45-12N (45 Ah), Long WP50-12N (50 Ah), Long WP65-12N (65 Ah) |

## Check this before ordering the Long WP55-12N

- Your current battery should say about 55 Ah; a little more is also fine.
- The WP55-12N needs 226 × 135 × 214 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Long WP55-12N

### WP55-12N or U1-36HE: which one suits me?

Compared with the WP55-12N, the Long U1-36HE has 19 Ah less. With 55 Ah, the WP55-12N runs longer between charges than the U1-36HE (36 Ah). Mind the space: the U1-36HE measures 197 × 131 × 180 mm.

### Long WP55-12N or WP55-12: what changes?

Mainly the height: the WP55-12N is 214 mm tall and the Long WP55-12 229 mm, with the same length and width and 55 Ah against 55 Ah. Before choosing between the WP55-12N and the WP55-12, measure the free height of the battery compartment with the cover or bonnet closed.

### How much does the Long WP55-12N weigh?

17.1 kg, with 55 Ah of capacity. For reference, the Long U1-36HE (36 Ah) weighs 11 kg.

### Which battery is equivalent to the Long WP55-12N?

Only other AGM batteries with its dimensions and polarity: Kronobat ES55-12, MK Battery M55-12 SLD M and Fullriver HC55. Neither an EFB nor a conventional battery replaces the WP55-12N.

### Do I have to replace both batteries at once?

Yes. Wheelchairs fit two batteries in series, and a new one next to a worn one becomes unbalanced and lasts much less.

## Keep comparing: alternatives to the WP55-12N

- [Other electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [The whole Long range](https://bateriasonline.es/en/long-batteries)
- [Kronobat ES55-12](https://bateriasonline.es/en/kronobat-es55-12) · 55 Ah, 226×135×214 mm
- [MK Battery M55-12 SLD M](https://bateriasonline.es/en/mk-battery-m55-12-sld-m) · 55 Ah, 226×135×214 mm

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