Motobatt Battery MB7U 12v 7.4Ah (20Hr) CCA:100A YT7BBS, YT7B4 L:151mm x H:94mm x W:65mm

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.