Yuasa Battery YB4L-B 12v 4Ah 50cc scooter with acid

Voltage: 12V - Amperage: 4Ah. Supplied with acid. Standard DC Battery.

The manufacturer Yuasa is one of the best known in the world of Batteries, quality is assured.
The Battery comes unactivated.

The Yuasa Batteries are manufactured to exceed the expectations of drivers and vehicle manufacturers, the number 1 manufacturer of motorcycle Batteries. The positive electrode of Yuasa brand Batteries is made of lead dioxide, while the negative is made of porous lead.
The other way to send them is dry, that is, empty. They are sent together with the electrolytes stored in plastic containers to fill it at the moment it is ready for activation. Once the seal is removed, it must be installed immediately or it may oxidize.

The Yuasa brand Batteries are recommended for their high quality and durability.

Instructions for starting and charging Battery with acid:
You just have to remove the caps from the Battery tubes (top part), fill it with acid, wait two hours (without putting the caps on), then clean any acid that has come out with a paper or cloth, and put the caps back on.
And depending on the Battery, it is already ready to use.
You need to connect the positive red and negative black, and start the motorcycle; the same ride will charge the Battery. Some people prefer to charge it before use to ensure the Battery is at 100% of its charge.

Check that your motorcycle uses this Battery