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.YTX14AHL 12V 12AH Battery for Triumph 1000 Daytona With 12V 2Amp Charger Premium quality absorbed glass mat technology AGM is ideal for ATVs, Motorcycles, Personal Watercraft, Jet Ski's, Snowmobiles and more..