# Fullriver DCG77-12 · Electric wheelchair battery 12V 77Ah

![Fullriver DCG77-12 · Electric wheelchair battery 12V 77Ah](https://bateriasonline.es/2088-home_default/fullriver-dcg77-12.jpg)

> Fullriver DCG77-12: 77 Ah electric wheelchair battery, 260×169×215 mm, AGM. VAT included and shipping cost shown before you pay.

**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-dcg77-12
- **Language**: en
- **Brand**: Fullriver
- **Reference**: BOL-FULLRIVER-DCG77-12
- **MPN**: DCG77-12
- **Price**: 304,00 € (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 | 77 Ah |
| Length | 260 mm |
| Width | 169 mm |
| Height | 215 mm |
| Weight | 24.2 kg |
| Terminal type | M6 |

## Quick description

The Fullriver DCG77-12 is an electric wheelchair battery with 12 V and 77 Ah, measuring 260 × 169 × 215 mm.

## Description

## Where the Fullriver DCG77-12 fits

The Fullriver DCG77-12 is a deep-cycle battery for electric wheelchairs: sealed, maintenance-free and built to discharge and recharge every day without losing capacity. It is fitted as a 12 V pair and takes hundreds of daily cycles, something a starter battery could not handle.
The DCG77-12 belongs to the Fullriver DCG Series range. [More Fullriver batteries](https://bateriasonline.es/en/fullriver-batteries)

## Equivalents and alternatives to the Fullriver DCG77-12

We have no other battery with exactly the dimensions and polarity of the DCG77-12. Browse the rest of our [electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries) to compare close options.

## Fullriver DCG77-12 vs DCG65-12 and HC65/ST: which one to choose?

How the DCG77-12 compares with Fullriver batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Fullriver DCG77-12 (this one) | 77 Ah | 260 × 169 × 215 | 24.2 kg |
| Fullriver DCG65-12 | 65 Ah | 256 × 170 × 210 | 21.9 kg |
| Fullriver HC65/ST | 65 Ah | 261 × 171.5 × 204 | 11.5 kg |

- Fullriver DCG65-12: 12 Ah less, a different case (256 × 170 × 210 mm).
- Fullriver HC65/ST: 12 Ah less, a different case (261 × 171.5 × 204 mm).

## What it means that the DCG77-12 is AGM

The DCG77-12 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

## Check this before ordering the Fullriver DCG77-12

- Length, width and height of the DCG77-12: 260 × 169 × 215 mm.
- Your current battery should say about 77 Ah; a little more is also fine.

## Part numbers and codes for the Fullriver DCG77-12

The DCG77-12 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | DCG77-12 |
|---|---|
| Terminal type | M6 |
| Not to be confused with | Fullriver DCG75-12 (75 Ah), Fullriver DCG79-12 (79 Ah) |

## Frequently asked questions about the Fullriver DCG77-12

### DCG77-12 or DCG65-12: which one suits me?

Compared with the DCG77-12, the Fullriver DCG65-12 has 12 Ah less. With 77 Ah, the DCG77-12 runs longer between charges than the DCG65-12 (65 Ah). Mind the space: the DCG65-12 measures 256 × 170 × 210 mm.

### How much does the Fullriver DCG77-12 weigh?

24.2 kg, with 77 Ah of capacity. For reference, the Fullriver DCG65-12 (65 Ah) weighs 21.9 kg.

### Which charger does the Fullriver DCG77-12 need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

## Other options if you are unsure about the DCG77-12

- [Other electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [More Fullriver models](https://bateriasonline.es/en/fullriver-batteries)

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