Tudor
Tudor TK508 · Start-Stop battery 12V 50Ah 800A
Reference: BOL-TUDOR-TK508 · EAN 3661024056595
Tudor TK508: Start-Stop battery (AGM) with 12 V, 50 Ah and 800 A cold cranking current, measuring 260 × 173 × 206 mm.
Tudor TK508 · Start-Stop battery 12V 50Ah 800A images
- Voltage
- 12V
- Capacity
- 50Ah
- Cold cranking amps (EN)
- 800A
- Technology
- AGM
- Dimensions (L × W × H)
- 260 × 173 × 206 mm
Price:
€139.47
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For Spain, Portugal, France, Germany, Italy, Belgium and the Netherlands you see the exact cost before paying. For the rest of Europe we send you a shipping quote, with no obligation.
14 days to return your order
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.
Who the Tudor TK508 is for
The Tudor TK508 is a battery for cars with Start-Stop: it withstands many more starting and partial-discharge cycles than a conventional battery and powers the electronics every time the engine stops at the lights. It takes repeated discharges without losing capacity the way a conventional battery would.
At 50 Ah it covers petrol compacts and small diesels, the best-selling format in Europe. The TK508 belongs to the Tudor TUDOR AGM range. More Tudor batteries
Part numbers and codes for the Tudor TK508
The TK508 is listed under these codes on labels, in garages and in catalogues:
| Commercial reference | TK508 |
|---|---|
| EAN | 3661024056595 |
| Not to be confused with | Tudor TK500 (50 Ah, 570 A, positive terminal on the right) |
Tudor TK508 vs TK620: differences
What sets the TK508 apart from its neighbours in the Tudor range:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Weight |
|---|---|---|---|---|
| Tudor TK508 (this one) | 50 Ah | 800 A | 260 × 173 × 206 | 17.5 kg |
| Tudor TK620 | 62 Ah | 680 A | 242 × 175 × 190 | 17.9 kg |
- Tudor TK620: 12 Ah more, 120 A less cranking power, a different case (242 × 175 × 190 mm).
Equivalents and alternatives to the Tudor TK508
Other AGM batteries that fit the TK508's tray with the same polarity: an AGM can only be replaced by another AGM.
| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Exide EK508 | AGM | 50 Ah | 800 A | 260 × 173 × 206 |
| Fulmen FK508 | AGM | 50 Ah | 800 A | 260 × 173 × 206 |
| Deta DK508 | AGM | 50 Ah | 800 A | 260 × 173 × 206 |
AGM technology in the TK508
The TK508 is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.
What to look at before buying the TK508
- The TK508 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.
- The TK508 delivers 800 A cold cranking (EN standard); do not go below what your original battery states.
- Capacity of the TK508: 50 Ah; the same as your current battery or slightly more is fine.
- Length, width and height of the TK508: 260 × 173 × 206 mm.
Frequently asked questions about the Tudor TK508
TK508 or TK620: which one suits me?
Compared with the TK508, the Tudor TK620 has 12 Ah more and 120 A less cranking power. The TK508 cranks harder; the TK620 is only a good option if your original battery says 680 A or less. Mind the space: the TK620 measures 242 × 175 × 190 mm.
Can the Tudor TK508 be used in a car with Start-Stop?
Yes. As an AGM battery, the TK508 handles automatic engine stop and brake energy recovery, and it can replace an EFB of the same size.
How much does the Tudor TK508 weigh?
17.5 kg, with 50 Ah of capacity. For reference, the Tudor TK620 (62 Ah) weighs 17.9 kg.
Which battery is equivalent to the Tudor TK508?
Only other AGM batteries with its dimensions and polarity: Exide EK508, Fulmen FK508 and Deta DK508. Neither an EFB nor a conventional battery replaces the TK508.
Why does a Start-Stop battery cost more than a standard one?
Because it uses reinforced plates and separators to withstand thousands of starts and partial discharges. A conventional battery in a Start-Stop car can fail in under a year.
Other options if you are unsure about the TK508
- Other start-Stop batteries (AGM and EFB)
- More Tudor models
- Exide EK508 · 50 Ah, 800 A, 260×173×206 mm
- Fulmen FK508 · 50 Ah, 800 A, 260×173×206 mm
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