# Kronobat SD-45.0 · Car battery 12V 45Ah 400A

![Kronobat SD-45.0 · Car battery 12V 45Ah 400A](https://bateriasonline.es/2237-home_default/kronobat-sd-45-0.jpg)

> Kronobat SD-45.0: 45 Ah car battery, 400 A (EN), 207×175×190 mm, positive terminal on the right, L1 case. Equivalent to Exide EC440.

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

- **Canonical URL**: https://bateriasonline.es/en/kronobat-sd-45-0
- **Language**: en
- **Brand**: Kronobat
- **Reference**: BOL-KRONOBAT-SD-45.0
- **MPN**: SD-45.0
- **Price**: 34,69 € (VAT incl., Spain)
- **Last updated**: 2026-11-07

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Kronobat |
| Range | STANDARD |
| Application | Cars |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 45 Ah |
| Cold cranking amps (EN) | 400 A |
| Length | 207 mm |
| Width | 175 mm |
| Height | 190 mm |
| Weight | 11.7 kg |
| Polarity | Positive terminal on the right |
| Case size | L1 (207 × 175 × 190 mm) |

## Quick description

The Kronobat SD-45.0 is a car battery with 12 V, 45 Ah and 400 A cold cranking current, case size L1 (207 × 175 × 190 mm), with the positive terminal on the right. With the positive terminal on the left, the exact counterpart is the Kronobat SD-45.1.

## Description

## Where the Kronobat SD-45.0 fits

The Kronobat SD-45.0 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 SD-45.0 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 SD-45.0 belongs to the Kronobat STANDARD range. [See all Kronobat batteries](https://bateriasonline.es/en/kronobat-batteries)

## Kronobat SD-45.0 codes and part numbers

The SD-45.0 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | SD-45.0 |
|---|---|
| Case size (EN) | L1 |
| Not to be confused with | Kronobat SD-45.1 (45 Ah, 400 A, positive terminal on the left), Kronobat SD-45.0T (45 Ah, 300 A) |

## Kronobat SD-45.0 vs PB-52.0, SD-45.1 and PB-44.0B: which one to choose?

How the SD-45.0 compares with Kronobat batteries of similar size and capacity:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Kronobat SD-45.0 (this one) | 45 Ah | 400 A | 207 × 175 × 190 | right | 11.7 kg |
| Kronobat PB-52.0 | 52 Ah | 470 A | 207 × 175 × 190 | right | 12.7 kg |
| Kronobat SD-45.1 | 45 Ah | 400 A | 207 × 175 × 190 | left | 11.7 kg |
| Kronobat PB-44.0B | 44 Ah | 440 A | 207 × 175 × 175 | right | 11.5 kg |
| Kronobat MS-54.0 | 54 Ah | 530 A | 207 × 175 × 190 | right | 13.1 kg |

- Kronobat PB-52.0: 7 Ah more, 70 A more cranking power, the same L1 case.
- The Kronobat SD-45.1 is the same battery with the positive terminal on the other side: choose it if your current battery has the positive terminal on the left.
- Kronobat PB-44.0B: 1 Ah less, 40 A more cranking power, a different height (175 mm instead of 190 mm, LB1). It is the option if your battery tray cannot take the 190 mm height of the SD-45.0.
- Kronobat MS-54.0: 9 Ah more, 130 A more cranking power, the same L1 case.

## Equivalents and alternatives to the Kronobat SD-45.0

Same dimensions and polarity as the SD-45.0, with similar capacity and cranking power; as a conventional battery, the SD-45.0 can also be replaced by an EFB or AGM of the same size if you want more cycles.

| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Varta B19 | Lead-acid | 45 Ah | 400 A | 207 × 175 × 190 |
| Exide EC440 | Lead-acid | 44 Ah | 360 A | 207 × 175 × 190 |
| Tudor TC440 | Lead-acid | 44 Ah | 360 A | 207 × 175 × 190 |
| Fulmen FC440 | Lead-acid | 44 Ah | 360 A | 207 × 175 × 190 |
| Deta DC440 | Lead-acid | 44 Ah | 360 A | 207 × 175 × 190 |

## Lead-acid technology in the SD-45.0

The SD-45.0 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. Avoid leaving them discharged, as they sulphate, and charge them with a charger that cuts off or switches to maintenance when finished.

## Check this before ordering the Kronobat SD-45.0

- If your car has Start-Stop, the SD-45.0 is not the right one: it needs an EFB or an AGM.
- The SD-45.0 delivers 400 A cold cranking (EN standard); do not go below what your original battery states.
- Your current battery should say about 45 Ah; a little more is also fine.
- The SD-45.0 has the positive terminal on the right: compare it with your current battery.
- The SD-45.0 needs 207 × 175 × 190 mm of space (European case size L1): measure it with the hold-down clamp in place.

## Frequently asked questions about the Kronobat SD-45.0

### Kronobat SD-45.0 or PB-52.0?

Compared with the SD-45.0, the Kronobat PB-52.0 has 7 Ah more and 70 A more cranking power. If your current battery says 470 A or more, choose the PB-52.0; if it says 400 A or less, the SD-45.0 is enough. Both measure 207 × 175 × 190 mm, so they fit the same tray.

### What is the difference between the Kronobat SD-45.0 and the SD-45.1?

They are the same battery with the terminals swapped: positive terminal on the right on the SD-45.0, positive terminal on the left on the SD-45.1. Look at your current battery with the terminals facing you and pick the one that matches.

### Kronobat SD-45.0 or PB-44.0B: what changes?

Mainly the height: the SD-45.0 is 190 mm tall (L1) and the Kronobat PB-44.0B 175 mm (LB1), with the same length and width. In capacity and cranking power, the PB-44.0B offers 44 Ah and 440 A against 45 Ah and 400 A. Before choosing between the SD-45.0 and the PB-44.0B, measure the free height of the battery compartment with the cover or bonnet closed.

### Can the Kronobat SD-45.0 be used in a car with Start-Stop?

No. The SD-45.0 is a lead-acid battery for cars without automatic engine stop; Start-Stop needs an EFB or an AGM.

### How much does the Kronobat SD-45.0 weigh?

The SD-45.0 weighs 11.7 kg. For reference, the Kronobat PB-52.0 (52 Ah) weighs 12.7 kg.

### Which battery is equivalent to the Kronobat SD-45.0?

With the same dimensions, polarity and similar capacity you have the Varta B19, Exide EC440 and Tudor TC440. As the SD-45.0 is a conventional battery, an EFB or AGM of the same size also works.

### What case size is the Kronobat SD-45.0?

Case size L1: 207 × 175 × 190 mm. The SD-45.0 fits any standard L1 battery tray such as the Varta B19.

## Other options if you are unsure about the SD-45.0

- [All car batteries](https://bateriasonline.es/en/car-batteries)
- [Full Kronobat catalogue](https://bateriasonline.es/en/kronobat-batteries)
- [Exide EA530](https://bateriasonline.es/en/exide-ea530) · 53 Ah, 540 A, 207×175×190 mm

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