Exide

Exide EK508 · Start-Stop battery 12V 50Ah 800A

Reference: BOL-EXIDE-EK508 · EAN 3661024036481

Exide EK508: Start-Stop battery (AGM) with 12 V, 50 Ah and 800 A cold cranking current, measuring 260 × 173 × 206 mm.

Voltage
12V
Capacity
50Ah
Cold cranking amps (EN)
800A
Technology
AGM
Dimensions (L × W × H)
260 × 173 × 206 mm
Price: €137.41
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VAT included. The exact shipping cost is shown in the cart before you pay.

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The Exide EK508 at a glance

The Exide EK508 is designed for automatic engine stop and regenerative braking. In a Start-Stop car, the EK508 keeps the radio, climate control and lights running with the engine off without losing capacity.

At 50 Ah it covers petrol compacts and small diesels, the best-selling format in Europe. The EK508 belongs to the Exide EXIDE AGM range. The full range of Exide batteries

Exide EK508 vs EK620: which one to choose?

The real differences between the EK508 and the closest Exide models:

ModelCapacityCold cranking (EN)Dimensions (mm)Weight
Exide EK508 (this one)50 Ah800 A260 × 173 × 20617.5 kg
Exide EK62062 Ah680 A242 × 175 × 19017.9 kg
  • Exide EK620: 12 Ah more, 120 A less cranking power, a different case (242 × 175 × 190 mm).

Part numbers and codes for the Exide EK508

Shops, garages and catalogues identify the EK508 with these codes:

Commercial referenceEK508
EAN3661024036481
Not to be confused withExide EK500 (50 Ah, 570 A, positive terminal on the right)

Equivalents and alternatives to the Exide EK508

Other AGM batteries that fit the EK508's tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityCold cranking (EN)Dimensions (mm)
Tudor TK508AGM50 Ah800 A260 × 173 × 206
Fulmen FK508AGM50 Ah800 A260 × 173 × 206
Deta DK508AGM50 Ah800 A260 × 173 × 206

Check this before ordering the Exide EK508

  • The EK508 needs 260 × 173 × 206 mm of space: measure it with the hold-down clamp in place.
  • Your current battery should say about 50 Ah; a little more is also fine.
  • Cold cranking: 800 A (EN), equal to or higher than the original.
  • The EK508 is AGM: it replaces an AGM or an EFB of the same size. You can swap an EFB for an AGM, but not an AGM for an EFB.

What it means that the EK508 is AGM

Inside, the EK508 has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

Frequently asked questions about the Exide EK508

EK508 or EK620: which one suits me?

Compared with the EK508, the Exide EK620 has 12 Ah more and 120 A less cranking power. The EK508 cranks harder; the EK620 is only a good option if your original battery says 680 A or less. Mind the space: the EK620 measures 242 × 175 × 190 mm.

Can the Exide EK508 be used in a car with Start-Stop?

Yes. As an AGM battery, the EK508 handles automatic engine stop and brake energy recovery, and it can replace an EFB of the same size.

How much does the Exide EK508 weigh?

17.5 kg, with 50 Ah of capacity. For reference, the Exide EK620 (62 Ah) weighs 17.9 kg.

Which battery is equivalent to the Exide EK508?

Only other AGM batteries with its dimensions and polarity: Tudor TK508, Fulmen FK508 and Deta DK508. Neither an EFB nor a conventional battery replaces the EK508.

Can I fit the Exide EK508 if my car came with an AGM battery?

Only if the EK508 is AGM. A car that leaves the factory with AGM must always run AGM; an EFB in its place will not last and may trigger dashboard warnings.

Other options if you are unsure about the EK508

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