This YTX9-BS is a sealed lead-acid SLA absorbed glass mat AGM rechargeable battery.
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 12V 8AH Replacement Battery For Yuasa YTX9-BS - 2PK Premium quality absorbed glass mat technology AGM is ideal for ATVs, Motorcycles, Personal Watercraft, Jet Ski's, Snowmobiles and more.