Varta
Varta B33 · Car battery 12V 45Ah 330A
Reference: BOL-VARTA-B33 · EAN 4016987167540
Varta B33 (ETN 545 157 033, also written B 33 or 545157033): car battery with 12 V, 45 Ah and 330 A cold cranking current, case size B24 (238 × 129 × 227 mm), with the positive terminal on the left. If yours has the positive terminal on the right, you need the Varta B31.
Varta B33 · Car battery 12V 45Ah 330A images
- Voltage
- 12V
- Capacity
- 45Ah
- Cold cranking amps (EN)
- 330A
- Technology
- Lead-acid
- Dimensions (L × W × H)
- 238 × 129 × 227 mm
- Polarity
- Positive terminal on the left
Price:
€48.53
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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.
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.
Where the Varta B33 fits
The Varta B33 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 45 Ah battery, the B33 is a direct replacement.
At 45 Ah it is a small size: the usual choice for petrol superminis and city cars with little equipment. Varta lists the B33 in its Dynamic SLI line. More Varta batteries
Varta B33 codes and part numbers
The B33 is listed under these codes on labels, in garages and in catalogues:
| Commercial reference | B33 (B 33) |
|---|---|
| ETN code | 545157033 (also 545 157 033) |
| EAN | 4016987167540 |
| Case size (EN) | B24 |
| Case size according to Varta | B24S |
| UK code | 155 |
| Base hold-down | B00 |
| Also known as | Varta B 33 · Varta 545157033 · Varta 545 157 033 · B24S |
| Not to be confused with | Varta B23 (45 Ah, 300 A, positive terminal on the right), Varta B31 (45 Ah, 330 A, positive terminal on the right), Varta B32 (45 Ah, 330 A, positive terminal on the right) |
Varta B33 vs A11, B31 and B24: which one to choose?
What sets the B33 apart from its neighbours in the Varta range:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Varta B33 (this one) | 45 Ah | 330 A | 238 × 129 × 227 | left | 11.3 kg |
| Varta A11 | 45 Ah | 370 A | 236 × 126 × 224 | left | 13.18 kg |
| Varta B31 | 45 Ah | 330 A | 238 × 129 × 227 | right | 11.3 kg |
| Varta B24 | 45 Ah | 300 A | 220 × 135 × 225 | left | 10.7 kg |
- Varta A11: the same capacity, 40 A more cranking power, a different case (236 × 126 × 224 mm), AGM technology.
- If the positive terminal of your battery is on the other side, the one you need is the Varta B31 (positive terminal on the right).
- Varta B24: the same capacity, 30 A less cranking power, a different case (220 × 135 × 225 mm).
Equivalents and alternatives to the Varta B33
Same dimensions and polarity as the B33, with similar capacity and cranking power; as a conventional battery, the B33 can also be replaced by an EFB or AGM of the same size if you want more cycles.
| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Kronobat PB-45.1F | Lead-acid | 45 Ah | 330 A | 238 × 129 × 227 |
| Kronobat PB-45.1T | Lead-acid | 45 Ah | 330 A | 238 × 129 × 227 |
| Exide EB455 | Lead-acid | 45 Ah | 330 A | 237 × 127 × 227 |
| Exide EB457 | Lead-acid | 45 Ah | 330 A | 237 × 127 × 227 |
| Tudor TB455 | Lead-acid | 45 Ah | 330 A | 237 × 127 × 227 |
| Tudor TB457 | Lead-acid | 45 Ah | 330 A | 237 × 127 × 227 |
What it means that the B33 is lead-acid
The B33 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 B33
- If your car has Start-Stop, the B33 is not the right one: it needs an EFB or an AGM.
- Cold cranking: 330 A (EN), equal to or higher than the original.
- With 45 Ah, the B33 replaces an original battery of that capacity or slightly less.
- The B33 has the positive terminal on the left: compare it with your current battery.
- Length, width and height of the B33: 238 × 129 × 227 mm (European case size B24).
Frequently asked questions about the Varta B33
Varta B33 or A11?
Compared with the B33, the Varta A11 has 40 A more cranking power and AGM technology. If your current battery says 370 A or more, choose the A11; if it says 330 A or less, the B33 is enough. Mind the space: the A11 measures 236 × 126 × 224 mm.
What is the difference between the Varta B33 and the B31?
They are the same battery with the terminals swapped: positive terminal on the left on the B33, positive terminal on the right on the B31. Look at your current battery with the terminals facing you and pick the one that matches. That is why their ETNs only differ in the middle group: 545 157 033 for the B33 and 545 155 033 for the B31.
What does the code 545 157 033 on the Varta B33 mean?
It is its ETN (European Type Number), also written 545157033. The first three digits (545) encode voltage and capacity: 12 V and 45 Ah (5xx = under 100 Ah, 6xx = 100 to 199 Ah, 7xx = 200 Ah or more). The middle group (157) identifies the specific model within that capacity, and the last three digits (033) multiplied by 10 give the cold cranking current: 330 A. Its twin with the positive terminal on the other side, the Varta B31, is 545 155 033: only the middle group changes.
Can the Varta B33 be used in a car with Start-Stop?
No. The B33 is a lead-acid battery for cars without automatic engine stop; Start-Stop needs an EFB or an AGM; in this same size there is the Varta A11.
How much does the Varta B33 weigh?
The B33 weighs 11.3 kg. For reference, the Varta A11 (45 Ah) weighs 13.18 kg.
Which battery is equivalent to the Varta B33?
With the same dimensions, polarity and similar capacity you have the Kronobat PB-45.1F, Kronobat PB-45.1T and Exide EB455. As the B33 is a conventional battery, an EFB or AGM of the same size also works.
What case size is the Varta B33?
Case size B24: 238 × 129 × 227 mm (Varta lists it as B24S). The B33 fits any standard B24 battery tray such as the Kronobat PB-45.1F.
More batteries to compare with the B33
- More car batteries
- The whole Varta range
- Kronobat PB-45.1F · 45 Ah, 330 A, 238×129×227 mm
- Kronobat PB-45.1T · 45 Ah, 330 A, 238×129×227 mm
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