Exide EK457 · Auxiliary battery 12V 45Ah 380A
Reference: BOL-EXIDE-EK457 · EAN 3661024038089
Exide EK457: auxiliary battery (AGM) with 12 V, 45 Ah and 380 A cold cranking current, case size B24 (237 × 127 × 227 mm), with the positive terminal on the left. With the positive terminal on the right, the exact counterpart is the Exide EK454.
- Voltage
- 12V
- Capacity
- 45Ah
- Cold cranking amps (EN)
- 380A
- Technology
- AGM
- Dimensions (L × W × H)
- 237 × 127 × 227 mm
- Polarity
- Positive terminal on the left
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If it does not fit, you have 14 days from delivery to return it unused.
Does it fit your vehicle? Check by number plate or VIN
Enter your number plate or chassis number (VIN): we check whether this battery is compatible with your vehicle.
The Exide EK457 at a glance
The Exide EK457 is the second battery fitted in many modern cars. Without it, Start-Stop or back-up warnings appear on the dashboard.
The EK457 belongs to the Exide EXIDE AGM range. See all Exide batteries
What it means that the EK457 is AGM
Inside, the EK457 has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.
Exide EK457 vs EK454: differences
The real differences between the EK457 and the closest Exide models:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Exide EK457 (this one) | 45 Ah | 380 A | 237 × 127 × 227 | left | 13.5 kg |
| Exide EK454 | 45 Ah | 380 A | 237 × 127 × 227 | right | 13.5 kg |
- If the positive terminal of your battery is on the other side, the one you need is the Exide EK454 (positive terminal on the right).
Equivalents and alternatives to the Exide EK457
Other AGM batteries that fit the EK457's tray with the same polarity: an AGM can only be replaced by another AGM.
| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Tudor TK457 | AGM | 45 Ah | 380 A | 237 × 127 × 227 |
Part numbers and codes for the Exide EK457
Shops, garages and catalogues identify the EK457 with these codes:
| Commercial reference | EK457 |
|---|---|
| EAN | 3661024038089 |
| Case size (EN) | B24 |
| Terminal type | /eu/sites/default/files/sharepoint/ROZaV1bm9ZUA9adtg0inxHSTW3kqnm_ZoI9oz2BNXSs-large.png?itoktzHlGQUr |
| Not to be confused with | Exide EB457 (45 Ah, 330 A), Exide EK454 (45 Ah, 380 A, positive terminal on the right) |
Check this before ordering the Exide EK457
- Check the EN amps on your battery: if it says 380 A or less, the EK457 covers your engine.
- Capacity of the EK457: 45 Ah; the same as your current battery or slightly more is fine.
- With the terminals facing you, the positive terminal of the EK457 is on the left.
- Length, width and height of the EK457: 237 × 127 × 227 mm (European case size B24).
Frequently asked questions about the Exide EK457
Exide EK457 or EK454: what is the difference?
Only the polarity: the EK457 has the positive terminal on the left and the EK454 the positive terminal on the right. Capacity (45 Ah), cranking power and dimensions are identical.
How much does the Exide EK457 weigh?
13.5 kg, with 45 Ah of capacity.
Which battery is equivalent to the Exide EK457?
Only other AGM batteries with its dimensions and polarity: Tudor TK457. Neither an EFB nor a conventional battery replaces the EK457.
What case size is the Exide EK457?
Case size B24: 237 × 127 × 227 mm. The EK457 fits any standard B24 battery tray such as the Tudor TK457.
What is the cold cranking current of the Exide EK457?
380 A to the EN standard, with 45 Ah capacity.
Is the auxiliary battery replaced together with the main one?
Not necessarily, but they usually age together. If the main battery is over five years old, check the auxiliary one too.
Keep comparing: alternatives to the EK457
- More auxiliary batteries (back-up and in-vehicle service)
- Full Exide catalogue
- Exide EK500 · 50 Ah, 570 A, 207×175×190 mm
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