# Deka DC31DT · Electric wheelchair battery 12V 105Ah

![Deka DC31DT · Electric wheelchair battery 12V 105Ah](https://bateriasonline.es/3837-home_default/deka-dc31dt.jpg)

> Deka DC31DT: 105 Ah electric wheelchair battery, 330.2×171.5×241.3 mm. Equivalent to MK Battery 8A31DT. Ask for a no-obligation quote.

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

- **Canonical URL**: https://bateriasonline.es/en/deka-dc31dt
- **Language**: en
- **Brand**: Deka
- **Reference**: BOL-DEKA-DC31DT
- **MPN**: DC31DT
- **Last updated**: 2026-11-07

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Deka |
| Range | DEKA LEAD-ACID |
| Application | Electric wheelchairs |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 105 Ah |
| Length | 330.2 mm |
| Width | 171.5 mm |
| Height | 241.3 mm |
| Weight | 27.22 kg |

## Quick description

Deka DC31DT: electric wheelchair battery with 12 V and 105 Ah, measuring 330.2 × 171.5 × 241.3 mm.

## Description

## The Deka DC31DT at a glance

The Deka DC31DT 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 DC31DT belongs to the Deka DEKA LEAD-ACID range. [More Deka batteries](https://bateriasonline.es/en/deka-batteries)

## Equivalents and alternatives to the Deka DC31DT

Batteries that fit the DC31DT's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the DC31DT.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| MK Battery 8A31DT | AGM | 105 Ah | 328.4 × 171.2 × 238.8 |

## Deka DC31DT vs DC27 and 8A27

What sets the DC31DT apart from its neighbours in the Deka range:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Deka DC31DT (this one) | 105 Ah | 330.2 × 171.5 × 241.3 | 27.22 kg |
| Deka DC27 | 90 Ah | 317.5 × 171.5 × 238.3 | 24.27 kg |
| Deka 8A27 | 92 Ah | 325.9 × 166.6 × 236.2 | 27.9 kg |

- Deka DC27: 15 Ah less, a different case (317.5 × 171.5 × 238.3 mm).
- Deka 8A27: 13 Ah less, a different case (325.9 × 166.6 × 236.2 mm), AGM technology.

## What it means that the DC31DT is lead-acid

Inside, the DC31DT is classic lead-acid: liquid electrolyte and lead plates. It is a robust, well-known technology with a good capacity-to-price ratio, and still the basis of most cars, trucks and traction equipment.

## Before ordering the DC31DT, check this

- The DC31DT needs 330.2 × 171.5 × 241.3 mm of space: measure it with the hold-down clamp in place.
- With 105 Ah, the DC31DT replaces an original battery of that capacity or slightly less.

## Frequently asked questions about the Deka DC31DT

### DC31DT or DC27: which one suits me?

Compared with the DC31DT, the Deka DC27 has 15 Ah less. With 105 Ah, the DC31DT runs longer between charges than the DC27 (90 Ah). Mind the space: the DC27 measures 317.5 × 171.5 × 238.3 mm.

### How much does the Deka DC31DT weigh?

27.22 kg, with 105 Ah of capacity. For reference, the Deka DC27 (90 Ah) weighs 24.27 kg.

### Which battery is equivalent to the Deka DC31DT?

With the same dimensions, polarity and similar capacity you have the MK Battery 8A31DT. As the DC31DT is a conventional battery, an EFB or AGM of the same size also works.

### Which charger does the Deka DC31DT need?

An automatic lead-acid charger with cut-off or maintenance mode, rated at 10 to 20% of its capacity in amps. If it is a vented type, check the electrolyte level and top up only with distilled water.

## More batteries to compare with the DC31DT

- [More electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [The whole Deka range](https://bateriasonline.es/en/deka-batteries)
- [Deka 9C12](https://bateriasonline.es/en/deka-9c12) · 228 Ah, 393.7×177.8×362 mm
- [Deka DC24](https://bateriasonline.es/en/deka-dc24) · 75 Ah, 273.1×171.5×238.3 mm

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