12VVoltage
82AhAmp-hours at C20
800ACold cranking amps
In short: Battery Tudor TK820 at a glance: 82Ah 12V 800A, intended for start-stop vehicles. Owners usually check three things first: size, terminal side and starting power.
Using it day to day: practical tips
Rush hour in town: the engine stops at every light and the battery runs the fans, the lights and the screen. Keep the car locked during the swap so the alarm does not trigger. Engines that stumble on restart after a pause at the lights point towards a weak battery.
Measurements, ratings and codes
ManufacturerTudor
Model codeTK820
RangeTUDOR AGM
Used forstart-stop vehicles
Voltage12V
Amp-hours at C2082Ah
Cold cranking amps800A
Battery technologyAGM
Size L × W × H315 × 175 × 190 mm
Weighs23.3 kg
Polaritypositive on the right-hand side
Barcode3661024057646
The AGM technology explained
Glass-mat batteries are sealed, with small valves that only open if pressure builds up. Backup systems rely on AGM because it can wait, fully charged, for years without fuss. Keep AGM batteries away from sustained heat, which shortens their life.
Same size and layout
Other references from our catalogue with the same measurements and terminal position.
Deta DK820Exide EK820Fulmen FK820Deta DK800Deta DL800
Frequently asked questions
Is this enough battery for a cold start?
Look at your old label: if it shows 82Ah or less and 800A or less, this battery covers it.
Which voltage does the Tudor TK820 run at?
Yes, 12V with 82Ah. Two in series would give double the voltage.
Which way round are the posts on this battery?
Polarity: positive on the right-hand side. Face the long side with the posts nearest you to compare.
Tudor TK820: what it is and who it suits
Drivers often find out their car needs a special battery only when the auto-stop stops working, and the Tudor TK820 is one answer. A rating of 82Ah 12V 800A sits alongside the technology, which matters just as much in these cars. A photo of the old label makes a perfect shopping list for batteries online.
82Ah is right in the usual range for start-stop vehicles.
See also
Ordering online at baterias.online is the quick part once the checks are done. Writing the fitting date on the battery helps when planning the next replacement.
Five checks for a perfect fit
- ✓ Note which corner the plus post occupies on your old unit. Here it is positive on the right-hand side, and crossed cables rarely reach.
- ✓ Do not go far below your old battery's capacity; this one has 82Ah.
- ✓ Starting power: 800A to the EN standard. Match or beat the figure on your current label.
