Motobatt Battery MBTX20U 12v 22.3Ah (20Hr) CCA:320A YTX20LBS, YB16A L:175mm x H:155mm 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.