Motobatt Battery MBTZ7S 12v 6.9Ah (20Hr) CCA:100A YTX5L-BS, YTZ6S, YTZ7S L:114mm x H:107mm 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.