Tudor
Tudor TK820 · Start-Stop battery 12V 82Ah 800A
Reference: BOL-TUDOR-TK820 · EAN 3661024057646
Tudor TK820: Start-Stop battery (AGM) with 12 V, 82 Ah and 800 A cold cranking current, case size L4 (315 × 175 × 190 mm), with the positive terminal on the right.
Tudor TK820 · Start-Stop battery 12V 82Ah 800A images
- Voltage
- 12V
- Capacity
- 82Ah
- Cold cranking amps (EN)
- 800A
- Technology
- AGM
- Dimensions (L × W × H)
- 315 × 175 × 190 mm
- Polarity
- Positive terminal on the right
Price:
€118.55
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VAT included. The exact shipping cost is shown in the cart before you pay.
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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 TK820 is for
The Tudor TK820 is designed for automatic engine stop and regenerative braking. It takes repeated discharges without losing capacity the way a conventional battery would.
At 82 Ah it moves into large diesels, SUVs, vans and cars with heavy electrical equipment. The TK820 belongs to the Tudor TUDOR AGM range. The full range of Tudor batteries
Tudor TK820 codes and part numbers
This is how the Tudor TK820 appears on the label and in parts catalogues:
| Commercial reference | TK820 |
|---|---|
| EAN | 3661024057646 |
| Case size (EN) | L4 |
| Not to be confused with | Tudor TK620 (62 Ah, 680 A), Tudor TK720 (72 Ah, 760 A) |
Tudor TK820 vs TK720 and TK960: which one to choose?
The real differences between the TK820 and the closest Tudor models:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Tudor TK820 (this one) | 82 Ah | 800 A | 315 × 175 × 190 | right | 23.3 kg |
| Tudor TK720 | 72 Ah | 760 A | 278 × 175 × 190 | right | 20.6 kg |
| Tudor TK960 | 96 Ah | 850 A | 353 × 175 × 190 | right | 26.1 kg |
- Tudor TK720: 10 Ah less, 40 A less cranking power, a different case (278 × 175 × 190 mm).
- Tudor TK960: 14 Ah more, 50 A more cranking power, a different case (353 × 175 × 190 mm).
Equivalents and alternatives to the Tudor TK820
As the TK820 is an AGM battery, we only list other AGM batteries with its dimensions and polarity: neither an EFB nor a conventional battery can replace it.
| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Exide EK820 | AGM | 82 Ah | 800 A | 315 × 175 × 190 |
| Fulmen FK820 | AGM | 82 Ah | 800 A | 315 × 175 × 190 |
| Deta DK820 | AGM | 82 Ah | 800 A | 315 × 175 × 190 |
| Varta A6 | AGM | 80 Ah | 800 A | 315 × 175 × 190 |
| Fulmen FK800 | AGM | 80 Ah | 800 A | 315 × 175 × 190 |
| Deta DK800 | AGM | 80 Ah | 800 A | 315 × 175 × 190 |
Its Bosch equivalent is the Bosch S5 A11, the same as for the Varta A6. Bosch is not part of our catalogue; we list it so you can compare.
Inside the TK820: AGM technology
Inside, the TK820 has glass fibre separators (AGM) that hold the electrolyte. The TK820 needs a charger with an AGM mode that does not exceed 14.7 V.
Check this before ordering the Tudor TK820
- The TK820 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 TK820 delivers 800 A cold cranking (EN standard); do not go below what your original battery states.
- With 82 Ah, the TK820 replaces an original battery of that capacity or slightly less.
- The TK820 has the positive terminal on the right: compare it with your current battery.
- Measure the space: the TK820 takes up 315 × 175 × 190 mm (European case size L4).
Frequently asked questions about the Tudor TK820
Tudor TK820 or TK720?
Compared with the TK820, the Tudor TK720 has 10 Ah less and 40 A less cranking power. The TK820 cranks harder; the TK720 is only a good option if your original battery says 760 A or less. Mind the space: the TK720 measures 278 × 175 × 190 mm.
Can the Tudor TK820 be used in a car with Start-Stop?
Yes. As an AGM battery, the TK820 handles automatic engine stop and brake energy recovery, and it can replace an EFB of the same size.
How much does the Tudor TK820 weigh?
The TK820 weighs 23.3 kg. For reference, the Tudor TK720 (72 Ah) weighs 20.6 kg.
Which battery is equivalent to the Tudor TK820?
Only other AGM batteries with its dimensions and polarity: Exide EK820, Fulmen FK820 and Deta DK820. Neither an EFB nor a conventional battery replaces the TK820. Its Bosch equivalent is the Bosch S5 A11, the same as for the Varta A6. Bosch is not part of our catalogue; we list it so you can compare.
What case size is the Tudor TK820?
Case size L4: 315 × 175 × 190 mm. The TK820 fits any standard L4 battery tray such as the Exide EK820.
Which side is the positive terminal on the Tudor TK820?
The TK820 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.
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.
Keep comparing: alternatives to the TK820
- All start-Stop batteries (AGM and EFB)
- Full Tudor catalogue
- Exide EK820 · 82 Ah, 800 A, 315×175×190 mm
- Fulmen FK820 · 82 Ah, 800 A, 315×175×190 mm
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