This battery comes already charged, sealed, maintenance free, and ready to install. AGM and GEL batteries are lead-acid and of the same battery chemistry.YTX9-BS SLA Battery Replaces Kawasaki Versys 1000, LT 2019 - 3PK Premium quality absorbed glass mat technology AGM is ideal for ATVs, Motorcycles, Personal Watercraft, Jet Ski's, Snowmobiles and more..