# Fullriver DCG51-12 · Electric wheelchair battery 12V 51Ah

![Fullriver DCG51-12 · Electric wheelchair battery 12V 51Ah](https://bateriasonline.es/2051-home_default/fullriver-dcg51-12.jpg)

> Fullriver DCG51-12: 51 Ah electric wheelchair battery, 229×138×212 mm, AGM. Equivalent to MK Battery M22NF-HC.

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

- **Canonical URL**: https://bateriasonline.es/en/fullriver-dcg51-12
- **Language**: en
- **Brand**: Fullriver
- **Reference**: BOL-FULLRIVER-DCG51-12
- **MPN**: DCG51-12
- **Price**: 234,61 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Fullriver |
| Range | DCG Series |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 51 Ah |
| Length | 229 mm |
| Width | 138 mm |
| Height | 212 mm |
| Weight | 17.1 kg |
| Terminal type | M6 |

## Quick description

Fullriver DCG51-12: electric wheelchair battery with 12 V and 51 Ah, measuring 229 × 138 × 212 mm.

## Description

## Who the Fullriver DCG51-12 is for

The Fullriver DCG51-12 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 DCG51-12 belongs to the Fullriver DCG Series range. [More Fullriver batteries](https://bateriasonline.es/en/fullriver-batteries)

## What it means that the DCG51-12 is AGM

Inside, the DCG51-12 has glass fibre separators (AGM) that hold the electrolyte. The DCG51-12 needs a charger with an AGM mode that does not exceed 14.7 V.

## Fullriver DCG51-12 vs HC55 and HC64X

What sets the DCG51-12 apart from its neighbours in the Fullriver range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Fullriver DCG51-12 (this one) | 51 Ah | 229 × 138 × 212 | 17.1 kg |
| Fullriver HC55 | 55 Ah | 229 × 138 × 212 | 3.3 kg |
| Fullriver HC64X | 64 Ah | 240.3 × 168.7 × 220 | 22.3 kg |

- Fullriver HC55: 4 Ah more, the same dimensions.
- Fullriver HC64X: 13 Ah more, a different case (240.3 × 168.7 × 220 mm).

## Equivalents and alternatives to the Fullriver DCG51-12

As the DCG51-12 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 M22NF-HC | AGM | 48.4 Ah | 228.3 × 138.9 × 210.1 |

## Fullriver DCG51-12 codes and part numbers

This is how the Fullriver DCG51-12 appears on the label and in parts catalogues:

| Commercial reference | DCG51-12 |
|---|---|
| Terminal type | M6 |
| Not to be confused with | Fullriver DCG50-12 (50 Ah), Fullriver DCG55-12 (55 Ah), Fullriver DCG56-12 (56 Ah) |

## Before ordering the DCG51-12, check this

- Your current battery should say about 51 Ah; a little more is also fine.
- The DCG51-12 needs 229 × 138 × 212 mm of space: measure it with the hold-down clamp in place.

## Frequently asked questions about the Fullriver DCG51-12

### Fullriver DCG51-12 or HC55?

Compared with the DCG51-12, the Fullriver HC55 has 4 Ah more. With 55 Ah, the HC55 runs longer between charges than the DCG51-12 (51 Ah). Both measure 229 × 138 × 212 mm, so they fit the same tray.

### How much does the Fullriver DCG51-12 weigh?

The DCG51-12 weighs 17.1 kg. For reference, the Fullriver HC55 (55 Ah) weighs 3.3 kg.

### Which battery is equivalent to the Fullriver DCG51-12?

Only other AGM batteries with its dimensions and polarity: MK Battery M22NF-HC. Neither an EFB nor a conventional battery replaces the DCG51-12.

## Keep comparing: alternatives to the DCG51-12

- [All electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [More Fullriver models](https://bateriasonline.es/en/fullriver-batteries)
- [MK Battery M22NF-HC](https://bateriasonline.es/en/mk-battery-m22nf-hc) · 48.4 Ah, 228.3×138.9×210.1 mm

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