# Kronobat SD-90.0 · Car battery 12V 90Ah 720A

![Kronobat SD-90.0 · Car battery 12V 90Ah 720A](https://bateriasonline.es/2284-home_default/kronobat-sd-90-0.jpg)

> Kronobat SD-90.0: 90 Ah car battery, 720 A (EN), 353×175×190 mm, positive terminal on the right, L5 case. Equivalent to Exide EC900.

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

- **Canonical URL**: https://bateriasonline.es/en/kronobat-sd-90-0
- **Language**: en
- **Brand**: Kronobat
- **Reference**: BOL-KRONOBAT-SD-90.0
- **MPN**: SD-90.0
- **Price**: 76,24 € (VAT incl., Spain)
- **Last updated**: 2026-11-06

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Kronobat |
| Range | STANDARD |
| Application | Cars |
| Technology | Lead-acid |
| Voltage | 12 V |
| Capacity | 90 Ah |
| Cold cranking amps (EN) | 720 A |
| Length | 353 mm |
| Width | 175 mm |
| Height | 190 mm |
| Weight | 21.1 kg |
| Polarity | Positive terminal on the right |
| Case size | L5 (353 × 175 × 190 mm) |

## Quick description

Kronobat SD-90.0: car battery with 12 V, 90 Ah and 720 A cold cranking current, case size L5 (353 × 175 × 190 mm), with the positive terminal on the right.

## Description

## Who the Kronobat SD-90.0 is for

The Kronobat SD-90.0 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. Its job is to start the engine in the cold with margin to spare and keep the car's electronics powered.
At 90 Ah it moves into large diesels, SUVs, vans and cars with heavy electrical equipment. The SD-90.0 belongs to the Kronobat STANDARD range. [More Kronobat batteries](https://bateriasonline.es/en/kronobat-batteries)

## Kronobat SD-90.0 codes and part numbers

The SD-90.0 is listed under these codes on labels, in garages and in catalogues:

| Commercial reference | SD-90.0 |
|---|---|
| Case size (EN) | L5 |
| Not to be confused with | Kronobat SD-70.0 (70 Ah, 640 A) |

## Kronobat SD-90.0 vs PB-95.0, SD-88.0B and PE-95-EFB: which one to choose?

What sets the SD-90.0 apart from its neighbours in the Kronobat range:

| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Kronobat SD-90.0 (this one) | 90 Ah | 720 A | 353 × 175 × 190 | right | 21.1 kg |
| Kronobat PB-95.0 | 95 Ah | 800 A | 353 × 175 × 190 | right | 21.9 kg |
| Kronobat SD-88.0B | 88 Ah | 740 A | 353 × 175 × 175 | right | 20.6 kg |
| Kronobat PE-95-EFB | 95 Ah | 850 A | 353 × 175 × 190 | right | 24.49 kg |

- Kronobat PB-95.0: 5 Ah more, 80 A more cranking power, the same L5 case.
- Kronobat SD-88.0B: 2 Ah less, 20 A more cranking power, a different height (175 mm instead of 190 mm, LB5). It is the option if your battery tray cannot take the 190 mm height of the SD-90.0.
- Kronobat PE-95-EFB: 5 Ah more, 130 A more cranking power, the same L5 case, EFB technology.

## Equivalents and alternatives to the Kronobat SD-90.0

Same dimensions and polarity as the SD-90.0, with similar capacity and cranking power; as a conventional battery, the SD-90.0 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) |
|---|---|---|---|---|
| Exide EC900 | Lead-acid | 90 Ah | 720 A | 353 × 175 × 190 |
| Varta F6 | Lead-acid | 90 Ah | 720 A | 353 × 175 × 190 |
| Tudor TC900 | Lead-acid | 90 Ah | 720 A | 353 × 175 × 190 |
| Fulmen FC900 | Lead-acid | 90 Ah | 720 A | 353 × 175 × 190 |
| Deta DC900 | Lead-acid | 90 Ah | 720 A | 353 × 175 × 190 |
| Exide EB950 | Lead-acid | 95 Ah | 800 A | 353 × 175 × 190 |

## What it means that the SD-90.0 is lead-acid

The SD-90.0 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.

## What to look at before buying the SD-90.0

- If your car has Start-Stop, the SD-90.0 is not the right one: it needs an EFB or an AGM.
- The SD-90.0 delivers 720 A cold cranking (EN standard); do not go below what your original battery states.
- With 90 Ah, the SD-90.0 replaces an original battery of that capacity or slightly less.
- The SD-90.0 has the positive terminal on the right: compare it with your current battery.
- Length, width and height of the SD-90.0: 353 × 175 × 190 mm (European case size L5).

## Frequently asked questions about the Kronobat SD-90.0

### Kronobat SD-90.0 or PB-95.0?

Compared with the SD-90.0, the Kronobat PB-95.0 has 5 Ah more and 80 A more cranking power. If your current battery says 800 A or more, choose the PB-95.0; if it says 720 A or less, the SD-90.0 is enough. Both measure 353 × 175 × 190 mm, so they fit the same tray.

### Kronobat SD-90.0 or SD-88.0B: what changes?

Mainly the height: the SD-90.0 is 190 mm tall (L5) and the Kronobat SD-88.0B 175 mm (LB5), with the same length and width. In capacity and cranking power, the SD-88.0B offers 88 Ah and 740 A against 90 Ah and 720 A. Before choosing between the SD-90.0 and the SD-88.0B, measure the free height of the battery compartment with the cover or bonnet closed.

### Can the Kronobat SD-90.0 be used in a car with Start-Stop?

No. The SD-90.0 is a lead-acid battery for cars without automatic engine stop; Start-Stop needs an EFB or an AGM; in this same size there is the Kronobat PE-95-EFB.

### How much does the Kronobat SD-90.0 weigh?

The SD-90.0 weighs 21.1 kg. For reference, the Kronobat PB-95.0 (95 Ah) weighs 21.9 kg.

### Which battery is equivalent to the Kronobat SD-90.0?

With the same dimensions, polarity and similar capacity you have the Exide EC900, Varta F6 and Tudor TC900. As the SD-90.0 is a conventional battery, an EFB or AGM of the same size also works.

### What case size is the Kronobat SD-90.0?

Case size L5: 353 × 175 × 190 mm. The SD-90.0 fits any standard L5 battery tray such as the Exide EC900.

### Which side is the positive terminal on the Kronobat SD-90.0?

The SD-90.0 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.

## Other options if you are unsure about the SD-90.0

- [Other car batteries](https://bateriasonline.es/en/car-batteries)
- [Full Kronobat catalogue](https://bateriasonline.es/en/kronobat-batteries)
- [Exide EC900](https://bateriasonline.es/en/exide-ec900) · 90 Ah, 720 A, 353×175×190 mm
- [Varta F6](https://bateriasonline.es/en/varta-f6) · 90 Ah, 720 A, 353×175×190 mm

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