This YTX5L-BS is a sealed lead-acid SLA absorbed glass mat AGM rechargeable battery.
AGM and GEL batteries are lead-acid and of the same battery chemistry.12V 4Ah Replacement Battery Compatible with Yamaha YZF R,1 R1M 16-17 - 10PK Premium quality absorbed glass mat technology AGM is ideal for ATVs, Motorcycles, Personal Watercraft, Jet Ski's, Snowmobiles and more.. This battery comes already charged, sealed, maintenance free, and ready to install.