Tudor
Tudor TB858 · Car battery 12V 85Ah 800A
Reference: BOL-TUDOR-TB858 · EAN 3661024057141
The Tudor TB858 is a car battery with 12 V, 85 Ah and 800 A cold cranking current, measuring 306 × 192 × 192 mm, with the positive terminal on the left.
Tudor TB858 · Car battery 12V 85Ah 800A images
- Voltage
- 12V
- Capacity
- 85Ah
- Cold cranking amps (EN)
- 800A
- Technology
- Lead-acid
- Dimensions (L × W × H)
- 306 × 192 × 192 mm
- Polarity
- Positive terminal on the left
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14 days to return your order
If it does not fit, you have 14 days from delivery to return it unused.
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Enter your number plate or chassis number (VIN): we check whether this battery is compatible with your vehicle.
Who the Tudor TB858 is for
The Tudor TB858 is a starter battery for cars without Start-Stop: it delivers the current the starter motor needs and then powers lights, control units and audio with the engine off. If your car has no Start-Stop and had a 85 Ah battery, the TB858 is a direct replacement.
At 85 Ah it moves into large diesels, SUVs, vans and cars with heavy electrical equipment. The TB858 belongs to the Tudor TUDOR TECHNICA range. The full range of Tudor batteries
Part numbers and codes for the Tudor TB858
The TB858 is listed under these codes on labels, in garages and in catalogues:
| Commercial reference | TB858 |
|---|---|
| EAN | 3661024057141 |
| Not to be confused with | Tudor TB758 (75 Ah, 770 A), Tudor TB558 (55 Ah, 620 A), Tudor TB852 (85 Ah, 760 A, positive terminal on the right) |
Tudor TB858 vs TB741 and TB955: differences
Torn between the TB858 and another similar Tudor? This is what changes:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Tudor TB858 (this one) | 85 Ah | 800 A | 306 × 192 × 192 | left | 19.5 kg |
| Tudor TB741 | 74 Ah | 680 A | 278 × 175 × 190 | left | 16.6 kg |
| Tudor TB955 | 95 Ah | 760 A | 306 × 173 × 222 | left | 20.6 kg |
- Tudor TB741: 11 Ah less, 120 A less cranking power, a different case (278 × 175 × 190 mm).
- Tudor TB955: 10 Ah more, 40 A less cranking power, a different case (306 × 173 × 222 mm).
Equivalents and alternatives to the Tudor TB858
Batteries that fit the TB858's tray with the same polarity; besides other conventional batteries, an EFB or AGM of this size is a valid upgrade for the TB858.
| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Exide EB858 | Lead-acid | 85 Ah | 800 A | 306 × 192 × 192 |
Inside the TB858: lead-acid technology
The TB858 is a conventional lead-acid battery, with plates immersed in liquid electrolyte. Avoid leaving them discharged, as they sulphate, and charge them with a charger that cuts off or switches to maintenance when finished.
What to look at before buying the TB858
- If your car has Start-Stop, the TB858 is not the right one: it needs an EFB or an AGM.
- Cold cranking: 800 A (EN), equal to or higher than the original.
- Capacity of the TB858: 85 Ah; the same as your current battery or slightly more is fine.
- With the terminals facing you, the positive terminal of the TB858 is on the left.
- Measure the space: the TB858 takes up 306 × 192 × 192 mm.
Frequently asked questions about the Tudor TB858
TB858 or TB741: which one suits me?
Compared with the TB858, the Tudor TB741 has 11 Ah less and 120 A less cranking power. The TB858 cranks harder; the TB741 is only a good option if your original battery says 680 A or less. Mind the space: the TB741 measures 278 × 175 × 190 mm.
Can the Tudor TB858 be used in a car with Start-Stop?
No. The TB858 is a lead-acid battery for cars without automatic engine stop; Start-Stop needs an EFB or an AGM.
How much does the Tudor TB858 weigh?
19.5 kg, with 85 Ah of capacity. For reference, the Tudor TB741 (74 Ah) weighs 16.6 kg.
Which battery is equivalent to the Tudor TB858?
With the same dimensions, polarity and similar capacity you have the Exide EB858. As the TB858 is a conventional battery, an EFB or AGM of the same size also works.
Which side is the positive terminal on the Tudor TB858?
On the TB858, the positive terminal is on the left with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.
Which charger does the Tudor TB858 need?
An automatic lead-acid charger with cut-off or maintenance mode, rated at 10 to 20% of its capacity in amps. If it is a vented type, check the electrolyte level and top up only with distilled water.
Other options if you are unsure about the TB858
- All car batteries
- More Tudor models
- Exide EB858 · 85 Ah, 800 A, 306×192×192 mm
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