Motobatt Battery MB7BB 12v 9.5Ah (20Hr) CCA:150A YB7B, 12N7B-3A L:150mm x H:130mm x W:60mm

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.