Varta
Varta C20 · Truck battery 12V 55Ah 420A
Reference: BOL-VARTA-C20 · EAN 4016987166581
Varta C20 (ETN 555 064 042, also written C 20 or 555064042): truck battery with 12 V, 55 Ah and 420 A cold cranking current, case size L2 (242 × 175 × 190 mm), with the positive terminal on the right.
Varta C20 · Truck battery 12V 55Ah 420A images
- Voltage
- 12V
- Capacity
- 55Ah
- Cold cranking amps (EN)
- 420A
- Technology
- Lead-acid
- Dimensions (L × W × H)
- 242 × 175 × 190 mm
- Polarity
- Positive terminal on the right
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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.
Where the Varta C20 fits
The Varta C20 is a starter battery for trucks, tractors and machinery: high capacity, robust terminals and a build that withstands vibration and the starts of large engines. It is built to resist constant vibration and long shifts.
Varta lists the C20 in its Promotive SLI line. The full range of Varta batteries
What it means that the C20 is lead-acid
The C20 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.
Varta C20 vs D33 and B39
What sets the C20 apart from its neighbours in the Varta range:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Varta C20 (this one) | 55 Ah | 420 A | 242 × 175 × 190 | right | 13.44 kg |
| Varta D33 | 66 Ah | 510 A | 278 × 175 × 190 | right | 15.83 kg |
| Varta B39 | 45 Ah | 300 A | 210 × 175 × 175 | right | 10.76 kg |
- Varta D33: 11 Ah more, 90 A more cranking power, a different case (278 × 175 × 190 mm).
- Varta B39: 10 Ah less, 120 A less cranking power, a different case (210 × 175 × 175 mm).
Equivalents and alternatives to the Varta C20
No other reference in the catalogue fully matches the dimensions and polarity of the C20; you will find the closest ones among our truck, commercial and agricultural vehicle batteries.
Varta C20 codes and part numbers
The C20 is listed under these codes on labels, in garages and in catalogues:
| Commercial reference | C20 (C 20) |
|---|---|
| ETN code | 555064042 (also 555 064 042) |
| EAN | 4016987166581 |
| Case size (EN) | L2 |
| Case size according to Varta | H5 |
| Base hold-down | B13 |
| Also known as | Varta C 20 · Varta 555064042 · Varta 555 064 042 |
| Not to be confused with | Varta B20 (45 Ah, 400 A, positive terminal on the left), Varta C22 (52 Ah, 470 A), Varta C30 (54 Ah, 530 A) |
What to look at before buying the C20
- Check the EN amps on your battery: if it says 420 A or less, the C20 covers your engine.
- Your current battery should say about 55 Ah; a little more is also fine.
- Polarity of the C20: positive terminal on the right (if yours has it on the other side, the cables will not reach).
- The C20 needs 242 × 175 × 190 mm of space (European case size L2): measure it with the hold-down clamp in place.
Frequently asked questions about the Varta C20
Varta C20 or D33?
Compared with the C20, the Varta D33 has 11 Ah more and 90 A more cranking power. If your current battery says 510 A or more, choose the D33; if it says 420 A or less, the C20 is enough. Mind the space: the D33 measures 278 × 175 × 190 mm.
What does the code 555 064 042 on the Varta C20 mean?
It is its ETN (European Type Number), also written 555064042. The first three digits (555) encode voltage and capacity: 12 V and 55 Ah (5xx = under 100 Ah, 6xx = 100 to 199 Ah, 7xx = 200 Ah or more). The middle group (064) identifies the specific model within that capacity, and the last three digits (042) multiplied by 10 give the cold cranking current: 420 A.
How much does the Varta C20 weigh?
The C20 weighs 13.44 kg. For reference, the Varta D33 (66 Ah) weighs 15.83 kg.
What case size is the Varta C20?
Case size L2: 242 × 175 × 190 mm (Varta lists it as H5). The C20 fits any standard L2 battery tray.
Which side is the positive terminal on the Varta C20?
The C20 has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.
Which charger does the Varta C20 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.
Keep comparing: alternatives to the C20
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