Motobatt Battery MBTX30U 12v 36.0Ah (20Hr) CCA:440A YB30LB, 53030 L:166mm x H:175mm x W:126mm

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.