Motobatt Battery MBT12B4 12v 12.7Ah (20Hr) CCA:165A YT12BBS, YT12B4 L:150mm x H:130mm 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.