Varta
Varta YTX20-BS · Motorcycle battery 12V 18Ah 250A
Reference: BOL-VARTA-518902025 · EAN 4016987169513
Varta YTX20-BS (ETN 518 902 025, also written 518902025): motorcycle battery (AGM) with 12 V, 18 Ah and 250 A cold cranking current, measuring 177 × 88 × 156 mm, with the positive terminal on the left. If yours has the positive terminal on the right, you need the Varta YTX20L-BS.
Varta YTX20-BS · Motorcycle battery 12V 18Ah 250A images
- Voltage
- 12V
- Capacity
- 18Ah
- Cold cranking amps (EN)
- 250A
- Technology
- AGM
- Dimensions (L × W × H)
- 177 × 88 × 156 mm
- Polarity
- Positive terminal on the left
Price:
€110.16
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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.
The Varta YTX20-BS at a glance
The Varta YTX20-BS is made for motorcycles, scooters and quads. With 18 Ah, the YTX20-BS suits motorcycles and scooters that had a battery of that capacity.
At 18 Ah it goes into large-capacity motorcycles, adventure bikes, customs and quads. In the Varta catalogue, the YTX20-BS belongs to the Powersports AGM line. See all Varta batteries
Varta YTX20-BS codes and part numbers
This is how the Varta YTX20-BS appears on the label and in parts catalogues:
| Commercial reference | YTX20-BS |
|---|---|
| ETN code | 518902025 (also 518 902 025) |
| Manufacturer short code | TX20-BS (TX20-4) |
| EAN | 4016987169513 |
| Base hold-down | B00 |
| Terminal type | Y4 |
| Also known as | Varta 518902025 · Varta 518 902 025 · Varta TX20-BS (TX20-4) |
| Not to be confused with | Varta YTX20L-BS (18 Ah, 250 A, positive terminal on the right), Varta YTX20H-BS (18 Ah, 320 A, positive terminal on the right) |
Equivalents and alternatives to the Varta YTX20-BS
As the YTX20-BS 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 AGM12-19.1 | AGM | 18 Ah | 270 A | 175 × 90 × 155 |
| Exide ETX20H-BS | AGM | 18 Ah | 270 A | 175 × 90 × 155 |
| Fulbat FTX20-BS | AGM | 18.9 Ah | 270 A | 175 × 87 × 155 |
Varta YTX20-BS vs TX20H (FA), YTX20L-BS and YTX20CH-BS
What sets the YTX20-BS apart from its neighbours in the Varta range:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Varta YTX20-BS (this one) | 18 Ah | 250 A | 177 × 88 × 156 | left | 5.96 kg |
| Varta TX20H (FA) | 18 Ah | 310 A | 176 × 89 × 154 | left | 6.55 kg |
| Varta YTX20L-BS | 18 Ah | 250 A | 177 × 88 × 156 | right | 5.96 kg |
| Varta YTX20CH-BS | 18 Ah | 270 A | 150 × 87 × 161 | left | 5.53 kg |
- Varta TX20H (FA): the same capacity, 60 A more cranking power, the same dimensions.
- If the positive terminal of your battery is on the other side, the one you need is the Varta YTX20L-BS (positive terminal on the right).
- Varta YTX20CH-BS: the same capacity, 20 A more cranking power, a different case (150 × 87 × 161 mm).
What to look at before buying the YTX20-BS
- The YTX20-BS delivers 250 A cold cranking (EN standard); do not go below what your original battery states.
- Your current battery should say about 18 Ah; a little more is also fine.
- The YTX20-BS has the positive terminal on the left: compare it with your current battery.
- The YTX20-BS needs 177 × 88 × 156 mm of space: measure it with the hold-down clamp in place.
Frequently asked questions about the Varta YTX20-BS
Varta YTX20-BS or TX20H (FA)?
Compared with the YTX20-BS, the Varta TX20H (FA) has 60 A more cranking power. If your current battery says 310 A or more, choose the TX20H (FA); if it says 250 A or less, the YTX20-BS is enough. Both measure 177 × 88 × 156 mm, so they fit the same tray.
What is the difference between the Varta YTX20-BS and the YTX20L-BS?
They are the same battery with the terminals swapped: positive terminal on the left on the YTX20-BS, positive terminal on the right on the YTX20L-BS. 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: 518 902 025 for the YTX20-BS and 518 901 025 for the YTX20L-BS.
Is the Varta 518902025 the same battery as the Varta YTX20-BS?
Yes. 518902025 is the ETN code Varta uses for its YTX20-BS battery, so you can search for it by either code.
How much does the Varta YTX20-BS weigh?
The YTX20-BS weighs 5.96 kg. For reference, the Varta TX20H (FA) (18 Ah) weighs 6.55 kg.
Which battery is equivalent to the Varta YTX20-BS?
Only other AGM batteries with its dimensions and polarity: Exide AGM12-19.1, Exide ETX20H-BS and Fulbat FTX20-BS. Neither an EFB nor a conventional battery replaces the YTX20-BS.
Which charger does the Varta YTX20-BS need?
A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.
What it means that the YTX20-BS is AGM
Inside, the YTX20-BS has glass fibre separators (AGM) that hold the electrolyte. The YTX20-BS needs a charger with an AGM mode that does not exceed 14.7 V.
More batteries to compare with the YTX20-BS
- More motorcycle batteries
- The whole Varta range
- Exide AGM12-19.1 · 18 Ah, 270 A, 175×90×155 mm
- Exide ETX20H-BS · 18 Ah, 270 A, 175×90×155 mm
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