Varta
Varta YTR4A-BS · Motorcycle battery 12V 2.3Ah 30A
Reference: BOL-VARTA-502903003 · EAN 4016987168851
Varta YTR4A-BS (ETN 502 903 003, also written 502903003): motorcycle battery (AGM) with 12 V, 2.3 Ah and 30 A cold cranking current, measuring 114 × 49 × 86 mm, with the positive terminal on the right.
Varta YTR4A-BS · Motorcycle battery 12V 2.3Ah 30A images
- Voltage
- 12V
- Capacity
- 2.3Ah
- Cold cranking amps (EN)
- 30A
- Technology
- AGM
- Dimensions (L × W × H)
- 114 × 49 × 86 mm
- Polarity
- Positive terminal on the right
Price:
€73.26
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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 YTR4A-BS is for
The Varta YTR4A-BS is made for motorcycles, scooters and quads. It handles frame vibration and idle periods better than an adapted car battery.
At 2.3 Ah it is a small battery, typical of 50 to 125 cc scooters and light motorcycles. In the Varta catalogue, the YTR4A-BS belongs to the Powersports AGM line. The full range of Varta batteries
Varta YTR4A-BS codes and part numbers
Shops, garages and catalogues identify the YTR4A-BS with these codes:
| Commercial reference | YTR4A-BS |
|---|---|
| ETN code | 502903003 (also 502 903 003) |
| Manufacturer short code | TR4A-BS |
| EAN | 4016987168851 |
| Base hold-down | B00 |
| Terminal type | Y12 |
| Also known as | Varta 502903003 · Varta 502 903 003 · Varta TR4A-BS |
Equivalents and alternatives to the Varta YTR4A-BS
As the YTR4A-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 ETR4A-BS | AGM | 2 Ah | 35 A | 115 × 50 × 85 |
Varta YTR4A-BS vs YT4L-BS and YTX4L-4 (FA): differences
The real differences between the YTR4A-BS and the closest Varta models:
| Model | Capacity | Cold cranking (EN) | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|---|
| Varta YTR4A-BS (this one) | 2.3 Ah | 30 A | 114 × 49 × 86 | right | 0.99 kg |
| Varta YT4L-BS | 3 Ah | 40 A | 114 × 71 × 86 | right | 1.39 kg |
| Varta YTX4L-4 (FA) | 3 Ah | 50 A | 113 × 70 × 87 | right | 1.4 kg |
- Varta YT4L-BS: 0.70 Ah more, 10 A more cranking power, a different case (114 × 71 × 86 mm).
- Varta YTX4L-4 (FA): 0.70 Ah more, 20 A more cranking power, a different case (113 × 70 × 87 mm).
Before ordering the YTR4A-BS, check this
- Check the EN amps on your battery: if it says 30 A or less, the YTR4A-BS covers your engine.
- Capacity of the YTR4A-BS: 2.3 Ah; the same as your current battery or slightly more is fine.
- The YTR4A-BS has the positive terminal on the right: compare it with your current battery.
- The YTR4A-BS needs 114 × 49 × 86 mm of space: measure it with the hold-down clamp in place.
Frequently asked questions about the Varta YTR4A-BS
Varta YTR4A-BS or YT4L-BS?
Compared with the YTR4A-BS, the Varta YT4L-BS has 0.70 Ah more and 10 A more cranking power. If your current battery says 40 A or more, choose the YT4L-BS; if it says 30 A or less, the YTR4A-BS is enough. Mind the space: the YT4L-BS measures 114 × 71 × 86 mm.
Is the Varta 502903003 the same battery as the Varta YTR4A-BS?
Yes. 502903003 is the ETN code Varta uses for its YTR4A-BS battery, so you can search for it by either code.
How much does the Varta YTR4A-BS weigh?
The YTR4A-BS weighs 0.99 kg. For reference, the Varta YT4L-BS (3 Ah) weighs 1.39 kg.
Which battery is equivalent to the Varta YTR4A-BS?
Only other AGM batteries with its dimensions and polarity: Exide ETR4A-BS. Neither an EFB nor a conventional battery replaces the YTR4A-BS.
Which side is the positive terminal on the Varta YTR4A-BS?
The YTR4A-BS has the positive terminal on the right, looking at the battery from its long side with the terminals closest to you.
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.
AGM technology in the YTR4A-BS
Inside, the YTR4A-BS has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.
Other options if you are unsure about the YTR4A-BS
- More motorcycle batteries
- Full Varta catalogue
- Exide ETR4A-BS · 2 Ah, 35 A, 115×50×85 mm
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