Motobatt Battery MBTX24U 12v 26.5Ah (20Hr) CCA:350A YTX18LBS L:205mm x H:162mm x W:87mm

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.