Motobatt Battery MBT9B4 12v 9.5Ah (20Hr) CCA:140A YT9BBS, YT9B4 L:150mm x H:105mm x W:70mm

Motobatt batteries are a sealed unit, so no need to mess with Electrolyte/Acid.
This battery comes with 2 years manufactures warranty. To make the warranty valid, you must register the warranty within 21 days of making the order.