Varta
Varta TX20H (FA) · Motorcycle battery 12V 18Ah 310A
Reference: BOL-VARTA-518909031 · EAN 4016987169605
The Varta TX20H (FA) (ETN 518 909 031, also written 518909031) is a motorcycle battery (AGM) with 12 V, 18 Ah and 310 A cold cranking current, measuring 176 × 89 × 154 mm, with the positive terminal on the left. If yours has the positive terminal on the right, you need the Varta TX20HL (FA).
Varta TX20H (FA) · Motorcycle battery 12V 18Ah 310A images
- Voltage
- 12V
- Capacity
- 18Ah (C10)
- Cold cranking amps (EN)
- 310A
- Technology
- AGM
- Dimensions (L × W × H)
- 176 × 89 × 154 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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The Varta TX20H (FA) at a glance
The Varta TX20H (FA) is made for motorcycles, scooters and quads. It is worth keeping the TX20H (FA) on a maintenance charger if the bike is laid up over winter.
At 18 Ah it goes into large-capacity motorcycles, adventure bikes, customs and quads. In the Varta catalogue, the TX20H (FA) belongs to the Powersports AGM Active line. See all Varta batteries
Part numbers and codes for the Varta TX20H (FA)
This is how the Varta TX20H (FA) appears on the label and in parts catalogues:
| Commercial reference | TX20H (FA) |
|---|---|
| ETN code | 518909031 (also 518 909 031) |
| EAN | 4016987169605 |
| Case size according to Varta | BTX20H-B |
| Base hold-down | B00 |
| Terminal type | Y14 |
| Also known as | Varta 518909031 · Varta 518 909 031 · BTX20H-B |
| Not to be confused with | Varta TX20HL (FA) (18 Ah, 310 A, positive terminal on the right) |
Equivalents and alternatives to the Varta TX20H (FA)
Other AGM batteries that fit the TX20H (FA)'s tray with the same polarity: an AGM can only be replaced by another AGM.
| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Motobatt MBTX20U | AGM | 21 Ah | 310 A | 175 × 87 × 155 |
| Motobatt MBTX20UHD | AGM | 21 Ah | 310 A | 175 × 87 × 155 |
Varta TX20H (FA) vs YTX20-BS, TX20HL (FA) and YTX20CH-BS
How the TX20H (FA) compares with Varta batteries of similar size and capacity:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Varta TX20H (FA) (this one) | 18 Ah | 310 A | 176 × 89 × 154 | left | 6.55 kg |
| Varta YTX20-BS | 18 Ah | 250 A | 177 × 88 × 156 | left | 5.96 kg |
| Varta TX20HL (FA) | 18 Ah | 310 A | 176 × 89 × 154 | right | 6.55 kg |
| Varta YTX20CH-BS | 18 Ah | 270 A | 150 × 87 × 161 | left | 5.53 kg |
- Varta YTX20-BS: the same capacity, 60 A less cranking power, the same dimensions.
- Varta TX20HL (FA): identical to the TX20H (FA) except for the positive terminal, which is on the other side (positive terminal on the right).
- Varta YTX20CH-BS: the same capacity, 40 A less cranking power, a different case (150 × 87 × 161 mm).
Before ordering the TX20H (FA), check this
- Length, width and height of the TX20H (FA): 176 × 89 × 154 mm.
- With the terminals facing you, the positive terminal of the TX20H (FA) is on the left.
- With 18 Ah, the TX20H (FA) replaces an original battery of that capacity or slightly less.
- The TX20H (FA) delivers 310 A cold cranking (EN standard); do not go below what your original battery states.
Frequently asked questions about the Varta TX20H (FA)
TX20H (FA) or YTX20-BS: which one suits me?
Compared with the TX20H (FA), the Varta YTX20-BS has 60 A less cranking power. The TX20H (FA) cranks harder; the YTX20-BS is only a good option if your original battery says 250 A or less. Both measure 176 × 89 × 154 mm, so they fit the same tray.
Varta TX20H (FA) or TX20HL (FA): what is the difference?
Only the polarity: the TX20H (FA) has the positive terminal on the left and the TX20HL (FA) the positive terminal on the right. Capacity (18 Ah), cranking power and dimensions are identical. That is why their ETNs only differ in the middle group: 518 909 031 for the TX20H (FA) and 518 919 031 for the TX20HL (FA).
Is the Varta 518909031 the same battery as the Varta TX20H (FA)?
Yes. 518909031 is the ETN code Varta uses for its TX20H (FA) battery, so you can search for it by either code.
How much does the Varta TX20H (FA) weigh?
6.55 kg, with 18 Ah of capacity. For reference, the Varta YTX20-BS (18 Ah) weighs 5.96 kg.
Which battery is equivalent to the Varta TX20H (FA)?
Only other AGM batteries with its dimensions and polarity: Motobatt MBTX20U and Motobatt MBTX20UHD. Neither an EFB nor a conventional battery replaces the TX20H (FA).
Does the Varta TX20H (FA) come charged and ready to fit?
Sealed AGM and gel batteries leave the factory charged and ready. Conventional ones with a separate acid pack are activated when filled and should be charged before fitting.
AGM technology in the TX20H (FA)
Inside, the TX20H (FA) has glass fibre separators (AGM) that hold the electrolyte. The TX20H (FA) needs a charger with an AGM mode that does not exceed 14.7 V.
More batteries to compare with the TX20H (FA)
- All motorcycle batteries
- The whole Varta range
- Motobatt MBTX20U · 21 Ah, 310 A, 175×87×155 mm
- Motobatt MBTX20UHD · 21 Ah, 310 A, 175×87×155 mm
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