12VVolts
18AhAmp-hours at C20
250ACold cranking current (EN)
In short: Here is the Varta YTX20-BS in one line: motorcycles and quads, 18Ah 12V 250A. Before anything else, measure the space: the case comes to 177 × 88 × 156 mm.
Installation and maintenance tips
Adventure bikes loaded with heated grips and sat-nav ask more of the battery. Photograph the cable routing before removing the old battery, especially where leads run under the frame. Topping up a sealed battery is a mistake: the caps are fitted for good.
Technical figures at a glance
The AGM technology explained
Valve-regulated construction keeps an AGM case closed during normal life. Backup systems rely on AGM because it can wait, fully charged, for years without fuss. Replace an AGM battery whose case has bulged.
Batteries with the same format
If you prefer another make, these fit the same space with the same terminal side.
Exide AGM12-19.1Exide ETX20H-BSVarta 518909031
Questions buyers ask about the Varta YTX20-BS
Will both the size and terminals match?
It measures 177 × 88 × 156 mm with positive on the left-hand side. If your current battery has the same size and layout, it will slot in and the leads will reach.
Any tips for keeping a spare battery?
Yes, gradually. Lead batteries lose a little charge each month, lithium much less. A quick charge before use is a good idea.
Why choose the Varta YTX20-BS
If the code moulded into your old battery says Varta YTX20-BS, you have found its twin. Terminal position decides as much as size in a bike's battery box. At baterias.online, the code on the case leads straight to its replacement.
Most owners of motorcycles and quads will find 18Ah familiar.
Explore more
Everything you need to order the Varta YTX20-BS is on this page. Checking the data first saves the hassle of a wrong order.
Will the Varta YTX20-BS fit?
- ✓ This reference uses AGM. If your current battery has a different technology printed on it, find out why before switching.
- ✓ Outside dimensions are 177 × 88 × 156 mm. Run a tape measure over your tray or compartment, including the height under the bonnet or lid.
- ✓ Plus pole position: positive on the left-hand side. Mixing up orientation is the most common reason a battery of the right size will not connect.
