Motobatt Battery MB9U 12v 11.7Ah (20Hr) CCA:140A YB7A, YB9B, YB9LB L:136mm x H:133mm x W:76mm

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.