# Long 46B24R(S) · Car battery 12V 45Ah

![Long 46B24R(S) · Car battery 12V 45Ah](https://bateriasonline.es/933-home_default/long-46b24r-s.jpg)

> Long 46B24R(S): 45 Ah car battery, 238×129×227 mm, B24 case. Equivalent to Varta B31 and Varta B32. Ask for a no-obligation quote.

**Category:** [Car batteries](https://bateriasonline.es/en/car-batteries) → [Long](https://bateriasonline.es/en/long-batteries)

- **Canonical URL**: https://bateriasonline.es/en/long-46b24r-s
- **Language**: en
- **Brand**: Long
- **Reference**: BOL-LONG-46B24R(S)
- **MPN**: 46B24R(S)
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Long |
| Range | Starting Series |
| Application | Cars |
| Voltage | 12 V |
| Capacity | 45 Ah |
| Length | 238 mm |
| Width | 129 mm |
| Height | 227 mm |
| Weight | 8.98 kg |
| Case size | B24 (238 × 129 × 227 mm) |

## Quick description

The Long 46B24R(S) is a car battery with 12 V and 45 Ah, case size B24 (238 × 129 × 227 mm).

## Description

## Where the Long 46B24R(S) fits

The Long 46B24R(S) is a starter battery for cars without Start-Stop: it delivers the current the starter motor needs and then powers lights, control units and audio with the engine off. If your car has no Start-Stop and had a 45 Ah battery, the 46B24R(S) is a direct replacement.
At 45 Ah it is a small size: the usual choice for petrol superminis and city cars with little equipment. The 46B24R(S) belongs to the Long Starting Series range. [More Long batteries](https://bateriasonline.es/en/long-batteries)

## Long 46B24R(S) vs 36B20L and 36B20R: differences

How the 46B24R(S) compares with Long batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long 46B24R(S) (this one) | 45 Ah | 238 × 129 × 227 | 8.98 kg |
| Long 36B20L | 40 Ah | 197 × 129 × 227 | 7.8 kg |
| Long 36B20R | 40 Ah | 197 × 129 × 227 | 7.8 kg |

- Long 36B20L: 5 Ah less, a different case (197 × 129 × 227 mm).
- Long 36B20R: 5 Ah less, a different case (197 × 129 × 227 mm).

## Long 46B24R(S) codes and part numbers

The 46B24R(S) is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | 46B24R(S) |
|---|---|
| Case size (EN) | B24 |
| Not to be confused with | Long 46B24R (45 Ah) |

## Equivalents and alternatives to the Long 46B24R(S)

These batteries share voltage, dimensions and polarity with the 46B24R(S), with similar capacity: compare cranking power, technology and price before deciding.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Varta B31 | Lead-acid | 45 Ah | 238 × 129 × 227 |
| Varta B32 | Lead-acid | 45 Ah | 238 × 129 × 227 |
| Varta B33 | Lead-acid | 45 Ah | 238 × 129 × 227 |
| Varta B34 | Lead-acid | 45 Ah | 238 × 129 × 227 |
| Kronobat PB-45.0F | Lead-acid | 45 Ah | 238 × 129 × 227 |
| Kronobat PB-45.0T | Lead-acid | 45 Ah | 238 × 129 × 227 |

## Check this before ordering the Long 46B24R(S)

- Measure the space: the 46B24R(S) takes up 238 × 129 × 227 mm (European case size B24).
- Your current battery should say about 45 Ah; a little more is also fine.

## Frequently asked questions about the Long 46B24R(S)

### Long 46B24R(S) or 36B20L?

Compared with the 46B24R(S), the Long 36B20L has 5 Ah less. With 45 Ah, the 46B24R(S) runs longer between charges than the 36B20L (40 Ah). Mind the space: the 36B20L measures 197 × 129 × 227 mm.

### How much does the Long 46B24R(S) weigh?

The 46B24R(S) weighs 8.98 kg. For reference, the Long 36B20L (40 Ah) weighs 7.8 kg.

### Which battery is equivalent to the Long 46B24R(S)?

With the same dimensions and polarity as the 46B24R(S) you have the Varta B31, Varta B32 and Varta B33; choose by cold cranking power, technology and price.

### What case size is the Long 46B24R(S)?

Case size B24: 238 × 129 × 227 mm. The 46B24R(S) fits any standard B24 battery tray such as the Varta B31.

## Other options if you are unsure about the 46B24R(S)

- [More car batteries](https://bateriasonline.es/en/car-batteries)
- [Full Long catalogue](https://bateriasonline.es/en/long-batteries)
- [Varta B31](https://bateriasonline.es/en/varta-b31) · 45 Ah, 330 A, 238×129×227 mm
- [Varta B32](https://bateriasonline.es/en/varta-b32) · 45 Ah, 330 A, 238×129×227 mm

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