# Ritar RA12-40B · Electric wheelchair battery 12V 42Ah

![Ritar RA12-40B · Electric wheelchair battery 12V 42Ah](https://bateriasonline.es/2947-home_default/ritar-ra12-40b.jpg)

> Ritar RA12-40B: 42 Ah electric wheelchair battery, 198×166×171 mm, AGM. Equivalent to Fullriver DCG40-12 and Long WP40-12.

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

- **Canonical URL**: https://bateriasonline.es/en/ritar-ra12-40b
- **Language**: en
- **Brand**: Ritar
- **Reference**: BOL-RITAR-RA12-40B
- **MPN**: RA12-40B
- **Price**: 138,98 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Ritar |
| Range | RITAR RA |
| Application | Electric wheelchairs |
| Technology | AGM |
| Voltage | 12 V |
| Capacity | 42 Ah |
| Length | 198 mm |
| Width | 166 mm |
| Height | 171 mm |
| Weight | 11.5 kg |
| Terminal type | M6 |

## Quick description

Ritar RA12-40B: electric wheelchair battery with 12 V and 42 Ah, measuring 198 × 166 × 171 mm.

## Description

## Where the Ritar RA12-40B fits

The Ritar RA12-40B is made for powered wheelchairs. The RA12-40B is fitted in pairs: two 12 V batteries in series give the chair's 24 V.
The RA12-40B belongs to the Ritar RITAR RA range. [The full range of Ritar batteries](https://bateriasonline.es/en/ritar-batteries)

## AGM technology in the RA12-40B

Inside, the RA12-40B has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

## Ritar RA12-40B vs RA12-33

The real differences between the RA12-40B and the closest Ritar models:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Ritar RA12-40B (this one) | 42 Ah | 198 × 166 × 171 | 11.5 kg |
| Ritar RA12-33 | 35 Ah | 195 × 130 × 180 | 9.6 kg |

- Ritar RA12-33: 7 Ah less, a different case (195 × 130 × 180 mm).

## Equivalents and alternatives to the Ritar RA12-40B

As the RA12-40B 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) |
|---|---|---|---|
| Fullriver DCG40-12 | AGM | 40 Ah | 198 × 166 × 171 |
| Long WP40-12 | AGM | 40 Ah | 197.7 × 166 × 171 |
| Long WP40-12N | AGM | 40 Ah | 197.7 × 166 × 171 |
| Long WP40-12E | AGM | 40 Ah | 197.7 × 166 × 171 |
| Long WP40-12NE | AGM | 40 Ah | 197.7 × 166 × 171 |
| Kronobat ES45-12 | AGM | 45 Ah | 198 × 166 × 171 |

## Ritar RA12-40B codes and part numbers

Shops, garages and catalogues identify the RA12-40B with these codes:

| Commercial reference | RA12-40B |
|---|---|
| Terminal type | M6 |

## What to look at before buying the RA12-40B

- Your current battery should say about 42 Ah; a little more is also fine.
- Measure the space: the RA12-40B takes up 198 × 166 × 171 mm.

## Frequently asked questions about the Ritar RA12-40B

### Ritar RA12-40B or RA12-33?

Compared with the RA12-40B, the Ritar RA12-33 has 7 Ah less. With 42 Ah, the RA12-40B runs longer between charges than the RA12-33 (35 Ah). Mind the space: the RA12-33 measures 195 × 130 × 180 mm.

### How much does the Ritar RA12-40B weigh?

The RA12-40B weighs 11.5 kg. For reference, the Ritar RA12-33 (35 Ah) weighs 9.6 kg.

### Which battery is equivalent to the Ritar RA12-40B?

Only other AGM batteries with its dimensions and polarity: Fullriver DCG40-12, Long WP40-12 and Long WP40-12N. Neither an EFB nor a conventional battery replaces the RA12-40B.

### Which charger does the Ritar RA12-40B 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 RA12-40B

- [More electric wheelchair batteries](https://bateriasonline.es/en/electric-wheelchair-batteries)
- [The whole Ritar range](https://bateriasonline.es/en/ritar-batteries)
- [Fullriver DCG40-12](https://bateriasonline.es/en/fullriver-dcg40-12) · 40 Ah, 198×166×171 mm
- [Long WP40-12](https://bateriasonline.es/en/long-wp40-12) · 40 Ah, 197.7×166×171 mm

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