Varta
Varta YTX24HL-BS · Motorcycle battery 12V 21Ah 340A
Reference: BOL-VARTA-521908034 · EAN 4016987149768
Varta YTX24HL-BS (ETN 521 908 034, also written 521908034): motorcycle battery (AGM) with 12 V, 21 Ah and 340 A cold cranking current, measuring 205 × 90 × 164 mm, with the positive terminal on the right.
Varta YTX24HL-BS · Motorcycle battery 12V 21Ah 340A images
- Voltage
- 12V
- Capacity
- 21Ah
- Cold cranking amps (EN)
- 340A
- Technology
- AGM
- Dimensions (L × W × H)
- 205 × 90 × 164 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.
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.
Who the Varta YTX24HL-BS is for
The Varta YTX24HL-BS is a motorcycle starter battery: compact, vibration-resistant and with just the right power to turn the starter motor and feed the electronics. It is worth keeping the YTX24HL-BS on a maintenance charger if the bike is laid up over winter.
At 21 Ah it is a large battery for heavy motorcycles, jet skis and utility quads. Varta lists the YTX24HL-BS in its Powersports AGM High Performance line. The full range of Varta batteries
Part numbers and codes for the Varta YTX24HL-BS
The YTX24HL-BS is listed under these codes on labels, in garages and in catalogues:
| Commercial reference | YTX24HL-BS |
|---|---|
| ETN code | 521908034 (also 521 908 034) |
| Manufacturer short code | TX24HL-BS |
| EAN | 4016987149768 |
| Base hold-down | B00 |
| Also known as | Varta 521908034 · Varta 521 908 034 · Varta TX24HL-BS |
| Not to be confused with | Varta YTX20HL-BS (18 Ah, 320 A) |
Equivalents and alternatives to the Varta YTX24HL-BS
Other AGM batteries that fit the YTX24HL-BS's tray with the same polarity: an AGM can only be replaced by another AGM.
| Model | Technology | Capacity | Cold cranking (EN) | Dimensions (mm) |
|---|---|---|---|---|
| Exide AGM12-23 | AGM | 21 Ah | 350 A | 205 × 90 × 165 |
| Exide ETX24HL-BS | AGM | 21 Ah | 350 A | 205 × 90 × 165 |
| Fulbat FTX24HL-BS | AGM | 22.1 Ah | 350 A | 205 × 87 × 162 |
| Varta TX24HL (FA) | AGM | 21 Ah | 330 A | 205 × 87 × 162 |
Varta YTX24HL-BS vs TX24HL (FA) and T19BL (FA)
The real differences between the YTX24HL-BS and the closest Varta models:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Varta YTX24HL-BS (this one) | 21 Ah | 340 A | 205 × 90 × 164 | right | 7.7 kg |
| Varta TX24HL (FA) | 21 Ah | 330 A | 205 × 87 × 162 | right | 7 kg |
| Varta T19BL (FA) | 18 Ah | 220 A | 186 × 82 × 171 | right | 5.55 kg |
- Varta TX24HL (FA): the same capacity, 10 A less cranking power, a different case (205 × 87 × 162 mm).
- Varta T19BL (FA): 3 Ah less, 120 A less cranking power, a different case (186 × 82 × 171 mm).
Before ordering the YTX24HL-BS, check this
- Check the EN amps on your battery: if it says 340 A or less, the YTX24HL-BS covers your engine.
- Capacity of the YTX24HL-BS: 21 Ah; the same as your current battery or slightly more is fine.
- The YTX24HL-BS has the positive terminal on the right: compare it with your current battery.
- The YTX24HL-BS needs 205 × 90 × 164 mm of space: measure it with the hold-down clamp in place.
Frequently asked questions about the Varta YTX24HL-BS
YTX24HL-BS or TX24HL (FA): which one suits me?
Compared with the YTX24HL-BS, the Varta TX24HL (FA) has 10 A less cranking power. The YTX24HL-BS cranks harder; the TX24HL (FA) is only a good option if your original battery says 330 A or less. Mind the space: the TX24HL (FA) measures 205 × 87 × 162 mm.
Is the Varta 521908034 the same battery as the Varta YTX24HL-BS?
Yes. 521908034 is the ETN code Varta uses for its YTX24HL-BS battery, so you can search for it by either code.
How much does the Varta YTX24HL-BS weigh?
7.7 kg, with 21 Ah of capacity. For reference, the Varta TX24HL (FA) (21 Ah) weighs 7 kg.
Which battery is equivalent to the Varta YTX24HL-BS?
Only other AGM batteries with its dimensions and polarity: Exide AGM12-23, Exide ETX24HL-BS and Fulbat FTX24HL-BS. Neither an EFB nor a conventional battery replaces the YTX24HL-BS.
Which side is the positive terminal on the Varta YTX24HL-BS?
On the YTX24HL-BS, the positive terminal is on the right with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.
How do I stop the motorcycle battery going flat in winter?
Connect it to a maintenance charger or disconnect it if the bike will sit for more than a month. A flat motorcycle battery sulphates in a few weeks.
What it means that the YTX24HL-BS is AGM
The YTX24HL-BS is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.
Keep comparing: alternatives to the YTX24HL-BS
- All motorcycle batteries
- More Varta models
- Exide AGM12-23 · 21 Ah, 350 A, 205×90×165 mm
- Exide ETX24HL-BS · 21 Ah, 350 A, 205×90×165 mm
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